# ISS River Catalog vs CarCheck

The clearest difference is iOS requirement: CarCheck at 11.0 against ISS River Catalog's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ISS River Catalog | CarCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 19 MB | 61 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [INOSYS GmbH Innovative Computersysteme](https://appshunter.io/developer/1438879626) | [NEXMO solutions GmbH & Co. KG](https://appshunter.io/developer/1360318492) |

## What reviewers say

### ISS River Catalog

[App page](https://appshunter.io/ios/app/iss-river-catalog/id1456742750)

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

**In-app purchases:** none


### CarCheck

[App page](https://appshunter.io/ios/app/carcheck/id1537384524)

**In-app purchases:** none


## Frequently asked questions

### Is ISS River Catalog free?

ISS River Catalog is free to download, with no in-app purchases.

### Is CarCheck free?

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

### Do ISS River Catalog or CarCheck have ads?

Neither ISS River Catalog nor CarCheck shows ads.

### Which is updated more often, ISS River Catalog or CarCheck?

ISS River Catalog ships an update every 2 months, and CarCheck every 2 months. Most recently, ISS River Catalog was updated on October 24, 2026 and CarCheck on October 5, 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.*