Comparison

OneRM vs Sinclair Weightlifting Tracker

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

Sinclair Weightlifting Tracker

Features
Read full description

Built specifically for Olympic weightlifters, powerlifters, and serious strength athletes, Sinclair is the ultimate no-nonsense barbell tracking app. Leave the bloated, subscription-heavy workout apps behind. Sinclair provides exactly what you need to track your core lifts, measure your true relative strength, and prepare for competition. Designed to be fast and completely offline, Sinclair works instantly—even in basement gyms with no WiFi. CORE LIFT TRACKING - Dedicated Logbook: Quickly log your Snatch, Clean & Jerk, Back Squat, Front Squat, and Deadlift sessions with a clean, dark-mode interface designed for chalky hands. - Automatic PR Detection: Never lose track of your heaviest lifts. The app automatically recognizes new Personal Records and updates your dashboard. - Progress Visualization: View your strength gains over time with interactive line graphs for every exercise. OFFICIAL SINCLAIR CALCULATOR - Calculate your exact Sinclair score using the official International Weightlifting Federation (IWF) formula. - Automatically scales based on your logged bodyweight and gender constants to give you your true pound-for-pound strength metric. SINCLAIR PRO (One-Time Purchase) We hate fitness subscriptions as much as you do. Upgrade to Pro with a single, one-time in-app purchase and unlock lifetime access to our advanced lifting calculators: - Visual Plate Calculator: Type in your target weight and instantly see a visual rendering of exactly which colored plates to load on your 15kg or 20kg barbell. - Meet Attempt Planner: Enter your goal 3rd attempt, and let the app calculate your optimal Opener (90%) and Second Attempt (95%), complete with the exact kilogram jumps needed between lifts. - Percentage Warmup Generator: Type in your working weight to instantly generate a mathematically sound warmup progression from the empty bar up to your working sets. - Export to CSV: Own your data forever. Export your entire lifting history directly to Apple Numbers, Excel, or share it with your coach. PRIVATE & SECURE Your lifting data is yours. Sinclair requires no account creation, no email sign-ups, and no internet connection. Everything is stored locally and securely on your iPhone. Focus on the lift. Let Sinclair handle the math. Download now. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

OneRM4 screens
Sinclair Weightlifting Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: OneRM at none against Sinclair Weightlifting Tracker's 1. On price, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sinclair Weightlifting Tracker sells 1 one-off in-app purchase. OneRM asks for nothing beyond the download.

Scorecard1 real difference · 8 level
OneRM versus Sinclair Weightlifting Tracker: the parameters behind the verdict, then further details
ParameterOneRMSinclair Weightlifting Tracker
PriceFreeFree
Rating5.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.115.1 — better
Further details — not scored
Size37 MB26 MB
Age rating4+4+
DeveloperJuan CastilloAISHA AMBER IRFAN

In-app purchases

None

OneRM

No in-app purchases

1 purchases

Sinclair Weightlifting Tracker

One-time1
  • Sinclair Weightlifting Tracker Pro$6.99

Questions

Is OneRM free?
OneRM is free to download, with no in-app purchases.
Is Sinclair Weightlifting Tracker free?
Sinclair Weightlifting Tracker is free to download, with in-app purchases available.
Do OneRM or Sinclair Weightlifting Tracker have ads?
Neither OneRM nor Sinclair Weightlifting Tracker shows ads.

Other comparisons