Comparison

Power Sync for Fitbit vs View Tracker SpO2 & Pulse rate

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

Head to head
About

Power Sync for Fitbit

Seamlessly sync your Fitbit data to Apple Health for free. Track heart rate, steps, distance, weight, sleep, and more. Supports all Fitbit devices and multiple accounts, with an optional auto-sync feature for convenience.

Highlights
  • Sync Fitbit data to Apple Health
  • Sync Heart Rate data
  • Automatic data synchronization
  • Support for all Fitbit device types
  • Multiple Fitbit account support
  • Dark Mode support
Features
Read full description

Fitbit + Apple Health + Free Sync = Happiness - Sync all your Fitbit data to Apple Health, for Free - Sync Heart Rate data - Auto Sync data for you - Support all Fitbit device types (including users who doesn't have a hardware and relies solely on Fitbit app) - Switch between multiple Fitbit accounts - Support Dark Mode in iOS 13 - **Note** Fitbit provides access to daily data only; we're working with Fitbit to support intraday syncing - **In App Purchase** is required for Auto Sync We believe that your Fitbit data belongs to you, and syncing your own data to Apple Health should be Free. So we created Power Sync. Data types supported: - Heart Rate - Steps - Walking + Running Distance - Flights Climbed - Weight - Body Fat Percentage - Body Mass Index - Sleep Analysis (in bed and asleep time) - Water - Dietary Calories Notes: - Fitbit provides access to daily data only; we're working with Fitbit to support intraday syncing - Since we don't have intraday data as of now, we're syncing all the data to 12:00 in a day • You can subscribe for Premium Auto Sync inside the app; subscriptions are billed monthly or annually at the rate selected depending on the subscription plan. • Alternatively a one-time payment plan is available (this is not a subscription). • Payment will be charged to your iTunes account at confirmation of purchase. • Subscriptions will automatically renew unless auto-renew is turned off at least 24 hours before the end of current period. • Your account will be charged according to your plan for renewal within 24 hours prior to the end of the current period. • You can manage or turn off auto-renew in your Apple ID account settings at any time after purchase: - Go to Settings > iTunes & App Store - Tap your Apple ID at the top of the screen - Tap View Apple ID. You might need to sign in or use Touch ID. - Tap Subscriptions. - Tap the subscription you want to manage. - Use the options to manage your subscription. • No cancellation of the current subscription is allowed during the active subscription period. Once purchased, refunds will not be provided for any unused portion of the term. We take the security of our customers very seriously. Read our Terms of Service at: https://terms.touchberry.net/ and our Privacy Policy at: https://privacy.touchberry.net/ Acknowledgement: - Vicons Design from the Noun Project

About

View Tracker SpO2 & Pulse rate

This app records SpO2 and pulse rate during sleep using a Bluetooth fingertip pulse oximeter. It generates reports for doctors to analyze sleep conditions and make diagnoses. The app does not provide medical advice.

Highlights
  • SpO2 and pulse rate recording
  • Bluetooth fingertip oximeter pairing
  • Sleep report generation
  • SpO2 and pulse trend analysis
  • Downloadable PDF reports
  • Unlimited report downloads via subscription
Features
Read full description

The ViewTracker App is a total solution to help you and the doctor analyze and improve sleep problem. User wear Leadtek’s bluetooth fingertip pulse oximeter, pairing with ViewTracker App. It will keep recording SpO2 and pulse rate while sleeping. After the testing has been completed, the sleeping report can be downloaded so the doctor can review the data and make a diagnosis and treatment recommendations. View Tracker does not provide medical advice, diagnosis or treatment. Always seek a doctor’s advice in addition to using this app and before making any medical decisions. Sleep oximetry report generated by Viewtracker APP, the report will present the analysis of sleeping condition with parameters including: Lowest / average SpO2 and pulse rate, ODI 3%, ODI 4% and CT 90% sleep SpO2 concentration. Through the report, your doctor can learn whether a patient has any sleeping condition via the SpO2 and pulse trend analysis data. We offer the 10 times $0.99 plan and monthly subscription plan with the below pricing $2.99/month or $6.99/6 months or $10.99/12 months for unlimited download Sleep SpO2 report. You may choose to share the raw data or report by any communication software or email to downloaded in PDF format. (Monthly subscription plan (1 month, 6 months, 12 months)will be charged to your iTunes Account once you confirm your purchase. Your iTunes account will be charged again when your subscription automatically renews at the end of your current subscription period unless auto-renew is turned off at least 24 hours prior to the end of the current period. You can manage or turn off auto-renew in your Apple ID Account Settings any time after purchase.)

