Comparison

1RM Calculator vs WaterPulse

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

WaterPulse

Read full description

Transform your hydration habits with our beautifully designed app that combines smart notifications, personalized goals, and delightful animations to keep you healthy and hydrated throughout the day. KEY FEATURES: Personalized Hydration Goals • Scientific calculations based on your weight, age, and activity level • Automatic daily goal adjustment for optimal hydration • Real-time progress tracking with beautiful circular indicators Intelligent Notifications • Smart reminders that adapt to your progress • Auto-pause when you reach your daily goal • Quick-log actions: instantly add 250ml or 500ml from notifications • Snooze options for busy moments Beautiful & Intuitive Design • Smooth animations and delightful water drop effects • Elegant gradient themes in calming blue tones • Card-based interface for easy navigation • Fully optimized for iOS with native design patterns Comprehensive Tracking • Visual calendar with hydration history • Milestone celebrations at 25%, 50%, and 75% progress Smart Customization • Flexible reminder intervals (1-8 hours) • Custom active hours - set your wake and sleep times • Easy notification management with one-tap controls • Profile updates to keep goals accurate as you change Background Intelligence • Automatic notification renewal system • No manual setup required after initial configuration • Efficient battery usage with smart scheduling • Seamless goal tracking without interruption Perfect for: • Health enthusiasts maintaining optimal hydration • Fitness lovers supporting their workout routines • Busy professionals who forget to drink water • Anyone looking to improve their daily wellness habits Download WaterPulse today and discover the rhythm of perfect hydration! Privacy: Your data stays completely private on your device. No accounts, no tracking, just pure hydration tracking.

Screenshots

1RM Calculator4 screens
WaterPulse3 screens

Verdict

The call

The clearest difference is in-app purchases: WaterPulse at none against 1RM Calculator's 3. 1RM Calculator's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads 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. WaterPulse asks for nothing beyond the download.

Scorecard3 real differences · 7 level
1RM Calculator versus WaterPulse: the parameters behind the verdict, then further details
Parameter1RM CalculatorWaterPulse
PriceFreeFree
Rating4.8 (126 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings126 — better—
Update frequencyEvery 4 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size28 MB2 MB
Age rating4+4+
DeveloperYuri KoshiishiIbrahim Hakan Ugras

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

WaterPulse

No in-app purchases

Questions

Is 1RM Calculator free?
1RM Calculator is free to download, with in-app purchases available.
Is WaterPulse free?
WaterPulse is free to download, with no in-app purchases.
Do 1RM Calculator or WaterPulse have ads?
Neither 1RM Calculator nor WaterPulse shows ads.

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