RM Calculator(BP.SQ.DL) vs OneRM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
RM Calculator(BP.SQ.DL)
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This app allows you to calculate Max and RM for the Big 3 (Squat, Bench Press, Deadlift). By calculating RM, you can determine the appropriate weights for various set combinations based on your Max weight. You can also track your progress and visualize your daily growth. Additionally, you can convert between lb and kg. This app covers almost all the calculations needed for strength training!
OneRM
This app offers a fast, clean, and distraction-free way to log weightlifting and strength training workouts. It provides features like automatic rest timers, smart set suggestions, progress tracking, and a plate calculator, all while prioritizing user privacy with local data storage.
- Workout logging and progress tracking
- Automatic rest timer with local notifications
- Smart set suggestions and 1RM estimation
- Exercise management by muscle groups
- Progress graphs and performance breakdowns
- Plate calculator and dark mode
- Local data storage with optional iCloud backup
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I built OneRM because I was tired of bloated fitness apps, hidden paywalls, and complicated interfaces. I just wanted a fast, clean way to log my lifts and track my progress without the distractions. So I made OneRM for myself and now everyone can also use it for free. OneRM is a workout tracker for weightlifting, strength training, and bodybuilding. Everything is included. No subscriptions, no ads, and no tracking. What you get: Workouts • Predict your next set based on past data • Automatic rest timer with local notifications • Quick logging with smart set suggestions • See estimated 1RM, reps, sets, volume, and more • Completed workout summaries with detailed stats • Full history of every workout and exercise • Live timer support for Lock Screen and Dynamic Island • Clean, color-coded interface Exercises • Add, edit, and delete any exercise • Input RPE for better effort tracking • Auto-calculate 1 rep max for easy planning • Organize exercises by muscle groups Statistics • Progress graphs over time • Workout summaries and performance breakdowns Tools • Plate calculator • Dark mode • Metric and imperial units Privacy and Data • All data is stored locally on your phone • Optional iCloud backup if you want it • No accounts, no ads, no tracking • Your data stays yours OneRM is the app I use for every single workout. If you’re looking for something simple, fast, and effective, give it a try. It’s completely free. Nothing locked. No strings attached.
Screenshots
Verdict
The clearest difference is ads: OneRM at none against RM Calculator(BP.SQ.DL)'s shown. RM Calculator(BP.SQ.DL)'s advantage is update cadence (every 3 days 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. Neither carries in-app purchases, so what you see is what you pay.
RM Calculator(BP.SQ.DL) ships an update every 3 days, OneRM every 2 weeks. The most recent releases landed on October 19, 2026 and October 11, 2026 respectively.
| Parameter | RM Calculator(BP.SQ.DL) | OneRM |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 3 days — better | Every 2 weeks |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.5 | 16.1 — better |
| Further details — not scored | ||
| Size | 5 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | KEITA SHOJI | Juan Castillo |
In-app purchases
RM Calculator(BP.SQ.DL)
No in-app purchases
OneRM
No in-app purchases
Questions
Is RM Calculator(BP.SQ.DL) free?
Is OneRM free?
Do RM Calculator(BP.SQ.DL) or OneRM have ads?
Which is updated more often, RM Calculator(BP.SQ.DL) or OneRM?
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