Cortrium C3 vs S
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cortrium C3
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Basic application allowing you to connect to your Cortrium supported device and visualise the ECG data
S
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The S-Patch Medi is an app that manages the status of S-Patch devices and any ongoing ECG tests. Key feature of the S-Patch Medi App: - Manage ECG test for a particular S-Patch device - Send completed ECG recording for analysis Jurisdiction Statement: S-Patch currently has regulatory clearance in the following region(s): South Korea. The use of S-Patch is to be prescribed and interpreted only by the accredited physicians or healthcare providers from these regions, or any institutions that are conducting a clinical research with a formal IRB (Institutional Review Board) approval. The users shall confirm the product regulatory status with their provider.
Screenshots
Verdict
The clearest difference is update cadence: S at every 2 months against Cortrium C3's every 11 months. Cortrium C3's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cortrium C3 ships an update every 11 months, S every 2 months. The most recent releases landed on September 9, 2026 and September 18, 2026 respectively.
| Parameter | Cortrium C3 | S |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 24 MB | 34 MB |
| Age rating | 4+ | 12+ |
| Developer | Cortrium ApS | Wellysis Corp. |
In-app purchases
Cortrium C3
No in-app purchases
S
No in-app purchases
