Comparison

1RM Max Calculator vs Simple Workout Tracker

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

Head to head
About

1RM Max Calculator

Instantly calculate your one-rep max (1RM) for bench press, squat, and deadlift using 7 scientific formulas. Track your progress with intuitive charts and calendar records. Ideal for athletes and lifters aiming for more scientific and effective training.

Highlights
  • 7 scientific 1RM calculation formulas
  • Supports bench press, squat, and deadlift
  • Progress tracking and data visualization
  • Calendar for daily record management
  • One-tap data saving
  • Offline functionality
Features
Read full description

Accurate 1RM calculation using 7 scientific formulas Calculate your maximum weight for bench press, squat, and deadlift instantly! Using the average of 7 different proven formulas (Epley, Brzycki, Lander, and more) trusted by professional athletes to determine the most reliable 1RM. [Why choose this app?] - High-precision 1RM calculation using multiple formulas - Simple and intuitive interface - Comprehensive progress tracking - Data visualization for growth monitoring [Key Features] - Support for 3 major lifts (bench press, squat, deadlift) - 7 scientific calculation formulas for precise results - Calendar function for daily record management - Graph display for progress visualization - One-tap data saving - Full offline functionality [Perfect for] - Athletes wanting to track training effectiveness - Lifters needing accurate 1RM calculations - Anyone planning structured training programs - Fitness enthusiasts tracking their progress Make your training more scientific and effective. Take your lifting to the next level! Trusted by over 7,000 users worldwide.

About

Simple Workout Tracker

This strength training log helps gym enthusiasts and bodybuilders track workouts with ease. It offers automatic 1RM calculations, advanced set tracking for supersets and tri-sets, and detailed progress graphs to measure gains and crush fitness goals.

Highlights
  • Automatic 1RM calculation
  • Advanced set tracking (supersets, tri-sets)
  • Comprehensive progress tracking
  • Color-coded workout calendar
  • In-depth analytics and graphs
  • Dark mode and rest timer
Features
Read full description

Take Your Strength Training to the Next Level! Looking for the ultimate strength training log? Whether you're a gym enthusiast, bodybuilder, or personal trainer, this app is designed to help you track your workouts with ease and precision. Built for serious lifters, this app makes recording your workouts seamless—so you can focus on lifting, not logging. With automatic 1RM (one-rep max) calculations, advanced tracking for supersets, tri-sets, and giant sets, plus a powerful training volume graph, you'll have everything you need to measure progress and crush your fitness goals. Why You'll Love This App: - Quick & Easy Logging: Intuitive UI designed for fast workout tracking. - Automatic 1RM Calculation: Instantly estimate your one-rep max for smarter training. - Advanced Set Tracking: Effortlessly log supersets, tri-sets, giant sets, warm-ups, and drop sets. - Copy & Paste Workouts: Save time by reusing set details from previous sessions. - Comprehensive Progress Tracking: Monitor your total volume and max 1RM over time. - Multiple Recording Methods: Log training in various formats, including reps, weight, time, and distance. - Color-Coded Calendar: Easily visualize your muscle group workouts at a glance. - In-Depth Analytics: Graphs for total training volume and muscle group trends. - Dark Mode & Rest Timer: Optimize your workout experience. - Customizable Metrics: Switch between kg/lbs to match your training style. - Monthly Progress Reports: Stay motivated with data-driven insights. Upgrade to Premium: - Ad-Free Experience: Stay focused with zero distractions. - Enhanced Graph Analysis: Gain deeper insights into your training trends. If you're serious about weightlifting, bodybuilding, or fitness training, this is the app for you. Download now and start making real gains!

Screenshots

1RM Max Calculator4 screens
Simple Workout Tracker4 screens

Verdict

The call

The clearest difference is rating: Simple Workout Tracker at 5.0 against 1RM Max Calculator's 4.2. Simple Workout Tracker also leads on update cadence (fortnightly vs every 6 weeks) and review sentiment (86% vs 70%). 1RM Max Calculator's advantage is ads (none vs shown) and ratings volume (22 vs 2). On price, in-app purchases, monetization model and device support 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. 1RM Max Calculator sells 3 one-off in-app purchases and Simple Workout Tracker sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Simple Workout Tracker holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: 1RM Max Calculator has 22 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of 1RM Max Calculator's written reviews are positive against 86% of Simple Workout Tracker's.

UpkeepUpdate frequency

1RM Max Calculator ships an update every 6 weeks, Simple Workout Tracker fortnightly. The most recent releases landed on October 21, 2026 and October 23, 2026 respectively.

Scorecard6 real differences · 4 level
1RM Max Calculator versus Simple Workout Tracker: the parameters behind the verdict, then further details
Parameter1RM Max CalculatorSimple Workout Tracker
PriceFreeFree
Rating4.2 (22 ratings)5.0 (2 ratings) — better
Positive reviews70.4% of reviews85.7% of reviews — better
Number of ratings22 — better2
Update frequencyEvery 6 weeksFortnightly — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.6 — better18.6
Further details — not scored
Size10 MB66 MB
Age rating4+4+
DeveloperKazumasa ShimomuraDAIKI YUASA

Customer experience

1RM Max Calculator

All ratings22 ratings
Positive77.3%
Neutral9.1%
Negative13.6%
Written reviews27 reviews
Positive70.4%
Neutral14.8%
Negative14.8%

Simple Workout Tracker

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive85.7%
Neutral9.5%
Negative4.8%

In-app purchases

3 purchases

1RM Max Calculator

One-time3
  • Calculator for deadlift$2.99
  • Calculator for squat$2.99
  • Ad Blocker$2.99
2 purchases

Simple Workout Tracker

Subscriptions2
  • MUSCLY PREMIUM1 Month trial$2.991 Month
  • Premium Plan1 Month trial$24.991 Year

Questions

Is 1RM Max Calculator free?
1RM Max Calculator is free to download, with in-app purchases available.
Is Simple Workout Tracker free?
Simple Workout Tracker is free to download, with in-app purchases available.
Which has better reviews, 1RM Max Calculator or Simple Workout Tracker?
Simple Workout Tracker is rated higher. 1RM Max Calculator averages 4.2 out of 5 from 22 ratings, while Simple Workout Tracker averages 5.0 from 2 ratings.
Do 1RM Max Calculator or Simple Workout Tracker have ads?
Simple Workout Tracker shows ads; 1RM Max Calculator does not.
Which is updated more often, 1RM Max Calculator or Simple Workout Tracker?
1RM Max Calculator ships an update every 6 weeks, and Simple Workout Tracker fortnightly. Most recently, 1RM Max Calculator was updated on October 21, 2026 and Simple Workout Tracker on October 23, 2026.

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