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Cortrium Apex

Cortrium Apex is the cloud software behind Cortrium's long-term ECG chain: it configures the C3w and C3+ Holter monitors, uploads and stores the recordings, and lets healthcare professionals order and review specialist-verified Holter analysis reports.

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Overview

What is Cortrium Apex?

Cortrium Apex is the software layer of the long-term ECG offering published by Cortrium ApS, a Danish manufacturer based in Taastrup. Its intended use, as stated in the Apex Instructions for Use (version 1.31), is the setup, configuration, transfer and storage of ECG data coming from supported Cortrium recorders. The intended users are healthcare professionals working in private practices, clinics, hospitals and remote care settings. Apex is one part of three. The C3w monitor, a three-lead cable-free recorder rated IP67, weighing 36 g and running up to 14 days on a charge, captures the trace; Apex configures the device, receives the recording and stores it; the Cortrium Analysis System (CAS) then produces a Holter report that is verified by at least one cardiology specialist before delivery, announced within two working days. The software also lets clinicians view the complete recording, edit and annotate the summary, and export data to third-party analysis software. It is distributed as a desktop application for Windows and macOS, including Intel and Apple Silicon builds, alongside a web client and a separate administration interface. The published system requirements are Windows 10 or macOS 11 Big Sur, a 1280x960 display, 4 GB of RAM, 5 GB of free disk space and a working Internet connection: Apex does not run offline. The platform is deployed on Microsoft Azure. Recordings are stored in Germany by default, with France, the United Kingdom and Australia available at the customer's choice. Optional, country-specific integrations include GDT, encapsulated DICOM, Danish CPR lookup, patient referral, an approval workflow, Nereida, and Active Directory single sign-on. Regulatory status is explicit: Apex is a CE-marked medical device under MDR (EU) 2017/745, with notified body CE 0123 (TÜV SÜD) and an ISO 13485:2016 quality system. The publisher's own showcase figures claim more than 800,000 ECG reports delivered, 8M hours of ECG analysed and 2,300+ healthcare professionals served; these are vendor claims, not independently verified. Apex is not a standalone reader: it is tied to Cortrium hardware and to the Cortrium analysis service, and no public price is published for any part of the chain.

What it does

  • Set up and configure a patient on a C3w or C3+ monitor
  • Upload long-term ECG recordings and store them in the cloud
  • Order Holter analysis reports from the Cortrium Analysis System (CAS)
  • Review the finished report and the complete trace in the Recording Viewer
  • Annotate the summary, add treatment recommendations and customise the report
  • Export the recording as EDF, the report as PDF, or as encapsulated DICOM
  • Manage user accounts and access rights, including a restricted Uploader Only role
Audience

When to use Cortrium Apex / When not to

A quick filter to help you decide if Cortrium Apex is the right fit.

When to use Cortrium Apex

  • Cardiology and general practice clinics that fit Holter monitors as part of their routine workload
  • Healthcare organisations that prefer to outsource ECG interpretation to verifying specialists rather than read every trace in-house
  • Distributed care teams that need cloud access to recordings and finished reports from several locations
  • EU-regulated environments that require a CE-marked device under MDR, an ISO 13485:2016 quality system and a published DPA
  • Sites that must be able to choose where recordings are stored, among Germany, France, the United Kingdom or Australia

When not to use Cortrium Apex

  • Consumers or patients wanting to self-monitor: Apex is reserved for healthcare professionals
  • Use on patients in immediate danger or in life-threatening conditions, which the Apex IFU states as an explicit contraindication
  • Teams determined to keep the whole interpretation in-house, without using the Cortrium analysis service
  • Buyers who need a published price before engaging: no rate card exists and every quote goes through the sales form
  • Linux workstations or offline environments: only Windows and macOS installers are published, and Apex requires an Internet connection
Get started

How to use Cortrium Apex

A typical end-to-end flow, from setup to results.

