Comparison

Simple One vs MaxRep Workout Calculator

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

Head to head
About

Simple One

This app helps you accurately determine your one-rep max (1RM) using multiple proven formulas. It provides reliable estimates to help you choose the right weights for your training, ensuring safer and more effective strength progression.

Highlights
  • Accurate one-rep max estimates
  • Multiple proven calculation formulas
  • Determine training weights
  • Fast and simple interface
  • Distraction-free design
Features
Read full description

Stop guessing your max. Train with confidence. Simple One Rep Max Calculator helps you understand how strong you really are — so every workout has a purpose. By calculating your one-rep max using multiple proven formulas, you get realistic numbers you can trust, not just a single estimate. Know your limits, choose the right weights, and progress safely — whether you’re pushing for new PRs or building strength over time. Why you’ll love it • Clear and reliable max lift estimates • Multiple formulas for better confidence • Training weights at the right intensity • Fast, simple, and distraction-free Less guessing. Better progress.

About

MaxRep Workout Calculator

This app helps barbell lifters create personalized warm-up routines. It calculates exact plate loads for each set based on your target weight and available time, ensuring you're prepared without fatigue. Track personal records across numerous movements and customize plans for your training style.

Highlights
  • Personalized warm-up plans
  • Exact plate load suggestions
  • Personal record tracking for 63 movements
  • Customizable lifter profiles
  • Imperial and metric unit support
  • Offline functionality
Features
Read full description

MaxRep Workout Calculator takes the guesswork out of warming up for barbell lifts. Tell it your target weight and how much time you have — MaxRep builds a complete, personalized warmup plan with exact plate loads for every set. WORKOUT CALCULATOR Enter your 1-rep max target and your available warmup time. MaxRep generates a step-by-step plan scaled to your lifter type, adjusting rest periods and rep tempo so you arrive at your working weight fully prepared — not fatigued. PLATE LOADING See exactly which plates go on the bar for every set. Configure the plates you actually have at your gym and MaxRep only suggests what's available to you. PERSONAL RECORD TRACKING Log your max rep after every session. MaxRep tracks your personal bests across 63 movements and surfaces your PR alongside each warmup so you always know what you're chasing. 63 BUILT-IN MOVEMENTS Compound and accessory movements included out of the box — squat, bench, deadlift, overhead press, Romanian deadlift, barbell row, and dozens more. BUILT FOR HOW YOU TRAIN Choose from three lifter profiles — Athletic/CrossFit, Regular Gym-Goer, or Powerlifter — each with rest periods and rep tempos tuned to that training style. WORKS IN LBS OR KG Full imperial and metric support. Switch units at any time in Settings; all weights and plate labels update instantly. NO ACCOUNT. NO SUBSCRIPTION. NO INTERNET REQUIRED. All data stays on your device. MaxRep works entirely offline and never requires you to create an account. REMOVE ADS A one-time in-app purchase removes all banner ads permanently for the lifetime of your use of the app.

Screenshots

Simple One1 screens
MaxRep Workout Calculator4 screens

Verdict

The call

The clearest difference is review sentiment: MaxRep Workout Calculator at 100% against Simple One's 50%. MaxRep Workout Calculator also leads on price (Free vs $0.99) and rating (5.0 vs 4.5). Simple One's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume, 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

MaxRep Workout Calculator is free to download; Simple One costs $0.99 up front. MaxRep Workout Calculator sells 1 one-off in-app purchase. Simple One asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MaxRep Workout Calculator holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 50% of Simple One's written reviews are positive against 100% of MaxRep Workout Calculator's.

UpkeepUpdate frequency

Simple One ships an update every 13 months, MaxRep Workout Calculator every 2 weeks. The most recent releases landed on October 20, 2026 and October 10, 2026 respectively.

Scorecard7 real differences · 3 level
Simple One versus MaxRep Workout Calculator: the parameters behind the verdict, then further details
ParameterSimple OneMaxRep Workout Calculator
Price$0.99Free — better
Rating4.5 (2 ratings)5.0 (2 ratings) — better
Positive reviews50.0% of reviews100.0% of reviews — better
Number of ratings22
Update frequencyEvery 13 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhoneiPhone, iPod — better
Requires iOS16.015.1 — better
Further details — not scored
Size2 MB35 MB
Age rating17+4+
DeveloperAbove ASThomas Farlow

Customer experience

Simple One

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

MaxRep Workout Calculator

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Simple One

No in-app purchases

1 purchases

MaxRep Workout Calculator

One-time1
  • Remove Ads$2.99

Questions

Is Simple One free?
Simple One costs $0.99, with no in-app purchases.
Is MaxRep Workout Calculator free?
MaxRep Workout Calculator is free to download, with in-app purchases available.
Which has better reviews, Simple One or MaxRep Workout Calculator?
MaxRep Workout Calculator is rated higher. Simple One averages 4.5 out of 5 from 2 ratings, while MaxRep Workout Calculator averages 5.0 from 2 ratings.
Do Simple One or MaxRep Workout Calculator have ads?
MaxRep Workout Calculator shows ads; Simple One does not.
Which is updated more often, Simple One or MaxRep Workout Calculator?
Simple One ships an update every 13 months, and MaxRep Workout Calculator every 2 weeks. Most recently, Simple One was updated on October 20, 2026 and MaxRep Workout Calculator on October 10, 2026.

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