Data Manager for Fitbit vs SaunaFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Data Manager for Fitbit
This app syncs your Fitbit data to Apple Health and offers a unique way to visualize your health metrics. Track and analyze sleep, weight, steps, distance, and more with detailed statistics. It supports all Fitbit trackers and both iPad and iPhone.
- Sync Fitbit data to HealthKit
- Visualize health data
- Track sleep, weight, steps, distance
- Supports all Fitbit trackers
- Detailed statistics and analysis
- iPad and iPhone support
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Sync Fitbit data to Apple Health App, and visualize data in an innovative way! * Sync data to HealthKit * Works with ALL Fitbit trackers * Track and visualize your health related data like sleep, body fat percentage, weight, steps, distance, active time, calories, flights of stairs climbed. * Support iPad and iPhone * Get statistics like how many miles you've run this year, or how many hours you slept on an average day * Easily update your weight data ** REQUIRES A FITBIT TRACKER TO USE THIS APP ** HealthKit (aka Health App) Integration: Data Manager for Fitbit syncs your personal health data to Apple HealthKit, where your data is securely stored: - Sleep Analysis - Body Fat Percentage - Weight - Active Calories - Steps - Walking + Running Distance - Stairs Climbed More wonderful features are to come, and we're collecting feedbacks! Acknowledgements: Running designed by Anthony Lui from The Noun Project. List designed by Iruel Io from the Noun Project. Moon designed by P.J. Onori from The Noun Project. Star designed by Ema Dimitrova from the Noun Project.
SaunaFlow
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No need to watch the clock. Apple Watch automatically guides you through sauna>cold plunge>rest right on your wrist. Build routines on iPhone, run them on your Watch, and refine your flow with every session. ◆ Start instantly with built-in presets Choose from classic presets like 90-min standard, quick single round, or short cold plunge. Changes made on iPhone sync automatically to Apple Watch. ◆ Complete sessions from Apple Watch No need for your smartphone inside the sauna. Phase transitions are notified by haptic feedback, and you can check time remaining and the next phase on your wrist. Use the Digital Crown to skip or add 30 seconds to the current phase; pause has its own on-screen button. ◆ Build your personal routine from history History shows completion rate, best session, notes, and score trends. Re-run great sessions or save them as new presets. ◆ Designed for consistent use Favorite and recommended presets are easy to find on Watch. This isn't just a one-off timer — it's built for repeated use. ◆ Heart rate from Apple Watch Your Watch records heart rate through the whole session and charts the climb in the sauna and the drop during the cold plunge and rest. The deeper the recovery, the higher your Session Score. Each session is saved to Health as a workout. ◆ Streaks, badges and place logging A weekly streak, badges at 10, 50 and 100 sessions and a monthly summary show how consistently you go. Log the venue name, sauna, cold plunge and outdoor temperature, and whether there was löyly. Add days you didn't wear the Watch by hand. You can also start with Siri. ◆ Backup, editing and deleting Save every preset and session to a single file and restore it on your new phone. Edit any session's start time and rounds, or delete it, so one wrong entry doesn't skew your stats forever. ◆ Premium (one-time purchase) Try it free, buy once if you need more. No subscription. [Free] · Up to 5 presets · Your latest 10 sessions in History · Score, notes, streak and backup [Premium] · Unlimited presets · Unlimited history and comparison · Watch display/haptic customization · Re-run and save sessions from history ◆ Safety Notice Displayed times are guidelines. In high-heat environments, always prioritize your health and stop immediately if you feel unwell. ◆ Requirements · iPhone: iOS 17 or later · Apple Watch: watchOS 10 or later · All data stored on-device. No personal data collected or sent to external servers.
Screenshots
Verdict
The clearest difference is price: SaunaFlow at Free against Data Manager for Fitbit's $1.99. SaunaFlow also leads on update cadence (fortnightly vs every 5 weeks). Data Manager for Fitbit's advantage is iOS requirement (9.0 vs 17.0). On 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
SaunaFlow is free to download; Data Manager for Fitbit costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Data Manager for Fitbit ships an update every 5 weeks, SaunaFlow fortnightly. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.
| Parameter | Data Manager for Fitbit | SaunaFlow |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 4.4 (259 ratings) — better | — |
| Positive reviews | 45.3% of reviews | — |
| Number of ratings | 259 — better | — |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 9.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 13 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Sunny Studio | YANGLI CHEN |
Bugs and requests
Data Manager for Fitbit
Reported bugs
3 issues- Sync fails for certain data types
- Crashes on login or setup
- Inaccurate data transfer to Health app
Requested features
4 requests- Add support for heart rate data
- Improve sleep data syncing
- Include more detailed activity metrics
- Implement automatic background syncing
SaunaFlow
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Data Manager for Fitbit
No in-app purchases
SaunaFlow
No in-app purchases
Questions
Is Data Manager for Fitbit free?
Is SaunaFlow free?
Do Data Manager for Fitbit or SaunaFlow have ads?
Which is updated more often, Data Manager for Fitbit or SaunaFlow?
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