Screenshots

Power Sync for Fitbit4 screens
View Tracker SpO2 & Pulse rate4 screens

Verdict

The call

The clearest difference is rating: Power Sync for Fitbit at 4.2 against View Tracker SpO2 & Pulse rate's 2.5. Power Sync for Fitbit also leads on ratings volume (16K vs 2) and review sentiment (20% vs 0%). View Tracker SpO2 & Pulse rate's advantage is iOS requirement (12.0 vs 15.0). On price, update cadence, ads and in-app purchases 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. Power Sync for Fitbit sells 4 in-app purchases, starting at $1.99 per month and View Tracker SpO2 & Pulse rate sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Power Sync for Fitbit holds the better App Store score, 4.2 against 2.5. That said, the two scores are not equally well evidenced: Power Sync for Fitbit has 16K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 20% of Power Sync for Fitbit's written reviews are positive against 0% of View Tracker SpO2 & Pulse rate's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
Power Sync for Fitbit versus View Tracker SpO2 & Pulse rate: the parameters behind the verdict, then further details
ParameterPower Sync for FitbitView Tracker SpO2 & Pulse rate
PriceFreeFree
Rating4.2 (16K ratings) — better2.5 (2 ratings)
Positive reviews20.3% of reviews — better0.0% of reviews
Number of ratings16K — better2
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size59 MB34 MB
Age rating4+4+
DeveloperTouchberryLeadtek

Customer experience

Power Sync for Fitbit

All ratings15,731 ratings
Positive78.8%
Neutral5.5%
Negative15.7%
Written reviews1,155 reviews
Positive20.3%
Neutral8.2%
Negative71.5%

View Tracker SpO2 & Pulse rate

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

Power Sync for Fitbit

Reported bugs

4 issues
  • Sync repeatedly fails
  • Adds duplicate data to Apple Health
  • Incorrectly syncs resting heart rate data
  • Syncs outdated/incorrect weight data

Requested features

3 requests
  • Add support for more Fitbit data types (heart rate, workouts, sleep stages)
  • Allow customization of sync frequency and timing
  • Improve auto-sync reliability and functionality

View Tracker SpO2 & Pulse rate

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Power Sync for Fitbit

Subscriptions2
  • Auto Sync for A Month$1.991 Month
  • Auto Sync for A Year$7.991 Year
One-time2
  • Auto Sync to Health App$1.99
  • Auto Sync for Entire Life$14.99
3 purchases

View Tracker SpO2 & Pulse rate

Subscriptions3
  • 1Month unlimited report$2.991 Month
  • 6Months unlimited report$6.996 Months
  • 1Year unlimited report$10.991 Year

Questions

Is Power Sync for Fitbit free?
Power Sync for Fitbit is free to download, with in-app purchases available.
Is View Tracker SpO2 & Pulse rate free?
View Tracker SpO2 & Pulse rate is free to download, with in-app purchases available.
Which has better reviews, Power Sync for Fitbit or View Tracker SpO2 & Pulse rate?
Power Sync for Fitbit is rated higher. Power Sync for Fitbit averages 4.2 out of 5 from 16K ratings, while View Tracker SpO2 & Pulse rate averages 2.5 from 2 ratings.
Do Power Sync for Fitbit or View Tracker SpO2 & Pulse rate have ads?
Neither Power Sync for Fitbit nor View Tracker SpO2 & Pulse rate shows ads.
Which is updated more often, Power Sync for Fitbit or View Tracker SpO2 & Pulse rate?
Power Sync for Fitbit ships an update every 2 months, and View Tracker SpO2 & Pulse rate every 2 months. Most recently, Power Sync for Fitbit was updated on November 6, 2026 and View Tracker SpO2 & Pulse rate on November 3, 2026.

Other comparisons