My 1 Rep Max vs RM REP MAX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
My 1 Rep Max
Estimate your one rep max weight for various lifts using popular formulas. Track your progress over time with a built-in logbook. Offers custom lift creation and extended repetition calculations with a premium upgrade.
- 1 Rep Max calculator
- Logbook for progress tracking
- Multiple popular formulas
- Custom lift creation (Premium)
- Extended repetition calculations (Premium)
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Know your strength. Track your progress. Keep getting stronger. My 1 Rep Max gives you a fast, simple way to estimate your one-rep max and keep a record of the lifts that matter to you. Choose your lift, enter the weight and reps, and instantly see your estimated 1RM along with useful training percentages. Choose from several of the most popular 1 Rep Max formulas so you can calculate your results the way you prefer. Save your lifts to your lift log and build a history of your training over time. Whether you're chasing a new bench press PR, building your squat, improving your deadlift, or simply trying to get stronger, My 1 Rep Max helps you see where you are and where you're headed. GO FURTHER WITH MY 1 REP MAX PREMIUM Premium gives you more control over your training and more insight into your progress: • See your progress over time with interactive charts • Create your own custom lifts • Calculate your 1RM using more than 10 repetitions • Unlock all Premium features with one purchase — no subscription Simple when you need a quick calculation. Powerful enough to become part of your training. A NOTE ABOUT SAFETY One-rep max calculations are estimates, and accuracy can vary based on training experience, technique, fatigue, individual physiology, and other factors. Attempting a true one-rep maximum can involve significant risk. Use appropriate safety equipment, have a qualified spotter when necessary, and never attempt a weight you do not feel prepared to lift safely. AND ONE MORE THING... My 1 Rep Max will never interrupt your workout to ask you for a rating or review. If you enjoy using the app and would like to support it, you can leave a rating or review anytime from Settings.
RM REP MAX
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REP MAX is a strength training app built for lifters who are focused on one goal: setting new personal records. Track your workouts, monitor your progress, manage rest periods, log recovery data, and compare physique photos—all in one place. REP MAX helps you stay consistent, measure improvement, and push beyond your limits. Features Workout Tracking Log weight, reps, sets, and notes with a simple and efficient interface. Personal Record (PR) Tracking Automatically track and display your best lifts for each exercise. PR Progress Charts Visualize your strength progress over time and see how your records continue to improve. Rest Timer Stay focused between sets with a built-in rest timer and notifications. Condition Tracking Record sleep hours, fatigue levels, and overall condition to better understand your performance. Body Progress Photos Save and compare front, side, and back photos to monitor physical changes over time. Training Volume Analytics Track your recent training volume with easy-to-read charts and statistics. Perfect For Strength athletes Bodybuilders Powerlifters Gym enthusiasts Anyone serious about tracking progress Whether you're chasing a new bench press PR, building muscle, or simply staying consistent, REP MAX provides the tools you need to monitor your journey and stay motivated. Train smarter.
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Verdict
The clearest difference is ads: My 1 Rep Max at none against RM REP MAX's shown. RM REP MAX's advantage is update cadence (daily vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. My 1 Rep Max sells 1 one-off in-app purchase and RM REP MAX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
My 1 Rep Max ships an update every 2 weeks, RM REP MAX daily. The most recent releases landed on October 17, 2026 and September 28, 2026 respectively.
| Parameter | My 1 Rep Max | RM REP MAX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (119 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 119 — better | — |
| Update frequency | Every 2 weeks | Daily — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.6 | 17.6 — better |
| Further details — not scored | ||
| Size | 18 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | James T. Constant | matsumae ryo |
In-app purchases
My 1 Rep Max
- My 1 Rep Max Premium$0.99
RM REP MAX
- Remove Ads$0.99








