GymHack vs Let's Workout
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
Let's Workout
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Log sets, reps and weights in seconds ā even without internet. Let's Workout is a gym tracker built for the middle of a set: big buttons, last session's numbers already on screen, and a coach that tells you what to lift next. Start without an account. Backup and sync are optional. WHY THIS ONE ⢠It tells you the next weight. Hit all your reps and it suggests going up; fall short and it says hold. You stop guessing between sessions. ⢠Genuinely offline. Logging, history, charts, plans and the written exercise guides all work with no signal. Nothing core is gated behind a connection. ⢠No account needed. Ever. Sign in only if you want your history backed up and synced across devices. ⢠Your data leaves whenever you want. Free CSV export, and one tap to delete your data or your whole account. FAST WORKOUT LOGGING ⢠Big touch targets, a custom number pad, and smart weight/reps prefills ⢠See last session's numbers (PREVIOUS) on every set ā beat them, tap, done ⢠Progression suggestions on the set you're about to do: go up, or consolidate first ⢠Warmup, drop and failure set types with one long-press ⢠One-tap warm-up generator: ramp-up sets calculated from your working weight ⢠Rest timer that starts itself, with per-exercise overrides and a live notification ⢠Plate calculator: see exactly what to load on the bar ⢠Supersets, drag-to-reorder exercises mid-workout, per-workout notes, and a "repeat workout" shortcut YOUR DATA, YOUR RULES ⢠Switching apps? Import your full history from Hevy, Strong or CSV in minutes ⢠Delete your data or your whole account any time, right from Settings ⢠Weights in kg or lbs ā your choice SEE YOURSELF GETTING STRONGER ⢠Estimated 1RM, volume and consistency charts per exercise ⢠Personal records tracked automatically ā with a trophy the moment you beat one ⢠Muscle heat map of what you actually train ⢠Body weight log with trend chart ⢠Workout history with monthly stats, PR badges and calories ⢠A weekly recap that adds up what you actually did 1,100+ EXERCISES, ALL WITH DEMOS ⢠Animated demonstrations for every single exercise ⢠Anatomy diagrams showing primary and secondary muscles worked ⢠Written setup, how-to, common mistakes and safety tips ⢠Search by name, muscle or equipment ā filter chips for quick browsing ⢠Add your own custom exercises; favorite the ones you love BUILD THE HABIT ⢠Answer three questions and the plan generator builds your training week around your goal, your days and the equipment you actually have ⢠Ready-made routines for every goal: ABC split, hypertrophy, 5Ć5 strength, glutes, calisthenics and more ⢠Weekly goal with streaks (and streak freezes when life happens) ⢠Plan your week by weekday, or as a rotation you work through in order ⢠Achievements for consistency, strength, volume and habit milestones ⢠Share a workout card, your weekly recap, or a routine your training partner can open and save This app is not a medical device and does not diagnose, treat, cure, or prevent any medical condition. Consult a qualified healthcare professional for medical advice, diagnosis, or treatment. Let's Workout is free: logging, library, charts, plans and CSV export. Train. Track. Evolve.
Screenshots
Verdict
The clearest difference is in-app purchases: Let's Workout at none against GymHack's 2. Let's Workout also leads on iOS requirement (15.0 vs 18.0). GymHack's advantage is ads (none vs shown). On price and device support 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. Let's Workout asks for nothing beyond the download.
| Parameter | GymHack | Let's Workout |
|---|---|---|
| Price | Free | Free |
| Update frequency | ā | Every 2 days |
| Ads | No ā better | Yes |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPod, Apple Watch |
| Requires iOS | 18.0 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 243 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Prioton LLC | Olivio Waldemar Becker Neto |
In-app purchases
GymHack
- Monthly14 Days trial$9.991 Month
- Yearly14 Days trial$69.991 Year
Let's Workout
No in-app purchases









