Comparison

SmartWatch BT Sync vs Merge

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

Head to head
About

SmartWatch BT Sync

Connect your Bluetooth-enabled smartwatch to your smartphone to track, sync, and transfer all your health and activity data. Map your routes for activities like running and trekking.

Highlights
  • Connect smart watch to smartphone
  • Track, sync, and transfer data
  • Map activity routes
  • Supports smartbands and BT smartwatches
  • Bluetooth connectivity
Features
Read full description

Sync health data from your smartwatch. This app can work with types of Smartband, Smart Wearable Watch or BT Smartwatch. ***NOT SUPPORT APPLE WATCH *** Features: • Connect smart watch to smartphone. • Track, Sync & Tranfer all data • Start your activity (running, walking, trekking, workout...), show and share a map with a line showing the route map. Guide: • Turn on your Bluetooth service on all devices. (such as your iPhone & BT Smartwatch) • Open app and scan to see a list of watch devices that are near you. • Click on your device to open & view your smartwatch data. ENJOY! Please don’t forget to leave your positive comment and tell us what we missed in our app. Subscription Information: • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • The account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user’s Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Privacy Policy: https://an.viet.ltd-company-vn.com/privacy-policy Term Of Use: https://an.viet.ltd-company-vn.com/terms-of-use Get Support: https://an.viet.ltd-company-vn.com/contact-us

About

Merge

Connect your Wear OS Android watch to your iPhone for notifications, calls, music control, and health data syncing. Easily manage alerts, find your devices, and keep contacts updated with a user-friendly interface.

Highlights
  • iPhone notifications on watch
  • Make/receive calls from watch
  • Sync health data to Apple Health
  • Music playback control
  • Contacts sync
  • Find iPhone/Watch feature
Features
Read full description

Merge seamlessly connects your Android watch (Wear OS) to your iPhone. It empowers you with: • Notifications at Your Wrist: Receive all your iPhone notifications directly on your watch. Customize which apps send alerts with the new notification control feature. • Take Calls on the Go: Make and receive phone calls right from your watch, without reaching for your iPhone. • Health and Workout Sync: Track fitness goals by syncing health data and workouts from your Wear OS watch to Apple Health. • Playback Control: Control music on your iPhone from your wrist. • Contacts Sync: Keep your contacts updated across both devices for seamless communication. • Find My iPhone/Watch Feature: Locate your devices nearby with the new “Find My” ring feature. • Simple & User-Friendly Interface: Merge is quick to set up and easy to use, so you can start connecting right away. • Secure Connection: Your privacy is our priority. Merge establishes a secure Bluetooth connection and keeps your data on your devices. Join us on this exciting journey to bring the full Wear OS experience to your iPhone. Keep your favorite watch and phone connected with Merge, and stay tuned for new features! Features require an active subscription. Try it free for 14 days. Follow us on Twitter for updates: https://x.com/MergeWatch Privacy Policy: https://www.merge.watch/privacy_policy.html Terms of Use: https://www.merge.watch/terms_of_service.html

Screenshots

SmartWatch BT Sync3 screens
Merge4 screens

Verdict

The call

The clearest difference is rating: SmartWatch BT Sync at 3.7 against Merge's 3.3. SmartWatch BT Sync also leads on iOS requirement (14.1 vs 17.2). Merge's advantage is update cadence (fortnightly vs every 3 months). On price, review sentiment, ratings volume and ads 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. SmartWatch BT Sync sells 2 in-app purchases, starting at $1.99 per 7 days and Merge sells 4 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SmartWatch BT Sync holds the better App Store score, 3.7 against 3.3. Both are backed by a comparable volume of ratings — 288 and 363 respectively. Written reviews point the same way: 18% of SmartWatch BT Sync's written reviews are positive against 13% of Merge's.

UpkeepUpdate frequency

SmartWatch BT Sync ships an update every 3 months, Merge fortnightly. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 7 level
SmartWatch BT Sync versus Merge: the parameters behind the verdict, then further details
ParameterSmartWatch BT SyncMerge
PriceFreeFree
Rating3.7 (288 ratings) — better3.3 (363 ratings)
Positive reviews18.2% of reviews — better13.4% of reviews
Number of ratings288363 — better
Update frequencyEvery 3 monthsFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPod — betteriPhone
Requires iOS14.1 — better17.2
Further details — not scored
Size44 MB35 MB
Age rating4+4+
DeveloperAN VIET COMPANY LIMITEDMerge Labs Ltd

Customer experience

SmartWatch BT Sync

All ratings227 ratings
Positive67.8%
Neutral2.2%
Negative30.0%
Written reviews11 reviews
Positive18.2%
Neutral0.0%
Negative81.8%

Merge

All ratings350 ratings
Positive54.6%
Neutral9.7%
Negative35.7%
Written reviews597 reviews
Positive13.4%
Neutral8.0%
Negative78.6%

Bugs and requests

SmartWatch BT Sync

Not enough reviews yet to summarise bugs or requests.

Merge

Reported bugs

2 issues
  • Notifications not working properly
  • Compatibility issues with certain devices

Requested features

3 requests
  • Offer a one-time purchase option
  • Provide a free version with limited functionality
  • Improve stability and reliability of the connection

In-app purchases

2 purchases

SmartWatch BT Sync

Subscriptions2
  • Access all for weekly$1.997 Days
  • Access all for yearly$19.991 Year
4 purchases

Merge

Subscriptions4
  • Basic Monthly Plan14 Days trial$3.991 Month
  • Pro Monthly Plan14 Days trial$5.991 Month
  • Basic Annual Plan14 Days trial$35.991 Year
Show 1 more
  • Pro Annual Plan14 Days trial$59.991 Year

Questions

Is SmartWatch BT Sync free?
SmartWatch BT Sync is free to download, with in-app purchases available.
Is Merge free?
Merge is free to download, with in-app purchases available.
Which has better reviews, SmartWatch BT Sync or Merge?
SmartWatch BT Sync is rated higher. SmartWatch BT Sync averages 3.7 out of 5 from 288 ratings, while Merge averages 3.3 from 363 ratings.
Do SmartWatch BT Sync or Merge have ads?
Neither SmartWatch BT Sync nor Merge shows ads.
Which is updated more often, SmartWatch BT Sync or Merge?
SmartWatch BT Sync ships an update every 3 months, and Merge fortnightly. Most recently, SmartWatch BT Sync was updated on November 3, 2026 and Merge on November 8, 2026.

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