SnapECG vs Odmaster
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SnapECG
This app transforms smartphone or tablet connections into an ECG recorder. It simplifies complex cardiac data into an easy-to-understand health report, empowering users to monitor their heart health.
- Connects to smartphone/tablet for ECG data
- Generates easy-to-read health reports
- Focuses on cardiac arrhythmia
- Simplifies ECG data interpretation
- Enables understanding of heart health
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SnapECG recorder needs only to connect a smartphone or tablet to gather ECG data at any time, turning complicated ECG data into a health report that is easy to read.It enables everyone to easily understand their heart.
Odmaster
This application allows users to program various radio models directly from their mobile phones, eliminating the need for a computer. It offers a convenient and portable solution for radio programming and includes a community feature for sharing content and interacting with other users.
- Program radio with mobile phone
- Supports multiple radio models
- Convenient and portable programming
- Community sharing and interaction
- Help Center and direct support
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• Use Odmaster to program your radio faster and easier. Multiple radio models are set in the application. At the same time, you can share interesting content on the community page. Bring you a different experience! • • Program radio • (Tips：this function requires a Bluetooth programmer device) • • Program radio with mobile phone instead of computer easily • • Program radio conveniently, anytime and anywhere • • Program multiple models of radios • • Remote programming radio when you don’t know how to program • • Social function • • Can post something interesting on it • • Give someone a like • • Make comments on others posts • • Help&Support • • If you have any problems during using App, you can find the answers in Help Center, or contact us. • • ► Get some programming information in our YouTube website: • https://www.youtube.com/channel/UCW5VMOpgmTdUQq5ZqyIL2hA/videos • ► Contact detail: E-mail: odmaster@tid-china.com • ► Online manual:https://bit.ly/tidmanual
Screenshots
Verdict
The clearest difference is rating: Odmaster at 3.8 against SnapECG's 1.9. Odmaster also leads on review sentiment (29% vs 10%) and ratings volume (1.1K vs 40). SnapECG's advantage is iOS requirement (9.0 vs 14.0). On price, ads, in-app purchases and monetization model 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.
Odmaster holds the better App Store score, 3.8 against 1.9. That said, the two scores are not equally well evidenced: Odmaster has 1.1K ratings behind it against 40, so its average is the more settled of the two. Written reviews point the same way: 10% of SnapECG's written reviews are positive against 29% of Odmaster's.
SnapECG ships an update every 6 weeks, Odmaster every 3 weeks. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.
| Parameter | SnapECG | Odmaster |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (40 ratings) | 3.8 (1.1K ratings) — better |
| Positive reviews | 9.8% of reviews | 28.5% of reviews — better |
| Number of ratings | 40 | 1.1K — better |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 41 MB | 96 MB |
| Age rating | 4+ | 17+ |
| Developer | 南京先声医学诊断有限公司 | Guangzhou Billion Leiden Electronic Technology Co., Ltd. |
Customer experience
SnapECG
Odmaster
User reviews
SnapECG
From 40 App Store ratingsWhat we love
- 👍 Works well for some users
- 👍 High quality ECG recording
- 👍 Effortless connection to smartphone
- 👍 Easy to send recordings to physician
- 👍 Fast high quality rhythm tracing
Room to improve
- 🐛 Frequent network errors
- 🐛 Cannot create account/login
- 🐛 App crashes frequently
- 🐛 Device becomes useless without app
- 🐛 Poor app interface
Odmaster
From 1.1K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Convenient mobile programming
- 💡 Helpful community features
Room to improve
- 🐛 Frequent crashes and bugs
- 🔒 Poor account registration process
- 🔋 High battery drain
- 👎 Unreliable Bluetooth connectivity
Bugs and requests
SnapECG
Reported bugs
29 issues- Network error
- Cannot create account
- Cannot login
- App crashes
- Password not valid
Show 24 moreShow fewer
- Verification code not received
- Bluetooth connection issues
- Site not secure when scanning QR code
- Page is invalid when reaching customer support
- Cannot connect to iPhone
- Cannot set up for login
- App requires login info but cannot connect to server
- App hangs constantly
- Software does not tell if paired
- Cannot save remarks
- Cannot access EKG help center
- App closes unexpectedly
- Writing in green
- Website no longer available
- Terms and conditions do not display
- Password rejected
- App will not recognize setup
- App forces registration and login
- Password visible when typing
- Latest update disabled unit
- Dodgy site link after update
- App support link no longer there
- Stopped working after a few readings
- Device requires an account to use
Requested features
9 requests- Improve app interface
- Show connection status
- Default to last selected monitor type
- More detail on results
- Store personal information for reports
Show 4 moreShow fewer
- Improve security
- Show terms and conditions before accepting
- Hide password with asterisks
- Improve measurement units (metric/imperial)
Odmaster
Reported bugs
3 issues- Unable to read or write radio data
- Inconsistent behavior across iOS versions
- Login and account issues
Requested features
3 requests- Support for more radio models
- Ability to save and load custom channel configurations
- Improved user interface and navigation
In-app purchases
SnapECG
No in-app purchases
Odmaster
No in-app purchases