  1. Cortrium creates the account once the monitor is commissioned; a confirmation email carries the download link
  2. Download the installer from the Downloads page: .exe for Windows, .dmg for macOS on Intel or Apple Silicon
  3. Install the application, with administrator privileges if your workstation requires them
  4. Have your IT provider whitelist the cortrium.com domains on port 443 before first use
  5. Sign in through Auth0; the session can be kept on the local computer, and organisations can use Active Directory single sign-on
  6. Create the patient by manual entry, from a GDT file, or through Danish CPR lookup where it is enabled
  7. Configure the C3w or C3+ monitor and fit it on the patient with the electrodes
  8. After the recording, upload the data through Apex and order the Holter report
  9. Open the verified report in the browser, annotate the summary and add treatment recommendations
  10. Export the recording as EDF or the report as PDF, or use encapsulated DICOM where a third-party system requires it
Quick read

Pros & Cons

Pros

  • Explicit and documented regulatory status: CE 0123 under MDR, ISO 13485:2016, and a downloadable TÜV SÜD certificate
  • A full public DPA that names its sub-processors, Auth0, Hetzner Online GmbH, Microsoft Ireland Operations Limited and CPR-administrationen, with company numbers and locations
  • The customer chooses the hosting region for recordings, among Germany, France, the United Kingdom and Australia
  • Human verification: every report is validated by at least one cardiology specialist, with delivery announced within two working days
  • The IFU is published in 21 languages, with technical documentation and short manuals in open access
  • Interoperability through EDF, DICOM and GDT, plus export to third-party analysis software
  • Up to 14 days of recording on a single charge, with a cable-free IP67-rated monitor upstream of the software

Cons

  • No public price: no rate card, no range and no pricing page; every enquiry goes through a contact form
  • No free trial and no free plan are announced anywhere on the site
  • The software is inseparable from Cortrium hardware, so there is no standalone use
  • Windows and macOS installers only, with no Linux build
  • An Internet connection is mandatory; Apex does not work offline
  • Report options (HRV, AV block assessment, Fast Track) are billed as extras, and technical service becomes chargeable after the two-year warranty
  • No documented way to exclude anonymised recordings and reports from research and development use
Pricing

Pricing & Plans

No price is published. Cortrium does not operate a pricing page: the footer's Contact for pricing link leads to the contact form, and the applicable rates live in Appendix 1 (Fees) of the Customer Agreement, which is not public. No free plan and no free trial are announced. The commercial structure is nevertheless described in the terms and conditions: a subscription to analysis reports, with the monitor itself possibly included in that subscription. One-off amounts, such as the purchase of a device, are invoiced on conclusion of the contract with 21-day payment terms, while subscriptions are invoiced no later than the 9th of each month. Report options, namely HRV analysis, AV block assessment and Fast Track, are charged in addition. The warranty runs for two years, after which technical service can be extended for up to three further years at a cost. The FAQ states that minor software updates and personal customer service are included, with no service fee. No starting price, currency or billing unit can therefore be stated for this tool.

Prices and plans listed above may evolve. Always check the official pricing page before subscribing.
Trust & Privacy

Data, GDPR & hosting

A consolidated view of how Cortrium Apex handles your data.

GDPR overview

GDPR implementation is documented in concrete terms. The privacy policy is version 12, last updated 13.02.2026 09:05, and a data processing agreement built on the Article 28 standard clauses is published in English, German and French on the legal hub. The legal bases cited are Article 6(1)(a) consent, 6(1)(b) contract, 6(1)(c) legal obligation and 6(1)(f) legitimate interest. Data subject rights are listed in full: access, rectification, erasure, restriction, objection, the right not to be subject to automated decision-making, portability, withdrawal of consent and complaint to the supervisory authority. Sub-processors are named in Annex B, with 30 days' notice and a right to object for any change. The compliance contact is compliance@cortrium.com, and cookies run through Cookiebot. As a company based in the EU, Cortrium ApS falls outside the scope of Article 27, so no EU representative is designated.

Who owns the data?

Under the published DPA, the customer is the data controller for patient data and Cortrium ApS acts as its data processor; for website and prospect data, Cortrium is itself the controller. The customer can download the EDF recordings and the PDF analysis reports. Intellectual property in the software and in the analyses stays with Cortrium or its licensors, and the terms state that the Device(s) at all times remain the exclusive property of Cortrium. Cortrium further reserves the right to the anonymised ECG recordings, namely age, birth year, gender and accelerometer data, together with the analysis reports, for research and development purposes.

