Comparison

1RM Calculator vs 1RM

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

Head to head
About

1RM Calculator

Estimate your maximum weight lifted for a single repetition. Input your successful lifts and reps to gauge strength, compare progress, and plan future training. Offers advanced features for detailed tracking and analysis.

Highlights
  • Estimate 1-rep max
  • Track lift history and progress
  • Historical chart and list views
  • Multiple estimation formulas
  • Calculate multiple rep maxes
  • Switch between lbs and kgs
  • View percentages of 1-rep max
Features
Read full description

1RM Calculator is a tool to help you determine your 1-rep max! Because of the nature and stress of attempting a 1-rep max, this utility allows you to enter in a weight you successfully lifted at the number of reps you performed in order to see what your estimated 1-rep max is. This not only helps give you an idea of the weight to attempt when actually performing a 1-rep max but also to gauge your strength and compare different rep schemes performed at different reps. If one week you were able to bench press 190 lbs at 6 reps and the next week you did 200 for 5, this app gives you a way to compare the two as best as possible (190 lbs @ 6 reps gives a 1-rep max estimate of 223 lbs vs. 200 lbs @ 5 reps gives a 1-rep max estimate of 227 lbs) **** PRO VERSION FEATURES **** Upgrade to the Pro version to get all the settings and features! - Ad free experience - Save your lifts and track your history and progress - Historical chart and list views, categorized by exercise - More formulas in order to best estimate your maximums - Multiple rep maxes (up to 10) - Ability to switch between lbs and kgs - Percentage view that shows anywhere from 50% to 125% of your 1-rep max 1RM Calculator is only intended to give estimates based on the data you enter. Since these are calculated values they may vary with actual measured values. Always ensure you have a spotter, and work your way up to your limit with more than adequate warmup to prevent injuries.

About

1RM

Features
Read full description

- Special Score Algorithm - Save Liftings and Scores - Detailed Score Graphs - Zoom and Pan Graphs - View All Records - Set 1RM Goal - 1RM Goal Process - 1RM Goal Forecast Fitness,Weightlifting,Strength training,Workout tracker,Gym tracker,Powerlifting,One rep max,Fitness calculator,Strength calculator,Weightlifting tracker,Exercise tracker,Fitness log,Personal trainer,Fitness goals,Workout planner,Strength calculator app,Weightlifting log,Powerlifting tracker,Workout planner app,Gym companion app,Fitness progress tracker,Personal trainer app,Weightlifting assistant,Strength progress tracker,Fitness performance tracker,Fitness progress app,Weightlifting performance tracker,Workout log,Strength training app,Gym workout tracker,Personal fitness coach,Fitness planner,Weightlifting journal,Strength gains tracker,Exercise performance app,Fitness analytics,Personal workout assistant,Weightlifting calculator,Strength coach app,Fitness goal tracker,Fitness tracker app,Workout performance analyzer,Strength training assistant,Gym session tracker,Exercise intensity monitor,Personal fitness diary,Weightlifting progress app,Fitness goal planner,Workout intensity calculator,Strength improvement tracker,Gym performance recorder,Exercise progress tracker,Fitness goal setter,Weightlifting goal tracker,Workout history tracker,1rm percentage calculator,1rm: weightlifting calculator,1rm weight lifting rep max calculate your 1rm,1rm calculator one rep max,weightlifting,one rep max calculator - 1rm lift log,one rep max - 1rm calculator

Screenshots

1RM Calculator4 screens
1RM4 screens

Verdict

The call

The clearest difference is ads: 1RM Calculator at none against 1RM's shown. On price, in-app purchases, 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 1 one-off in-app purchase and 1RM sells 1 in-app purchase, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference · 9 level
1RM Calculator versus 1RM: the parameters behind the verdict, then further details
Parameter1RM Calculator1RM
PriceFreeFree
Rating4.5 (222 ratings) — better—
Positive reviews36.8% of reviews—
Number of ratings222 — better—
Update frequencyEvery 3 weeks—
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.112.0 — better
Further details — not scored
Size20 MB67 MB
Age rating4+12+
DeveloperDavid BaiABDULLAH YAVUZ

Bugs and requests

1RM Calculator

Reported bugs

8 issues
  • Pro not working after purchase
  • Paid upgrade not granting access
  • App crashes after upgrade
  • Feedback email link broken
  • + button crashes app
Show 3 more
  • UI truncated for percentages view
  • Cannot use three-digit weight numbers
  • App crashes after upgrade

Requested features

7 requests
  • Ability to re-arrange exercises
  • Ability to re-name exercises
  • Ability to delete exercises
  • See all trend lines on one graph
  • Track more than one set per day
Show 2 more
  • Allow decimals in weight input
  • Dark mode

1RM

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

1RM Calculator

One-time1
  • Pro Upgrade$1.99
1 purchases

1RM

Subscriptions1
  • 1RM Pro3 Days trial$0.997 Days

Questions

Is 1RM Calculator free?
1RM Calculator is free to download, with in-app purchases available.
Is 1RM free?
1RM is free to download, with in-app purchases available.
Do 1RM Calculator or 1RM have ads?
1RM shows ads; 1RM Calculator does not.

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