# Core 57 vs IRON & OARS Studio

The clearest difference is update cadence: Core 57 at every 4 months against IRON & OARS Studio's every 9 months. Core 57 also leads on iOS requirement (11.0.0 vs 13.0.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Core 57 ships an update every 4 months, IRON & OARS Studio every 9 months. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Core 57 | IRON & OARS Studio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 9 months |
| Size | 92 MB | 17 MB |
| Requires iOS | **11.0.0** | 13.0.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kolleen Losch](https://appshunter.io/developer/1507978947) | [Save A Life LLC](https://appshunter.io/developer/1716535435) |

## What reviewers say

### Core 57

[App page](https://appshunter.io/ios/app/core-57/id1507978948)

**Features:** macOS Compatibility

**In-app purchases:** none


### IRON & OARS Studio

[App page](https://appshunter.io/ios/app/iron-and-oars-studio/id6740989649)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Core 57 free?

Core 57 is free to download, with no in-app purchases.

### Is IRON & OARS Studio free?

IRON & OARS Studio is free to download, with no in-app purchases.

### Do Core 57 or IRON & OARS Studio have ads?

Neither Core 57 nor IRON & OARS Studio shows ads.

### Which is updated more often, Core 57 or IRON & OARS Studio?

Core 57 ships an update every 4 months, and IRON & OARS Studio every 9 months. Most recently, Core 57 was updated on October 13, 2026 and IRON & OARS Studio on September 29, 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.*