# Rep Max Calculator vs My 1 Rep Max

The clearest difference is rating: Rep Max Calculator at 5.0 against My 1 Rep Max's 4.4. Rep Max Calculator also leads on review sentiment (80% vs 57%) and device support (3 vs 1). My 1 Rep Max's advantage is update cadence (every 11 days vs every 7 months) and ratings volume (119 vs 3). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Rep Max Calculator sells 3 in-app purchases, starting at $9.99 per month and My 1 Rep Max sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Rep Max Calculator holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: My 1 Rep Max has 119 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 80% of Rep Max Calculator's written reviews are positive against 57% of My 1 Rep Max's.

Rep Max Calculator ships an update every 7 months, My 1 Rep Max every 11 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Rep Max Calculator | My 1 Rep Max |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rep-max-calculator/id1103321723/reviews)** | [4.4 (119 ratings)](https://appshunter.io/ios/app/my-1-rep-max/id1317637753/reviews) |
| Number of ratings | 3 | **119** |
| Positive reviews | **80.0% of reviews** | 57.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 11 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 28 MB | 21 MB |
| Requires iOS | **10.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Roman Shimchenko](https://appshunter.io/developer/916564826) | [James T. Constant](https://appshunter.io/developer/1317637752) |

## What reviewers say

### Rep Max Calculator

[App page](https://appshunter.io/ios/app/rep-max-calculator/id1103321723)

Calculate your maximum weight for a specific number of repetitions. Ideal for powerlifting, bodybuilding, and fitness enthusiasts, it supports calculations for 1 to 40 repetitions based on the weight lifted.

**Highlights:** Calculate 1-rep max, Supports 1-40 repetitions, Weight-based calculation, Powerlifting, bodybuilding, fitness, User-friendly interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $9.99 | per month |
| Subscription for year | $99.99 | per year |
| Save Settings | $1.99 | one-time |


### My 1 Rep Max

[App page](https://appshunter.io/ios/app/my-1-rep-max/id1317637753)

Estimate your one rep max weight for various lifts using popular formulas. Track your progress over time with a built-in logbook. Offers custom lift creation and extended repetition calculations with a premium upgrade.

**Highlights:** 1 Rep Max calculator, Logbook for progress tracking, Multiple popular formulas, Custom lift creation (Premium), Extended repetition calculations (Premium)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My 1 Rep Max Premium | $7.99 | one-time |


## Frequently asked questions

### Is Rep Max Calculator free?

Rep Max Calculator is free to download, with in-app purchases available.

### Is My 1 Rep Max free?

My 1 Rep Max is free to download, with in-app purchases available.

### Which has better reviews, Rep Max Calculator or My 1 Rep Max?

Rep Max Calculator is rated higher. Rep Max Calculator averages 5.0 out of 5 from 3 ratings, while My 1 Rep Max averages 4.4 from 119 ratings.

### Do Rep Max Calculator or My 1 Rep Max have ads?

Neither Rep Max Calculator nor My 1 Rep Max shows ads.

### Which is updated more often, Rep Max Calculator or My 1 Rep Max?

Rep Max Calculator ships an update every 7 months, and My 1 Rep Max every 11 days. Most recently, Rep Max Calculator was updated on October 26, 2026 and My 1 Rep Max on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*