# The One Rep Max vs IronOS

The clearest difference is in-app purchases: The One Rep Max at none against IronOS's 1. The One Rep Max also leads on iOS requirement (9.0 vs 15.1). IronOS's advantage is update cadence (every 4 days vs every 10 days) and ratings volume (7 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. IronOS sells 1 in-app purchase, starting at $7.99 per month. The One Rep Max asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for The One Rep Max against 5.0 for IronOS. That said, the two scores are not equally well evidenced: IronOS has 7 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

The One Rep Max ships an update every 10 days, IronOS every 4 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | The One Rep Max | IronOS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/the-one-rep-max/id697865606/reviews) | [5.0 (7 ratings)](https://appshunter.io/ios/app/ironos-strength-training-log/id6763789414/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Free | Free |
| Size | 29 MB | 49 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jonah Witcig](https://appshunter.io/developer/1081267495) | [Data Driven Athlete LLC](https://appshunter.io/developer/1895417340) |

## What reviewers say

### The One Rep Max

[App page](https://appshunter.io/ios/app/the-one-rep-max/id697865606)

Estimate your maximum weightlifting capacity with this tool. Track your progress and safely push your limits. Ideal for strength training enthusiasts.

**Highlights:** One Rep Max estimation, Progress charting, Safe training guidance, Weightlifting focus

**Features:** macOS Compatibility

**In-app purchases:** none


### IronOS

[App page](https://appshunter.io/ios/app/ironos-strength-training-log/id6763789414)

Log workouts with precision, track progress, and measure strength over time. Features include automatic PR tracking, coach integration, and a unique durability score based on powerlifting standards. Syncs bodyweight with Apple Health.

**Highlights:** Workout logging with precision, Strength progress tracking, Durability Score metric, Automatic PR tracking, Coach integration, Form check video uploads, Apple Health sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Coaching | $7.99 | per month |


## Frequently asked questions

### Is The One Rep Max free?

The One Rep Max is free to download, with no in-app purchases.

### Is IronOS free?

IronOS is free to download, with in-app purchases available.

### Which has better reviews, The One Rep Max or IronOS?

The One Rep Max and IronOS are both rated 5.0 out of 5 on the App Store, from 1 and 7 ratings respectively.

### Do The One Rep Max or IronOS have ads?

Neither The One Rep Max nor IronOS shows ads.

### Which is updated more often, The One Rep Max or IronOS?

The One Rep Max ships an update every 10 days, and IronOS every 4 days. Most recently, The One Rep Max was updated on October 20, 2026 and IronOS 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.*