# IS Viewer vs Ikaro

The clearest difference is ads: IS Viewer at none against Ikaro's shown. IS Viewer also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

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

IS Viewer ships an update every 5 weeks, Ikaro every 3 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | IS Viewer | Ikaro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Size | 28 MB | 50 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Intex System SRL](https://appshunter.io/developer/1318159644) | [Estalia Performance Coatings SpA](https://appshunter.io/developer/1726549385) |

## What reviewers say

### IS Viewer

[App page](https://appshunter.io/ios/app/is-viewer/id1659883008)

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

**In-app purchases:** none


### Ikaro

[App page](https://appshunter.io/ios/app/ikaro/id6476379467)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IS Viewer free?

IS Viewer is free to download, with no in-app purchases.

### Is Ikaro free?

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

### Do IS Viewer or Ikaro have ads?

Ikaro shows ads; IS Viewer does not.

### Which is updated more often, IS Viewer or Ikaro?

IS Viewer ships an update every 5 weeks, and Ikaro every 3 weeks. Most recently, IS Viewer was updated on October 15, 2026 and Ikaro on October 7, 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.*