Comparison

Data Manager for Fitbit vs SaunaFlow

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

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

SaunaFlow

Features
Read full description

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

Data Manager for Fitbit4 screens
SaunaFlow4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Data Manager for Fitbit versus SaunaFlow: the parameters behind the verdict, then further details
ParameterData Manager for FitbitSaunaFlow
Price$1.99Free — better
Rating4.4 (259 ratings) — better—
Positive reviews45.3% of reviews—
Number of ratings259 — better—
Update frequencyEvery 5 weeksFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS9.0 — better17.0
Further details — not scored
Size13 MB9 MB
Age rating4+4+
DeveloperSunny StudioYANGLI 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

None

Data Manager for Fitbit

No in-app purchases

None

SaunaFlow

No in-app purchases

Questions

Is Data Manager for Fitbit free?
Data Manager for Fitbit costs $1.99, with no in-app purchases.
Is SaunaFlow free?
SaunaFlow is free to download, with no in-app purchases.
Do Data Manager for Fitbit or SaunaFlow have ads?
Neither Data Manager for Fitbit nor SaunaFlow shows ads.
Which is updated more often, Data Manager for Fitbit or SaunaFlow?
Data Manager for Fitbit ships an update every 5 weeks, and SaunaFlow fortnightly. Most recently, Data Manager for Fitbit was updated on October 17, 2026 and SaunaFlow on October 5, 2026.

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