Reuse rights

The material documents what is processed rather than granting a broad reuse licence. Apex handles patient identity (title, first and last name, date of birth, gender, pacemaker information), the ECG recording and the resulting Holter report, plus customer user data (email, login, password, name, IP address, device, address and telephone). The stated purposes are patient setup, ECG transfer and storage, and the ordering and return of the analysis report. Customers can export their own material, EDF for the recording and PDF for the report, with encapsulated DICOM as an option, and no further authorisation step for that export is described. In the other direction, Cortrium keeps anonymised ECG recordings and analysis reports for research and development until its management decides to erase them, while the EULA restricts what licensees may do with the software itself. Azure Application Insights telemetry is declared in the IFU, and the privacy policy states that personal data is not transferred outside the EU/EEA unless it is necessary on the data subject's specific request.

Data retention & training

Retention summary
Patient and user data is processed for as long as the customer relationship lasts. After it ends, identifying data is kept for three years, which Cortrium attributes to the Danish Bookkeeping Act and Limitation Act. EDF files are removed 30 days after creation. Anonymised ECG recordings, namely age, birth year, gender and accelerometer data, and the analysis reports are kept for research and development until Cortrium's management decides to erase them, with no fixed end date. At the end of the contract Cortrium deletes the data and certifies the deletion to the controller, except where a legal retention obligation applies; deletion within the standard procedure is free, while a specific request may incur a fee. On the website, the CookieConsent cookie lasts up to one year, statistics cookies up to one year, and marketing cookies for the session.
Trains on customer data
Unclear
Subprocessors disclosed
Yes
DPA available
Yes

Hosting summary

Cortrium ApS states in the Apex IFU that the software is deployed on Microsoft Azure. Recordings are stored in Germany West Central by default, and the customer can instead select UK South, France Central or Australia East; the DPA phrases this as Germany Central West data centres or as decided by customer for recordings. The named sub-processors sit in Europe: Auth0 runs primary in Frankfurt (Germany) with Dublin (Ireland) as secondary; Hetzner Online GmbH holds non-identifying raw ECG data in Falkenstein (Germany) and Helsinki (Finland); Microsoft Ireland Operations Limited hosts Cortrium's systems; and CPR-administrationen, in Copenhagen (Denmark), is involved only where Danish CPR lookup is enabled. One tension is worth raising with the vendor: the privacy policy announces that personal data is not transferred outside the EU/EEA unless necessary on a specific request, while the storage regions offered to customers include the United Kingdom and Australia, both outside the EEA. Nothing in the published material resolves that point, so a customer choosing a non-EEA region should confirm the applicable transfer safeguards.

Hosting countries
🇩🇩 Germany🇮🇪 Ireland🇫🇮 Finland🇩🇰 Denmark🇫🇷 France🇬🇧 United Kingdom🇦🇺 Australia
Hosting regions
EUUKAPAC
Watch-outs

Things to keep in mind

Risks and trade-offs to weigh before adopting Cortrium Apex.

  • No public price at all: budgeting is impossible without a sales conversation, and Cortrium can change its rates with three months' notice
  • Clinical caution: the IFU sets an explicit contraindication for patients in immediate danger or in life-threatening conditions, and reports are a specialist-verified input to the clinician's decision, never a substitute for it
  • The monitor remains the exclusive property of Cortrium and must be returned within 14 days of termination, failing which it can be invoiced
  • Cortrium reserves the anonymised ECG recordings and the analysis reports for research and development, with no defined duration and no documented way to opt out
  • EDF files are deleted 30 days after creation, so anything you need to keep must be downloaded within that window
  • Identifying data is kept for three years after the end of the relationship under Danish accounting law, and a deletion request made outside the standard procedure may be charged
  • Integrations are country-specific and are not enabled for every customer, so a capability described on the website may not be available at your site
Setup

Setup & Integrations

Technical difficulty

Moderate, and more an IT matter than a clinical one. Cortrium creates the accounts, so there is no self sign-up, and the software is a desktop binary that may require administrator privileges. The usual obstacle is the network: the IFU lists 11 domains to whitelist on port 443, and Cortrium publishes dedicated network configuration and URL whitelisting documents for that, while advising you to involve your IT provider in case of doubt. Customer Care also offers training sessions. Note that the Downloads page still shows an unfilled template line for system requirements: rely on section 12 of the IFU.

