Comparison

S vs ECG Journal

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

S

Features
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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.

About

ECG Journal

Features
Read full description

ECG Journal helps you keep an ECG library organized with the context that matters. Review your ECG history in a clean timeline, add notes, organize records with tags, and filter by symptoms or keywords. When available, ECG Journal can also use HealthKit data to show nearby blood pressure readings alongside your ECG entries. Features: - Browse ECG records in a simple journal view - Add notes to individual ECG entries - Organize entries with custom tags - Filter by tags, symptoms, and note text - View ECG details with rhythm, heart rate, and waveform - Link nearby blood pressure readings from HealthKit and easily view their average - HealthKit sync ECG Journal is designed for personal record keeping and easier review of your ECG history. It is not intended to diagnose, treat, or replace professional medical advice.

Screenshots

S3 screens
ECG Journal4 screens

Verdict

The call

The clearest difference is update cadence: ECG Journal at daily against S's every 2 months. S's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

S ships an update every 2 months, ECG Journal daily. The most recent releases landed on October 6, 2026 and September 28, 2026 respectively.

Scorecard2 real differences ยท 4 level
S versus ECG Journal: the parameters behind the verdict, then further details
ParameterSECG Journal
PriceFreeFree
Update frequencyEvery 2 monthsDaily โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better17.0
Further details โ€” not scored
Size34 MB4 MB
Age rating12+17+
DeveloperWellysis Corp.Merge Labs Ltd

In-app purchases

None

S

No in-app purchases

None

ECG Journal

No in-app purchases

Questions

Is S free?
S is free to download, with no in-app purchases.
Is ECG Journal free?
ECG Journal is free to download, with no in-app purchases.
Do S or ECG Journal have ads?
Neither S nor ECG Journal shows ads.
Which is updated more often, S or ECG Journal?
S ships an update every 2 months, and ECG Journal daily. Most recently, S was updated on October 6, 2026 and ECG Journal on September 28, 2026.

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