Comparison

OneRM vs Charge

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 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.

About

Charge

This app helps users build muscle and track fitness progress with custom routines and detailed analytics. Log sets, reps, and weight to monitor strength gains and muscle growth over time. It offers an intuitive interface for efficient workout logging and personalized insights.

Highlights
  • Custom gym routines and workout plans
  • Log sets, reps, and weight
  • Detailed progress charts and analytics
  • Track muscle growth and strength
  • AI Smart Progression
  • Intuitive interface
Features
Read full description

Charge is your all-in-one free workout tracker built for serious lifters and casual gym-goers alike. Whether you train at home or in the gym, Charge helps you build muscle, track your progress, and stay consistent. Key Features: • Create and follow custom gym routines and workout plans • Log every set, rep, and weight in your workout log • View your progress with detailed charts and analytics • Track muscle growth and strength over time • Advanced AI Smart Progression Charge is built for lifters who want a clean, powerful weight lifting app without clutter or ads. Whether you’re tracking a work out routine free, following a strength program, or just staying active, Charge keeps your fitness data organized and motivating. Why athletes love Charge: • Intuitive interface • Log workouts in seconds • Real progress tracking and insights • Smart exercise history and 1RM tracking • Personalized stats for every lift Get stronger, stay consistent, and enjoy your fitness journey, one rep at a time. Download Charge today, your free workout tracker for home and gym. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lukeherb.github.io/charge-privacy-policy/

Screenshots

OneRM4 screens
Charge4 screens

Verdict

The call

The clearest difference is in-app purchases: OneRM at none against Charge's 2. On price, rating, ratings volume and update cadence 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

Both are free to download. Charge sells 2 in-app purchases, starting at $4.99 per month. OneRM asks for nothing beyond the download.

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 Charge. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

OneRM ships an update every 2 weeks, Charge weekly. The most recent releases landed on October 11, 2026 and October 9, 2026 respectively.

Scorecard2 real differences · 7 level
OneRM versus Charge: the parameters behind the verdict, then further details
ParameterOneRMCharge
PriceFreeFree
Rating5.0 (2 ratings)5.0 (2 ratings)
Number of ratings22
Update frequencyEvery 2 weeksWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.115.1 — better
Further details — not scored
Size37 MB71 MB
Age rating4+4+
DeveloperJuan CastilloLuke Herb

Customer experience

OneRM

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

Charge

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

In-app purchases

None

OneRM

No in-app purchases

2 purchases

Charge

Subscriptions2
  • Monthly Pro Access7 Days trial$4.991 Month
  • Yearly Pro Access$29.991 Year

Questions

Is OneRM free?
OneRM is free to download, with no in-app purchases.
Is Charge free?
Charge is free to download, with in-app purchases available.
Which has better reviews, OneRM or Charge?
OneRM and Charge are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.
Do OneRM or Charge have ads?
Neither OneRM nor Charge shows ads.
Which is updated more often, OneRM or Charge?
OneRM ships an update every 2 weeks, and Charge weekly. Most recently, OneRM was updated on October 11, 2026 and Charge on October 9, 2026.

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