1RM Calculator vs Calomi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 1RM calculation with RPE
- Rep max estimation
- Save 1RM history
- Customizable exercises
- Dark theme
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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/
Calomi
Track your daily calorie intake and expenditure with ease. Log meals by scanning barcodes, taking photos, or searching. Monitor your progress with weekly summaries and sync data with Apple Health for a comprehensive view of your health journey.
- Calorie tracking at a glance
- Barcode scanning for food logging
- Photo recognition for food logging
- Multi-language food search
- Weekly progress summaries
- Apple Health integration
- No account or ads
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Calomi shows today’s calories at a glance: what you’ve eaten, what you’ve burned through exercise, and what’s left. Three ways to log Scan a barcode and product details fill in automatically. Take a photo of your food and on-device recognition helps you log it. Or search for foods by name in Korean, Japanese, or English. One ring, at a glance One ring shows what you’ve eaten, burned, and have left. Tap for details, while your daily record keeps building. Weekly summary Instead of charts, Calomi makes your week easy to understand: what you ate, how much you moved, and how your weight changed. It’s shown naturally in Korean, Japanese, and English. Connect with Apple Health Calomi syncs automatically with Apple Health. It imports steps and workouts, and saves the weight and workouts you log back to Apple Health. Each record is counted once. Your records are yours No account. No sign-up. No ads. No user tracking. Your records sync only through your iCloud, and you can back them up anytime. Available in English, Korean, and Japanese.
Screenshots
Verdict
The clearest difference is in-app purchases: Calomi at none against 1RM Calculator's 3. Calomi also leads on update cadence (every 5 days vs every 4 months). 1RM Calculator's advantage is ratings volume (130 vs 2) and device support (3 vs 1). On price, rating 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
Both are free to download. 1RM Calculator sells 3 in-app purchases, starting at $1.99 per month. Calomi asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.9 for 1RM Calculator against 5.0 for Calomi. That said, the two scores are not equally well evidenced: 1RM Calculator has 130 ratings behind it against 2, so its average is the more settled of the two.
1RM Calculator ships an update every 4 months, Calomi every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | 1RM Calculator | Calomi |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (130 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 130 — better | 2 |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 28 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuri Koshiishi | Chul ho Jang |
Customer experience
1RM Calculator
Calomi
In-app purchases
1RM Calculator
- 1 Rep Max Pro Monthly$1.991 Month
- 1 Rep Max Pro Annual$9.991 Year
- 1 Rep Max Pro Lifetime$29.99
Calomi
No in-app purchases









