AT vs Kaily
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AT
Monitor real-time ECG and motion data from a wearable device. Easily log symptoms and feelings directly within the app, eliminating the need for traditional paper notes. Compatible with specific smartphones and tablets for convenient health tracking.
- Live ECG viewer
- Live 3-Axis motion viewer
- Bluetooth connectivity
- Symptom logging
- Device status check
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1. Real-time live ECG and motion viewer via Bluetooth ATsens has developed AT-Note app that has a powerful feature of Live ECG viewer and live 3-Axis sensor(motion) viewer for displaying real-time data from AT-Patch. For a long period of use, you can check the status of your device directly. If you have a compatible smartphone or tablet, you can use it simply. 2. Easy to note your symptom Many traditional methods are paper-based symptom note. But AT-Note’s symptom note feature helps patients to write their symptoms easily on app. You did not need to carry another notes and pens. If you feel an unusual heartbeat, push the power-button shortly on AT-Patch and easily fill your feeling in the pop-up form on AT-Note.
Kaily
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Daily Health Manager, Kaily, helps you take care of your heart. You can check your ECG result and record it regularly every day. Main features 1. Measure electrocardiogram (ECG) and view result sheet 2. Sharing results with the hospital where the device was prescribed *Medical staff can view the patient’s measurement results using ‘Kaily for Doctor’. *Users should consult a physician before making any medical decisions based on the use of home medical hardware. *The 'measurement' function can be used in conjunction with the US FDA-approved Kardia Mobile medical device, which can be safely used in the US and Korea. For inquiries, please contact the customer service center below. - Phone: 1660-1057 - Email: contact@kaily.kr
Screenshots
Verdict
The clearest difference is update cadence: Kaily at monthly against AT's every 4 months. 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.
AT ships an update every 4 months, Kaily monthly. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.
| Parameter | AT | Kaily |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 24 MB | 118 MB |
| Age rating | 4+ | 12+ |
| Developer | ATsens Co., Ltd. | Synex Consulting Ltd. |
In-app purchases
AT
No in-app purchases
Kaily
No in-app purchases





