Comparison

1RM Calculator vs Sprint

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

Head to head
About

1RM Calculator

Easily calculate your one-rep max (1RM) strength with this app. It supports RPE input and allows you to estimate rep maxes based on your 1RM. Track your progress by saving your 1RM history for different exercises.

Highlights
  • 1RM calculation with RPE
  • Rep max estimation
  • Save 1RM history
  • Customizable exercises
  • Dark theme
Features
Read full description

Estimate your one rep max (1RM) from any set. Enter the weight and reps you lifted, add RPE if you track it, and get your estimated max in seconds. FEATURES - 1RM calculator with optional RPE: reps left in the tank are counted, so 10 reps at RPE 7 is treated like a 13-rep max - Transparent formulas: your estimate is the average of Epley, Brzycki (up to 12 reps), Wathan, and Mayhew - Estimated rep maxes from 2 to 12 reps, each shown as a percentage of your 1RM, for planning working sets - Save results to your history by exercise, including your own custom exercises - Edit or backdate saved records - Export your history as CSV - kg or lbs, light or dark theme - 9 languages - No account needed: your records stay on your device PRO - 1RM progress chart for each exercise - Rep max table with your best recorded set for each rep count - No ads Pro is available as a monthly or yearly subscription, or as a one-time lifetime purchase. Subscriptions renew automatically until canceled in your store account settings. Your 1RM is an estimate, not a tested max. Estimates are most reliable at lower reps. Terms: https://1rm.workoutwise.app/legal/terms/ Privacy Policy: https://1rm.workoutwise.app/legal/privacy-policy/

About

Sprint

This application assists athletes in tracking their speed over specific distances. It allows users to select a player, set a distance, and record laps with a button press. Live statistics and graphs provide insights into performance, enabling comparisons with other sessions.

Highlights
  • Player selection
  • Distance setting
  • Lap tracking
  • Live speed statistics
  • Performance graphs
  • Session comparison
Features
Read full description

Timer app for tracking athletes speed Sprint helps runners track their speed within a certain distance The app alows the user to: - Select a player to train - Choose a distance - Track all laps by pressing Lap button once the runner has covered the chosen distance - Browse all the live stats like average speed, peak speed, and also check a live graph - Terminate the session and compare it with other runners' last sessions Download the app and start training right now! Also don't forget to leave a feedback or send me improvements suggestions by opening the assistance Url.

Screenshots

1RM Calculator4 screens
Sprint4 screens

Verdict

The call

The clearest difference is review sentiment: 1RM Calculator at 100% against Sprint's 0%. 1RM Calculator also leads on rating (4.8 vs 2.0) and ratings volume (126 vs 2). Sprint's advantage is in-app purchases (none vs 3) and update cadence (every 2 days vs every 4 months). 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. 1RM Calculator sells 3 in-app purchases, starting at $1.99 per month. Sprint asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

1RM Calculator holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: 1RM Calculator has 126 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of 1RM Calculator's written reviews are positive against 0% of Sprint's.

UpkeepUpdate frequency

1RM Calculator ships an update every 4 months, Sprint every 2 days. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

Scorecard6 real differences · 4 level
1RM Calculator versus Sprint: the parameters behind the verdict, then further details
Parameter1RM CalculatorSprint
PriceFreeFree
Rating4.8 (126 ratings) — better2.0 (2 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings126 — better2
Update frequencyEvery 4 monthsEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.014.5 — better
Further details — not scored
Size28 MB11 MB
Age rating4+4+
DeveloperYuri KoshiishiMarco Vastolo

Customer experience

1RM Calculator

All ratings116 ratings
Positive99.1%
Neutral0.0%
Negative0.9%
Written reviews18 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Sprint

All ratings2 ratings
Positive0.0%
Neutral50.0%
Negative50.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

3 purchases

1RM Calculator

Subscriptions2
  • 1 Rep Max Pro Monthly$1.991 Month
  • 1 Rep Max Pro Annual$9.991 Year
One-time1
  • 1 Rep Max Pro Lifetime$29.99
None

Sprint

No in-app purchases

Questions

Is 1RM Calculator free?
1RM Calculator is free to download, with in-app purchases available.
Is Sprint free?
Sprint is free to download, with no in-app purchases.
Which has better reviews, 1RM Calculator or Sprint?
1RM Calculator is rated higher. 1RM Calculator averages 4.8 out of 5 from 126 ratings, while Sprint averages 2.0 from 2 ratings.
Do 1RM Calculator or Sprint have ads?
Neither 1RM Calculator nor Sprint shows ads.
Which is updated more often, 1RM Calculator or Sprint?
1RM Calculator ships an update every 4 months, and Sprint every 2 days. Most recently, 1RM Calculator was updated on October 25, 2026 and Sprint on October 22, 2026.

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