1RM Max Calculator
1RM Max Calculator is a formula-based strength training utility for bench press, squat, and deadlift tracking on iOS.
The App DNA
What makes this app unique?
The app removes the manual friction of calculating 1RM values by applying seven scientific formulas, serving athletes who prioritize training precision over social features.
For Strength athletes and fitness enthusiasts who require precise, formula-based tracking for bench press, squat, and deadlift performance.
What does it look like?
Key features
Calculates one-rep max using seven distinct scientific formulas including Epley, Brzycki, and Lander.
Allows users to toggle between Conservative and Standard calculation modes for personalized results.
Performs all calculations and data storage without requiring an internet connection.
How much does it cost?
The app operates as a free utility with no visible subscription or IAP gates.
Velocity
Maintenance developmentUX improvementsShow more...
The app currently operates on a maintenance cadence, with only one release shipped in the last 100 days. Development is focused on UX improvements, specifically regarding calculation flexibility and method selection. Given the lack of updates over the past three months, the development trend is stable at a low-frequency maintenance level. There are no indications of live operations or frequent feature iteration.
Who built it?
Kazumasa Shimomura
8 apps tracked · Health & Fitness
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Crash Report ViewerUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for 1RM Max Calculator
How's the Health & Fitness market?
1RM Max Calculator holds a niche position as a free, offline-first utility for strength athletes. The lack of monetization or cloud-sync features limits its scale compared to broader fitness suites, but maintains high utility for its specific, performance-focused user segment.
The rivals identified
The Analyst's Read
Key takeaways for 1RM Max Calculator
Where is it heading?
The strength-tracking market is consolidating around cloud-integrated suites, leaving static tools like 1RM Max Calculator exposed to churn. Maintaining a stable, offline-first experience is sufficient for current users, but the lack of cloud-sync will eventually force a migration to more modern alternatives.
- The 100-day update gap indicates a maintenance-mode posture, which limits growth potential but preserves the app's current utility for existing users.
- Configurable calculation modes (Conservative vs. Standard) demonstrate a commitment to precision, which sustains the app's value for its core strength-athlete segment.
The SWOT
- Seven-formula calculation library provides technical precision
- Offline-first architecture removes connectivity dependencies
- Localized pricing or premium-tier features could monetize the existing user base
Next best moves
Ship cloud-save functionality because it prevents data loss for long-term users → increase retention
+ 1 more prioritized moveThe counter-intuitive read
The 100-day update gap is not a failure but a feature…
Read the full takeSince the last report: 1RM Max Calculator maintains a stable, maintenance-mode position with no functional or pricing changes. The reporting now explicitly defines the supported lift set as bench press, squat, and deadlift.
Bottom line
1RM Max Calculator maintains a stable position via its multi-formula precision, but the 100-day update gap risks user attrition to more frequently updated fitness suites. Prioritizing cloud-save functionality would address the primary data-loss risk, securing the user base against more modern, cloud-integrated competitors.
Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store
Report last updated