OneRM vs jim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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 subscriptions. I just wanted a fast, clean way to log my lifts and track my progress without the distractions. So I made OneRM for myself 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. Nothing locked. No strings attached.
jim
Log your workouts with ease using this app. Create custom templates for your routines, track progress with detailed metrics, and utilize a built-in timer that functions on the lock screen and in the dynamic island.
- Workout templates
- In-app timer
- Lock screen timer
- Dynamic Island timer
- Progress metrics
- Volume tracking
- Training load calculation
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jim is a lightweight and easy to use workout logger featuring: - templates: set up your workouts and hit start to begin your session. - a set timer that works in app, on the lock screen and in the dynamic island. - metrics for workout progress, duration and total volume, and training load.
Screenshots
Verdict
The clearest difference is price: jim at Free against OneRM's $4.99. OneRM's advantage is update cadence (every 9 days vs every 2 months). On rating, ratings volume, ads and in-app purchases 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
jim is free to download; OneRM costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for OneRM against 5.0 for jim. Both are backed by a comparable volume of ratings — 2 and 2 respectively.
OneRM ships an update every 9 days, jim every 2 months. Both last shipped on November 5, 2026.
| Parameter | OneRM | jim |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 5.0 (2 ratings) | 5.0 (2 ratings) |
| Number of ratings | 2 | 2 |
| Update frequency | Every 9 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.4 | 16.4 |
| Further details — not scored | ||
| Size | 39 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Juan Castillo | Jared Krajewski |
Customer experience
OneRM
jim
In-app purchases
OneRM
No in-app purchases
jim
No in-app purchases









