GainLog vs Musku
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
GainLog
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Your gym data belongs to you. Not a fitness company. Not a cloud server. Not an advertiser. GainLog is the strength tracker that stays on your phone โ no account, no data harvesting. Just a clean, fast log for every set, rep, PR, and personal record you earn. Built for lifters who want progress, not a platform. Log every weight lifting session in seconds, track your one rep max across every lift, and monitor progressive overload week by week. GainLog is your strength training workout planner and exercise log, all in one โ stored privately on your phone. No account. No cloud. No ads. --- TRACK WHAT ACTUALLY MATTERS Most gym-goers train hard but track nothing. GainLog fixes that. Log your sets, reps, and weights in seconds โ and watch your strength training data build into a full picture of how you're progressing. - One-rep max tracking: GainLog automatically records your personal bests across every lift, so you never lose track of a new PR. - Progressive overload log: See exactly how your volume and intensity are trending week over week. Know when you're pushing forward โ and when you've plateaued. - Volume and tonnage: Track total weekly lifting volume per muscle group. Understand whether you're doing enough โ or too much. - Consistency streaks: Monitor your workout frequency over time and build the gym habit that actually sticks. --- BUILT-IN PROGRAMS FOR EVERY LEVEL Not sure what to do at the gym? GainLog includes structured workout programs tailored to your goal and experience level. Beginner strength program: If you're new to weight training, stop guessing. GainLog gives you a complete beginner workout plan โ sets, reps, rest times, and progressions โ so you can walk into the gym with a plan from day one. Intermediate hypertrophy program: For lifters who've moved past the basics and want to train specifically for muscle growth. Volume-based, structured, and designed around progressive overload principles. Strength-focused program: Built around the compound barbell lifts. Ideal for anyone chasing a new squat, bench, or deadlift personal record. Pick your goal, pick your level, and GainLog handles the structure. You just have to show up. --- YOUR DATA STAYS ON YOUR PHONE GainLog is built local-first. Every workout you log, every PR you hit, every program you follow โ it all lives on your device and nowhere else. No account required to get started. No subscription wall hiding your own data behind a paywall. No fitness company profiting from your health information. If you've ever felt uncomfortable about where your fitness data actually ends up, GainLog is the answer. Offline-first, private by design, and fully functional without an internet connection. --- SHARE YOUR PROGRESS Hit a new personal record? GainLog lets you share your workouts and PRs directly with friends โ not a messy screenshot, but a clean, readable training card that shows exactly what you achieved. Because your PR earned the share. --- WHO GAINLOG IS FOR - Gym beginners who want a structured workout plan and a simple way to start tracking - Intermediate lifters who are serious about progressive overload and want real data - Anyone who's tired of apps that sell your information, require a subscription, or bury the features you actually need - People who care about privacy and want their strength training log to stay private --- No Hevy. No Strong. Just yours. Download GainLog. Start logging. Watch the numbers move. Our Terms Of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Musku
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Musku, your strength training log. Less time on your phone, more time training. Musku is a workout tracker built for the gym: fast, intuitive, ad-free and without social networking. Log your workouts, track your progress and focus on what matters. WORKOUT TRACKING MADE SIMPLE Create your own workout templates or choose from ready-made programmes. Start a workout, move through your exercises and log your sets in seconds. Musku automatically fills in your previous weights and reps. Add exercises, edit sets and adjust your workout as you go. PLAN YOUR TRAINING WEEK Schedule your workouts for the days and times that suit you. Musku reminds you when it's time to train and shows your next workout on the home screen. AI-POWERED WORKOUT ANALYSIS Musku prepares a detailed summary of your recent workouts (up to 100) or your entire training programme, with key metrics already calculated: training frequency, sets per muscle group, performance and personal records. Copy the summary into your preferred AI (ChatGPT, Claude or Gemini) to identify strengths, spot imbalances and explore ways to improve. Nothing is shared with an AI unless you choose to do so. SEE YOUR PROGRESS Automatically track: - Personal records: weights, estimated 1RM and volume. - Workout calendar and training consistency. - Sets per muscle group. - Your biggest improvements. - Monthly summaries, badges and achievements. Clear statistics, calculated from the workouts you already log. APPLE HEALTH INTEGRATION Automatically sync your strength workouts with Apple Health, including duration and estimated calories. Track your body measurements and sync your weight both ways. A REST TIMER THAT STAYS VISIBLE Set a rest time for each exercise and keep an eye on the countdown from your Lock Screen or Dynamic Island with Live Activities. TRACK YOUR BODY CHANGES Log your weight, body fat and measurements: arms, chest, waist, thighs, calves and more. View each measurement's history and charts to see how your body changes over time. WORK OUT WITH APPLE WATCH Train without reaching for your iPhone. Start a free workout, add exercises, adjust sets and view your workout summary right from your wrist. YOUR WORKOUTS, ONE TAP AWAY Start a workout from your Home Screen with the Musku widget. Choose between two customisable sizes, with 4 or 8 shortcuts to your favourite workouts. FREE TO START, PREMIUM TO GO FURTHER Use Musku for free with up to 3 workout templates and essential statistics. Upgrade to Premium for unlimited templates, advanced statistics and AI analysis of your training programme. Cancel your subscription at any time. For people who take their training seriously without overcomplicating it. Terms of Use: https://musku.app/terms/ Privacy Policy: https://musku.app/privacy/
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Verdict
The clearest difference is iOS requirement: GainLog at 13.0 against Musku's 16.4. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. GainLog sells 2 in-app purchases, starting at $3.99 per month and Musku sells 3 in-app purchases, starting at $2.89 per month. Whichever you choose, the download price is not the number that matters.
Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.
| Parameter | GainLog | Musku |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days | Every 3 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone, Apple Watch |
| Requires iOS | 13.0 โ better | 16.4 |
| Further details โ not scored | ||
| Size | 42 MB | 70 MB |
| Age rating | 4+ | 4+ |
| Developer | Luuk Steltenpool | Julien Legrand |
In-app purchases
GainLog
- Monthly Premium3 Days trial$3.991 Month
- Yearly Premium$24.991 Year
Musku
- Musku Premium Monthly$2.891 Month
- Musku Premium$17.991 Year
- Musku Premium Annual14 Days trial$17.991 Year









