GymHack vs SimpleLifts
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
GymHack
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TRAINING THAT KNOWS WHEN YOU'RE COOKED A workout log records what you did. GymHack reads what it's doing to you. NO ACCOUNT. EVER. Open the app and train. No email, no signup wall, no "create an account to continue." Your data lives on your device. Sign in later only if you want cloud backup ā or never. BUILT FOR YOUR GYM, NOT A GENERIC ONE Every gym is different. Yours has that one plate-loaded machine nobody else stocks, or a cable setup with its own quirks. GymHack lets you add your own exercises and your own machines ā name them, photograph them, tell the app what they count as, and train with them like any built-in movement. And your AI Coach ā a PRO feature, currently in beta ā knows about them. Ask it to build a session around what your gym actually has, and it programs with your custom machines and exercises ā not a stock library that pretends every gym is identical. FREE, AND ACTUALLY FREE ⢠Unlimited workouts, sets, supersets and rest timers ⢠430+ exercises with images, cues and muscle maps ⢠Per-set RPE, drop sets, warm-up sets, failure sets ⢠Add 5 custom exercises and 2 custom machines ⢠Build weekly plans, or generate one automatically ⢠Periodization phases that coach you mid-workout ⢠Progress charts for every exercise ā volume, max weight, estimated 1RM, PR history ⢠Guided 1RM testing ⢠Cardio and HIIT ā add an Apple Watch for 5-zone heart-rate training ⢠A 53-badge collection to chase ⢠Share a plan or template with a 6-character code (they need no account to open it) ⢠Pre-workout readiness check before every session ⢠Free cloud backup of your plans, templates and badges APPLE WATCH ā THE WHOLE APP, FREE Run entire workouts from your wrist. Heart rate, calories, Activity rings, PR haptics, complications, Siri shortcuts, offline queue, Handoff to iPhone. No subscription. PRO ā SEE WHAT TRAINING IS DOING TO YOU Logging tells you what you lifted. PRO tells you what it cost. ⢠Your whole gym ā up to 200 custom exercises and 50 custom machines ⢠AI Coach that programs around your equipment and your history (beta) ⢠Recovery and readiness ā which muscles are ready, which need rest ⢠Training load ā acute, cumulative and systemic fatigue, including CNS overreaching ⢠Muscle profile ā 16 muscles tracked with personalized volume targets ⢠Strength progress ā every muscle, over time, with full analysis ⢠Left/right asymmetry detection ⢠Weight, body-fat, calorie and heart-rate trends with plateau detection ⢠Nutrition targets that flex on training vs rest days ⢠Cloud sync of your full training history across devices Try PRO free for 14 days. Cancel anytime. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://gymhack.ai/privacy
SimpleLifts
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Log your lifts. Track your runs. Sync your devices. SimpleLifts is a privacy-first gym and run tracker for iPhone and Apple Watch ā with no account, no ads, and no servers. Built for people who want a clean, fast workout log without giving up control of their data. WHAT YOU CAN DO ⢠One-tap set logging ā weight, reps, perceived effort, all from the watch or phone ⢠Apple Watch companion ā start a workout from your wrist, with live heart rate and calories captured through HealthKit ⢠Outdoor runs ā GPS route, pace, distance, and elevation, alongside your lifts in the same app ⢠Indoor runs ā log treadmill sessions by distance, speed, and time ⢠Templates and programs ā save your routines, build multi-day splits, run them in sequence ⢠Exercise library ā hundreds of bundled exercises with images, plus your own custom ones ⢠Apple Health integration ā completed workouts save to Apple Health and contribute to your Activity rings ⢠Widgets and complications ā see your last workout and weekly volume at a glance on your home screen and Watch face ⢠Share extension ā paste a workout from any app (Notes, Messages, the web) and SimpleLifts parses it into structured sets PRIVACY BY DEFAULT SimpleLifts has no backend server. Your workouts live on your device and ā if you choose ā sync to your other devices through your own iCloud account, never through us. We don't collect personal information, we don't run analytics, and we don't sell data. ⢠No account or sign-up required ⢠No ads, no in-app purchases, no subscriptions ⢠No analytics SDKs or tracking ⢠Location used only during outdoor runs (when in use, never in the background) ⢠Optional Notion sync ā connect a Notion database to mirror workouts there if you keep a training journal in Notion ICLOUD SYNC Your lifts, templates, history, and exercise library sync between your iPhone, iPad, and Apple Watch via Apple's CloudKit framework. It's the same mechanism Notes and Reminders use ā your data never touches a SimpleLifts server, because there is no SimpleLifts server. APPLE WATCH The Watch app is a fully native watchOS companion. Start a workout from your wrist, log sets via the digital crown or on-screen buttons, capture heart rate and active energy through HealthKit, and review your last session ā all without your phone nearby. Outdoor runs use the Watch's built-in GPS. ON-DEVICE INTELLIGENCE Where SimpleLifts uses AI ā for example, parsing a workout you share into the app from another source ā it runs on Apple's on-device Foundation Models framework. No workout text is ever sent to a cloud AI service. (Requires iOS 26 or later on a device with Apple Intelligence enabled.) FREE, FOREVER SimpleLifts is free. There are no ads, no in-app purchases, and no premium tiers. If you'd like to support development, the best way is to leave a review and tell a friend. QUESTIONS OR FEEDBACK? Email azeltzdev@gmail.com ā we read everything.
Screenshots
Verdict
The clearest difference is in-app purchases: SimpleLifts at none against GymHack's 2. On price, ads, device support 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
Both are free to download. GymHack sells 2 in-app purchases, starting at $9.99 per month. SimpleLifts asks for nothing beyond the download.
| Parameter | GymHack | SimpleLifts |
|---|---|---|
| Price | Free | Free |
| Update frequency | ā | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad, Apple Watch ā better | iPhone, Apple Watch |
| Requires iOS | 18.0 | 17.0 ā better |
| Further details ā not scored | ||
| Size | 243 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | Prioton LLC | Amir Zeltzer |
In-app purchases
GymHack
- Monthly14 Days trial$9.991 Month
- Yearly14 Days trial$69.991 Year
SimpleLifts
No in-app purchases









