Comparison

AT vs Bloom

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

Head to head
About

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.

Highlights
  • Live ECG viewer
  • Live 3-Axis motion viewer
  • Bluetooth connectivity
  • Symptom logging
  • Device status check
Features
Read full description

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.

About

Bloom

Features
Read full description

나다운 변화의 시작, Bloom Bloom은 호르몬 대체 요법(HRT) 기록부터 신체 변화 추적, 성소수자 친화 의료기관 탐색까지 지원하는 앱입니다. [주요 기능] 1. 꼼꼼한 투약 일정 관리 및 알림 복용 중인 호르몬제를 등록하고 매일의 투약 일정을 체계적으로 관리하세요. 규칙적인 루틴을 유지할 수 있도록 잊지 않고 설정한 시간에 복약 알림을 보내드립니다. 2. 혈액검사 수치 그래프 추적 정기적인 혈액검사 결과를 기록해 보세요. 시간에 따른 호르몬 수치와 내 몸의 변화를 직관적인 선형 그래프로 한눈에 파악할 수 있습니다. 3. 호르몬 주기 변동 정보 호르몬 농도가 크게 변동하는 시기를 그래프 위에 함께 보여드립니다. 복약 패턴에 따른 몸의 흐름을 라이프스타일 관점에서 참고할 수 있습니다. 4. 성소수자 친화 병원 지도 안심하고 진료받을 수 있는 병원을 찾아보세요. 커뮤니티 유저들의 익명 제보를 바탕으로, 내 주변의 트랜스젠더 및 퀴어 친화 의료기관을 지도에서 간편하게 탐색할 수 있습니다. [주의사항] Bloom은 의료기기가 아니며, 진단·치료·예후 관찰을 목적으로 하지 않습니다. 표시되는 그래프와 정보는 일반적인 약동학 문헌에 기반한 라이프스타일 참고용입니다. 의학적 결정은 반드시 담당 의료진과 상의하시기 바랍니다.

Screenshots

AT4 screens
Bloom4 screens

Verdict

The call

The clearest difference is ads: AT at none against Bloom's shown. Bloom's advantage is update cadence (daily vs every 4 months). On price, in-app purchases, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

AT ships an update every 4 months, Bloom daily. The most recent releases landed on July 5, 2026 and September 10, 2026 respectively.

Scorecard2 real differences · 7 level
AT versus Bloom: the parameters behind the verdict, then further details
ParameterATBloom
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 monthsDaily — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size24 MB66 MB
Age rating4+4+
DeveloperATsens Co., Ltd.Seoyeon Bae

In-app purchases

None

AT

No in-app purchases

None

Bloom

No in-app purchases

Questions

Is AT free?
AT is free to download, with no in-app purchases.
Is Bloom free?
Bloom is free to download, with no in-app purchases.
Do AT or Bloom have ads?
Bloom shows ads; AT does not.
Which is updated more often, AT or Bloom?
AT ships an update every 4 months, and Bloom daily. Most recently, AT was updated on July 5, 2026 and Bloom on September 10, 2026.

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