# IronOS vs Stone

The clearest difference is update cadence: IronOS at every 4 days against Stone's every 3 weeks. IronOS also leads on monetization model (free vs free with in-app purchases) and ratings volume (7 vs 2). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. IronOS sells 1 in-app purchase, starting at $7.99 per month and Stone sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for IronOS against 5.0 for Stone. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

IronOS ships an update every 4 days, Stone every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | IronOS | Stone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/ironos-strength-training-log/id6763789414/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/stone-5x5-workout-tracker/id6776695771/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 49 MB | 14 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Data Driven Athlete LLC](https://appshunter.io/developer/1895417340) | [Signal Creative, LLC](https://appshunter.io/developer/1869269509) |

## What reviewers say

### 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 |


### Stone

[App page](https://appshunter.io/ios/app/stone-5x5-workout-tracker/id6776695771)

This app is a dedicated tracker for the 5x5 barbell strength training program. It guides you through weight selection, plate loading, rest periods, and progression. Your data is stored locally, and you can import existing history for free.

**Highlights:** Automatic progression and deloads, Customizable sets, reps, and weight jumps, Plate calculator for loading, Guided warm-up sets and rest timer, Lift substitution and accessory work, History, progress, and PR tracking, Local data storage and export

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Workout Tracking | $9.99 | one-time |


## Frequently asked questions

### Is IronOS free?

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

### Is Stone free?

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

### Which has better reviews, IronOS or Stone?

IronOS and Stone are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.

### Do IronOS or Stone have ads?

Neither IronOS nor Stone shows ads.

### Which is updated more often, IronOS or Stone?

IronOS ships an update every 4 days, and Stone every 3 weeks. Most recently, IronOS was updated on October 31, 2026 and Stone on October 31, 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.*