mrTrainer vs MuscleLab
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
mrTrainer
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Trainer Progress is the ultimate fitness companion for trainers and clients. Designed for simplicity and motivation, it helps trainers manage multiple clients while giving clients a clear, interactive view of their progress. For Trainers: Add, edit, and manage client profiles. Assign workouts organized by muscle groups. Track weekly progression with sets, reps, and weights. Upload notes and feedback for each client. Sync across devices securely with iCloud. For Clients: View personalized workout plans. Track weekly performance and improvements. See interactive charts and graphs of your progress. Upload progress photos for side-by-side comparison. Stay motivated with reminders and achievement badges. With Trainer Progress, fitness becomes organized, visual, and motivating. Whether youβre a trainer managing multiple clients or an individual tracking personal progress, the app keeps you moving forward β one workout at a time.
MuscleLab
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MuscleLab is a focused strength training tracker for people who want to train consistently and see real progress over time. Start from a saved template, generate a workout from exercises you practise, or begin with an empty session. Log sets as you train, then finish with a clear summary of volume, time, sets, muscles, and exercise changes. Built for gym training: β’ Workout templates you can repeat β’ Recommended workouts from practising exercises and training type β’ Fast set, rep, weight, and duration logging β’ Warm-ups, supersets, circuits, and drop sets β’ Finished workout summaries with volume, time, sets, and muscle coverage β’ Workout history, exercise stats, and exercise history β’ Body measurements and progress trends β’ Coach tools for client sessions, templates, history, progress, and notes MuscleLab is not a social fitness feed or a calorie tracker. It is a clear training log for people who want the next workout to be easier to start and easier to understand afterward. Log workouts. Repeat what works. See progress.
Screenshots
Verdict
The clearest difference is iOS requirement: MuscleLab at 16.6 against mrTrainer's 18.5. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
mrTrainer ships an update every 9 days, MuscleLab weekly. Both last shipped on October 25, 2026.
| Parameter | mrTrainer | MuscleLab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Weekly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 18.5 | 16.6 β better |
| Further details β not scored | ||
| Size | 3 MB | 30 MB |
| Age rating | 4+ | 12+ |
| Developer | Sham Rasheed | Ilya Valasiuk |
In-app purchases
mrTrainer
No in-app purchases
MuscleLab
No in-app purchases








