Comparison

OneRM vs jim

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

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.

Highlights
  • Workout templates
  • In-app timer
  • Lock screen timer
  • Dynamic Island timer
  • Progress metrics
  • Volume tracking
  • Training load calculation
Features
Read full description

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

OneRM4 screens
jim4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

jim is free to download; OneRM costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

OneRM ships an update every 9 days, jim every 2 months. Both last shipped on November 5, 2026.

Scorecard2 real differences · 7 level
OneRM versus jim: the parameters behind the verdict, then further details
ParameterOneRMjim
Price$4.99Free — better
Rating5.0 (2 ratings)5.0 (2 ratings)
Number of ratings22
Update frequencyEvery 9 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad — betteriPhone
Requires iOS16.416.4
Further details — not scored
Size39 MB43 MB
Age rating4+4+
DeveloperJuan CastilloJared Krajewski

Customer experience

OneRM

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

jim

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OneRM

No in-app purchases

None

jim

No in-app purchases

Questions

Is OneRM free?
OneRM costs $4.99, with no in-app purchases.
Is jim free?
jim is free to download, with no in-app purchases.
Which has better reviews, OneRM or jim?
OneRM and jim are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do OneRM or jim have ads?
Neither OneRM nor jim shows ads.
Which is updated more often, OneRM or jim?
OneRM ships an update every 9 days, and jim every 2 months. Most recently, OneRM was updated on November 5, 2026 and jim on November 5, 2026.

Other comparisons