Comparison

1RM Max Calculator vs ProxyFit

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

ProxyFit

This fitness app gamifies your workouts, turning real-life exercise into progress within the app. Log your training to earn points, level up characters, unlock rewards, and advance through challenges. It's designed to make consistency motivating and rewarding for all fitness levels.

Highlights
  • Log strength and cardio workouts
  • Track exercises, sets, reps, weight, time, and distance
  • Earn stat points from completed training
  • Level up characters and unlock rewards
  • Progress through in-app battles and challenges
  • View daily fitness tips
Features
Read full description

Make your progress visible. ProxyFit is a workout tracker built around one idea: your real training should feel like progress. Log strength training, cardio, routines, and more while keeping track of your performance over time. As you train, you’ll build your game character's stats, progress through battles, earn rewards, unlock skills, and customize your experience. The fitness tracker comes first. The progression system gives you another reason to stay consistent. Whether you’re just getting started or already train regularly, ProxyFit helps you record what you do, understand your progress, and keep moving forward. WORKOUT TRACKING • Log strength and cardio workouts • Track sets, reps, weight, time, distance, and more • View previous exercise performance while you train • Use built-in exercise guides • Create and save workout routines • Track workouts across different muscle groups and sports • Quickly see which muscle groups you’ve trained this week • Review your recent workout and exercise history • Available in English and Japanese • Log and track your meals and macros over time PROGRESSION & REWARDS Your workouts also power ProxyFit’s progression system. • Earn stat points through real-world training • Build Strength, Endurance, and Speed • Level up your character with your real workouts • Battle bosses and advance through rounds • Earn Reward Boxes while training • Collect Skill Tickets and unlock new attacks • Unlock characters and skins • Earn additional rewards as you progress The battle system is completely tied to the workouts you log. Your fitness progress drives your in-app progress. PROXYFIT PREMIUM Go deeper into your training with additional tracking and analysis tools. • View your complete workout history beyond the free history period • Save unlimited workout routines • Analyze how frequently you train each muscle group • View training volume and activity trends • Track workout consistency over time • Review personal records and performance statistics • See estimated one-rep max and additional training insights Premium is available with monthly or yearly subscription options. PROXYFIT COACHING For users who want additional accountability and personalized support, ProxyFit Coaching connects you with a real coach. • Personalized workout assignments • Weekly check-ins • Direct coach messaging • Workout adjustments based on your progress • Coach-assigned workouts directly inside ProxyFit • All ProxyFit Premium features included And for those who are coaches and personal trainers themselves can train their clients through ProxyFit • Track client workout performance and eating habits • Create training programs • Assign workouts • Help clients reach their fitness goals TRAIN. TRACK. PROGRESS. You don’t need to play the game to use ProxyFit as a workout tracker. The progression, battles, and rewards are there to make consistency more satisfying while the workouts themselves remain the focus. ProxyFit can be used for free. Premium and Coaching are optional auto-renewable subscriptions available through the App Store. ProxyFit provides fitness and workout-tracking tools for general wellness and entertainment. It does not provide medical advice, diagnosis, or treatment. Consult a qualified healthcare professional before beginning or significantly changing an exercise program if you have a medical condition, injury, concerning symptoms, or questions about whether an activity is appropriate for you. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

1RM Max Calculator4 screens
ProxyFit4 screens

Verdict

The call

The clearest difference is rating: ProxyFit at 5.0 against 1RM Max Calculator's 4.2. ProxyFit also leads on update cadence (fortnightly vs every 6 weeks). 1RM Max Calculator's advantage is ratings volume (22 vs 2). On price, ads, in-app purchases and monetization model 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 ProxyFit sells 3 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

ProxyFit 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.

UpkeepUpdate frequency

1RM Max Calculator ships an update every 6 weeks, ProxyFit fortnightly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
1RM Max Calculator versus ProxyFit: the parameters behind the verdict, then further details
Parameter1RM Max CalculatorProxyFit
PriceFreeFree
Rating4.2 (22 ratings)5.0 (2 ratings) — better
Positive reviews70.4% of reviews—
Number of ratings22 — better2
Update frequencyEvery 6 weeksFortnightly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS16.616.4 — better
Further details — not scored
Size10 MB66 MB
Age rating4+12+
DeveloperKazumasa ShimomuraCALEB MICHAEL DELGARDO

Customer experience

1RM Max Calculator

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

ProxyFit

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

In-app purchases

3 purchases

1RM Max Calculator

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

ProxyFit

Subscriptions3
  • ProxyFit Premium$2.991 Month
  • ProxyFit Premium Yearly$19.991 Year
  • ProxyFit Coaching$49.991 Month

Questions

Is 1RM Max Calculator free?
1RM Max Calculator is free to download, with in-app purchases available.
Is ProxyFit free?
ProxyFit is free to download, with in-app purchases available.
Which has better reviews, 1RM Max Calculator or ProxyFit?
ProxyFit is rated higher. 1RM Max Calculator averages 4.2 out of 5 from 22 ratings, while ProxyFit averages 5.0 from 2 ratings.
Do 1RM Max Calculator or ProxyFit have ads?
Neither 1RM Max Calculator nor ProxyFit shows ads.
Which is updated more often, 1RM Max Calculator or ProxyFit?
1RM Max Calculator ships an update every 6 weeks, and ProxyFit fortnightly. Most recently, 1RM Max Calculator was updated on November 2, 2026 and ProxyFit on October 31, 2026.

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