Deployment

Desktop appWeb app

Integrations

GDT DICOM Nereida Active Directory Auth0

Supported languages

EnglishGermanFrench
Company

Behind Cortrium Apex

Company name
Cortrium ApS
Founded
INFORMATION_NOT_FOUND
Country of origin
🇩🇰 Denmark
Headquarters
Erik Husfeldts Vej 7, 2630 Taastrup, Denmark
EU office
Leipziger Platz 15, 10117 Berlin, Deutschland
UBO
INFORMATION_NOT_FOUND
UBO country
INFORMATION_NOT_FOUND
Domain registrar country
🇱🇺 Luxembourg
Legal contact
Support contact

Social

Official links

Resources

All the official URLs gathered for verification and reference.

FAQ

Frequently asked questions

Does Cortrium Apex work without a Cortrium monitor?
No. Apex drives the C3w and C3+ recorders, uploads their recordings and is used to order the analysis reports. It is not a standalone ECG reader and has no use outside the Cortrium chain.
Which operating systems and hardware does Apex require?
Windows 10 or macOS 11 Big Sur as a minimum, with 4 GB of RAM, 5 GB of free disk space, a 1280x960 display and a working Internet connection. Installers are published for Windows, macOS Intel and macOS Apple Silicon.
How long can the C3w monitor record before the data is uploaded?
Up to 14 days on a full charge. Apex then transfers that recording to the cloud and stores it.
Who verifies the analysis reports?
Cortrium's in-house team of cardiology specialists. At least one specialist verifies each report, and delivery is announced within two working days.
Where is the data hosted?
On Microsoft Azure. Recordings are stored in Germany by default, or in France, the United Kingdom or Australia at the customer's choice.
Which sub-processors are named?
Annex B of the DPA names Auth0, Hetzner Online GmbH, Microsoft Ireland Operations Limited and CPR-administrationen, the last one only where Danish CPR lookup is enabled.
What is the regulatory status of Apex?
It is a CE-marked medical device under MDR (EU) 2017/745, with notified body 0123 (TÜV SÜD) and an ISO 13485:2016 certified quality system. The IFU sets an explicit contraindication for patients in immediate danger or in life-threatening conditions.
How much does Cortrium Apex cost?
No price is published. Pricing goes through the contact form, and the terms describe a subscription to analysis reports whose fees are set in an appendix to the Customer Agreement that is not public.
Can the data be exported?
Yes. The recording can be exported as EDF and the report as PDF, with encapsulated DICOM available as an option for third-party systems.
Is there a public API?
No API documentation is published. The api.apex.cortrium.com host mentioned in the IFU is an internal endpoint to whitelist on the firewall, not a product API.
Conclusion

Should you pick Cortrium Apex?

Cortrium Apex should be judged as one component of an integrated offering rather than as a standalone product: the C3w or C3+ recorder captures the trace, Apex configures the device and carries the recording to the cloud, and the Cortrium Analysis System returns a Holter report verified by at least one cardiology specialist. That packaging is its main strength and its main limitation at once. On the strong side, the regulatory and contractual framework is unusually well documented: CE marking under MDR with notified body 0123, ISO 13485:2016, a downloadable TÜV SÜD certificate, an IFU published in 21 languages, a full DPA naming Auth0, Hetzner Online GmbH, Microsoft Ireland Operations Limited and CPR-administrationen, and a customer-selectable storage region among Germany, France, the United Kingdom and Australia. Human verification of every report is a meaningful safeguard, and export in EDF, PDF and encapsulated DICOM keeps the data usable elsewhere. The main reservation is commercial opacity combined with hardware dependency. No rate card, range or pricing page exists anywhere on the site; the fees live in an appendix to the Customer Agreement that is not published, so no budget can be built without a sales conversation. Apex also has no use without Cortrium devices, which remain the vendor's property throughout the contract. A secondary reservation concerns research use: Cortrium reserves the anonymised ECG recordings and the analysis reports for research and development for an undefined period, with no documented opt-out. Buyers comfortable with an integrated, regulated, vendor-managed chain, and willing to negotiate rather than compare list prices, will find Apex coherent. Those wanting a hardware-agnostic reader, offline operation, a Linux build or transparent pricing should look elsewhere.