Rhythm SYNC. vs TrainCredits
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rhythm SYNC.
This app connects to heart rate monitors to display real-time data, manage activity modes, and track workout history. It allows for software updates and integrates with HealthKit for saving workout data.
- Connects to Rhythm 24 and Rhythm+ monitors
- Manages activity modes and biometrics
- Displays heart rate and battery level
- Configures data sharing with other apps
- Collects and downloads recorded activities
- Performs software and firmware updates
- HealthKit integration
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The award-winning Rhythm Heart Rate Monitors use patented technology to capture exceptionally accurate performance in both wet and dry conditions. This Scosche Rhythm Sync app: · Connects to Rhythm 24 and Rhythm+ Heart Rate Monitors · Manages Rhythm 24 activity modes and biometrics functionality: Heart Rate Only, Running, Cycling, Swimming, Heart Rate Variability, Duathlon, and Triathlon · Displays heart rate data from your Rhythm Monitors · Displays Rhythm battery level · Configures sharing with compatible heart rate tracking apps, fitness watches, bike computers, and fitness equipment, to stream your fitness-data in real time, track heart rate history, and more! · Collects Rhythm 24 recorded activities and has download capabilities · Allows for Rhythm Heart Rate Monitors software and firmware updates · HealthKit integration which allows you save workout data recorded on the sensor.
TrainCredits
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TrainCredits helps gyms, studios, trainers, and members manage credits, check-ins, and access in one premium mobile experience. Members can quickly open their pass, show their QR code, view credits, and stay connected to their studio. Trainers and staff can move faster with streamlined check-in tools and role-aware access. With TrainCredits you can: view your member pass and QR code check your remaining credits top up credits when needed review recent activity access studio information support trainer and staff check-in workflows TrainCredits is built for modern fitness businesses that work with credits, sessions, and member access across one or more locations.
Screenshots
Verdict
The clearest difference is update cadence: TrainCredits at every 3 weeks against Rhythm SYNC.'s every 3 months. Rhythm SYNC.'s advantage is iOS requirement (12.0 vs 16.0). 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.
Rhythm SYNC. ships an update every 3 months, TrainCredits every 3 weeks. The most recent releases landed on October 2, 2026 and October 7, 2026 respectively.
| Parameter | Rhythm SYNC. | TrainCredits |
|---|---|---|
| Price | Free | Free |
| Rating | 1.8 (128 ratings) — better | — |
| Positive reviews | 13.1% of reviews | — |
| Number of ratings | 128 — better | — |
| Update frequency | Every 3 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 47 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Scosche | Winston With |
Bugs and requests
Rhythm SYNC.
Reported bugs
17 issues- App fails to detect device despite Bluetooth connection
- Bluetooth connection drops frequently during workouts
- App crashes on startup (splash screen freeze)
- Firmware update fails repeatedly
- HRV readings not displaying or accessible
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- Custom heart rate zones not applied to recordings
- Battery level shows as zero or incorrect
- Settings menu items non-functional or unresponsive
- App loses connection when device syncs with other apps
- Data disappears when monitor disconnects
- Export to CSV ignores custom zones
- App crashes when attempting to share workout data
- Last mode setting not remembered between sessions
- Unable to modify personal details (height, weight, birthday)
- Incompatibility with iPhone X and newer models
- Firmware update window won't open
- App incompatible with iOS 11 and newer versions
Requested features
12 requests- HRV (Heart Rate Variability) mode that actually works
- Comprehensive workout history and logging
- Data export to multiple health apps (MyFitnessPal, TrainingPeaks, etc.)
- Customizable heart rate zones that persist
- Batch download and export of multiple files
Show 7 moreShow fewer
- Auto-sync feature when device is detected
- Detailed analytics and charts
- Better user profile settings (height, weight, age)
- Dark mode option
- Improved troubleshooting and help documentation
- Ability to delete saved connections to health apps
- Support for multiple languages in documentation
TrainCredits
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Rhythm SYNC.
No in-app purchases
TrainCredits
No in-app purchases
Questions
Is Rhythm SYNC. free?
Is TrainCredits free?
Do Rhythm SYNC. or TrainCredits have ads?
Which is updated more often, Rhythm SYNC. or TrainCredits?
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