# One Rep Max vs RM REP MAX

The clearest difference is update cadence: RM REP MAX at daily against One Rep Max's every 4 days. One Rep Max's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. One Rep Max sells 3 in-app purchases, starting at $2.99 per month and RM REP MAX sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

One Rep Max ships an update every 4 days, RM REP MAX daily. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | One Rep Max | RM REP MAX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (178 ratings)](https://appshunter.io/ios/app/one-rep-max-1rm-calculator/id950621710/reviews)** | — |
| Number of ratings | **178** | — |
| Positive reviews | 58.2% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 4 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 8 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Charles Vanderhoff](https://appshunter.io/developer/950621709) | [matsumae ryo](https://appshunter.io/developer/1884536856) |

## What reviewers say

### One Rep Max

[App page](https://appshunter.io/ios/app/one-rep-max-1rm-calculator/id950621710)

Safely estimate your maximum lift potential for various strength exercises using scientific formulas. Track your progress visually, set goals, and fine-tune estimates with perceived exertion. Ideal for powerlifters, CrossFit athletes, and strength enthusiasts.

**Highlights:** Precise 1RM calculations with 7 scientific formulas, RPE integration for fine-tuned estimates, Custom exercise tracking for any lift, Visual progress graphs, Percentage charts for training, Goal setting and progress monitoring

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1RM Pro Monthly | $2.99 | per month |
| 1RM Pro Annual | $19.99 | per year |
| 1RM Pro Lifetime | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use interface
- 📊 Tracks progress with charts
- ➕ Plate calculator bonus feature
- 📈 Supports multiple 1RM formulas
- 💪 Helpful for tracking RMs

**What reviewers complain about**

- 💰 Subscription required for features
- 💸 Features moved behind paywall
- 😩 Useless without subscription
- 🚫 Basic features now paid
- 💸 High subscription cost

**Reported bugs**

- Features behind paywall
- Forced ads
- Deleted lifting history
- Lost all logs with update
- Weight limit restriction

**Requested features**

- Allow editing of logs (date/time)
- Manual entry for weight preferred over slider
- Include different 1RM formulas (Epley, Brzycki)
- Ability to create custom graphs
- Fix weight limit restriction


### RM REP MAX

[App page](https://appshunter.io/ios/app/rm-rep-max/id6779126106)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is One Rep Max free?

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

### Is RM REP MAX free?

RM REP MAX is free to download, with in-app purchases available.

### Do One Rep Max or RM REP MAX have ads?

Both One Rep Max and RM REP MAX show ads.

### Which is updated more often, One Rep Max or RM REP MAX?

One Rep Max ships an update every 4 days, and RM REP MAX daily. Most recently, One Rep Max was updated on September 14, 2026 and RM REP MAX on September 10, 2026.

---

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