# StableFit PRO vs IronLog

The clearest difference is update cadence: IronLog at every 5 days against StableFit PRO's fortnightly. StableFit PRO's advantage is iOS requirement (15.0.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. StableFit PRO sells 4 in-app purchases, starting at $19.99 per month and IronLog sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

StableFit PRO ships an update fortnightly, IronLog every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | StableFit PRO | IronLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Size | 159 MB | 3 MB |
| Requires iOS | **15.0.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SavvaDev](https://appshunter.io/developer/1773169566) | [Yana Mishenina](https://appshunter.io/developer/1891140605) |

## What reviewers say

### StableFit PRO

[App page](https://appshunter.io/ios/app/stablefit-pro/id6755842178)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StableFit PRO Monthly | $19.99 | per month |
| StableFit PRO Monthly | $19.99 | per month |
| StableFit PRO Yearly | $99.99 | per year |
| StableFit PRO Yearly | $99.99 | per year |


### IronLog

[App page](https://appshunter.io/ios/app/ironlog-workout-planner/id6761731973)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Nice Tip | $1.99 | one-time |
| Kind Tip | $2.99 | one-time |
| Big Tip | $4.99 | one-time |
| Huge Tip | $9.99 | one-time |
| Mega Tip | $19.99 | one-time |


## Frequently asked questions

### Is StableFit PRO free?

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

### Is IronLog free?

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

### Do StableFit PRO or IronLog have ads?

Neither StableFit PRO nor IronLog shows ads.

### Which is updated more often, StableFit PRO or IronLog?

StableFit PRO ships an update fortnightly, and IronLog every 5 days. Most recently, StableFit PRO was updated on October 24, 2026 and IronLog on October 25, 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.*