Comparison

LiftSync vs Gym Rest Timer

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

Head to head
About

LiftSync

Features
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LiftSync turns your Apple Watch into a complete strength training companion. Follow your training plan set by set, log weight and reps, and get haptic cues when your rest is over — all without touching your phone. CORE FEATURES • Training plans on your wrist — exercises, sets, target reps, suggested weight, and rest times sync automatically from liftsync.fit. • Real-time set tracking. Log your weight and reps after each set with the Digital Crown. Weight and rep values carry forward to the next set of the same exercise. • Smart rest timer. Circular countdown with configurable duration per exercise. Haptic tap when it's time to lift. Shows the next exercise so you can prepare. Skip anytime. • Automatic PR detection. Every set is compared to your history. Beat your previous volume? Instant haptic celebration on your wrist. • Full HealthKit integration. Each workout is a real Apple Health session with heart rate tracking. Workouts count toward your Activity Rings and Training Load. • Offline-first design. Log your entire workout without phone or signal. Sessions queue and sync automatically when connection returns. • Workout summary. After each session see your total sets, reps, volume (kg), and duration at a glance. HOW IT WORKS 1. Create your training plan on liftsync.fit 2. Pair your Apple Watch with a 6-digit code 3. Select a plan and start your workout 4. Follow exercises set by set with rest timers 5. Workout syncs back to liftsync.fit automatically PAIRING & SYNC Pair your watch with a free liftsync.fit account using a 6-digit code generated in Settings → Watch Pairing. Plans sync to the watch. Completed workouts sync back to the web for progression analytics and history. PRIVACY No ads, no third-party trackers. Health and fitness data are collected only to power the workout session and (optionally) sync to your liftsync.fit account. DEVICE REQUIREMENTS • Apple Watch Series 6 or later (Ultra recommended for best experience) • watchOS 11 or later • iPhone running iOS 18 or later (for initial App Store installation only)

About

Gym Rest Timer

Features
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Tap a chip — 60s, 90s, 2 min — the rest counts itself down. Big ring, big numbers, glanceable across the gym. • Three preset chips: 60s, 90s, 2 min free • Custom presets in Pro • Auto-start after set (Pro) • Vibrate-only mode for gym etiquette (Pro) • Always-on big readable digits Who it's for For lifters who keep losing track of rest between sets and want a one-thumb timer they can actually see. Subscription Premium is available as a weekly, monthly, or yearly subscription, with pricing shown in the app before you buy. Subscriptions auto-renew unless you cancel at least 24 hours before the end of the period. You can cancel anytime in your Apple ID Subscription Settings — no charge on the first day if you cancel during the introductory window. Payment is charged to your Apple ID. Any unused portion of a free trial is forfeited when you purchase a subscription. Privacy: everything stays on your device by default. No analytics SDKs, no cross-app tracking. Privacy policy at https://bestpaid.app/legal/privacy. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LiftSync4 screens
Gym Rest Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: LiftSync at none against Gym Rest Timer's 4. LiftSync also leads on ads (none vs shown) and device support (3 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Gym Rest Timer sells 4 in-app purchases, starting at $2.99 per 7 days. LiftSync asks for nothing beyond the download.

UpkeepUpdate frequency

LiftSync ships an update every 3 weeks, Gym Rest Timer monthly. The most recent releases landed on September 26, 2026 and September 18, 2026 respectively.

Scorecard3 real differences Ā· 3 level
LiftSync versus Gym Rest Timer: the parameters behind the verdict, then further details
ParameterLiftSyncGym Rest Timer
PriceFreeFree
Update frequencyEvery 3 weeks — betterMonthly
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size15 MB44 MB
Age rating4++4
DeveloperPhilipp WinklerVasilii Polovnikov

In-app purchases

None

LiftSync

No in-app purchases

4 purchases

Gym Rest Timer

Subscriptions3
  • Premium Ā· 1 week$2.997 Days
  • Premium Ā· 1 month$3.991 Month
  • Premium Ā· 1 year$5.991 Year
One-time1
  • Premium Ā· Lifetime$7.99

Questions

Is LiftSync free?
LiftSync is free to download, with no in-app purchases.
Is Gym Rest Timer free?
Gym Rest Timer is free to download, with in-app purchases available.
Do LiftSync or Gym Rest Timer have ads?
Gym Rest Timer shows ads; LiftSync does not.
Which is updated more often, LiftSync or Gym Rest Timer?
LiftSync ships an update every 3 weeks, and Gym Rest Timer monthly. Most recently, LiftSync was updated on September 26, 2026 and Gym Rest Timer on September 18, 2026.

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