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. Get stronger. My 1 Rep Max is a powerful yet easy-to-use one-rep max (1RM) calculator and strength tracker designed to help you train smarter, measure your progress, and reach new personal records. Whether you're working toward a bigger bench press, a stronger squat, or a new deadlift PR, My 1 Rep Max gives you the tools to understand your strength and keep improving. CALCULATE YOUR STRENGTH • Calculate your 1RM using seven established strength formulas • Explore training weights based on percentages of your estimated max • See your estimated rep maxes for 1–10 repetitions • Work in pounds or kilograms TRACK YOUR PROGRESS Every lift tells part of your story. Save your workouts and build a lasting record of your strength. • Log your lifts and review your training history • Identify personal records and all-time highs • Pin your favorite lifts for quick access • Share your strength achievements TAKE YOUR TRAINING FURTHER WITH PREMIUM Unlock powerful tools to get more from every workout. • Progress Charts — Visualize your strength gains over time with interactive charts • Plate Calculator — Quickly figure out which plates to load on your barbell so you can focus on lifting • RPE Tracking — Record how hard your sets feel and incorporate effort into your strength estimates • Custom Exercises — Track the lifts that matter most to you • Extended Calculations — Estimate your 1RM from sets of more than 10 repetitions ONE-TIME PURCHASE. NO SUBSCRIPTION. Unlock all Premium features with a single purchase. No recurring fees. Whether you're checking your numbers between sets or tracking months of progress, My 1 Rep Max makes it easy to see how far you've come—and how much stronger you can become. A NOTE ABOUT SAFETY One-rep max calculations are estimates. Accuracy can vary based on training experience, technique, fatigue, and individual physiology. Attempting a true one-rep maximum involves risk. Always use appropriate safety equipment, have a qualified spotter when necessary, and never attempt a weight you aren't prepared to lift safely.
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.
Screenshots
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 10 days). 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 10 days, RM REP MAX daily. The most recent releases landed on November 6, 2026 and October 31, 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 10 days | 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 | 23 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$7.99
RM REP MAX
- Remove Ads$0.99








