# Kamloops 7s vs CASTRS

The clearest difference is in-app purchases: Kamloops 7s at none against CASTRS's 1. Kamloops 7s also leads on ads (none vs shown). CASTRS's advantage is update cadence (every 3 days vs every 7 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. CASTRS sells 1 in-app purchase, starting at $3.99 per month. Kamloops 7s asks for nothing beyond the download.

Kamloops 7s ships an update every 7 months, CASTRS every 3 days. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kamloops 7s | CASTRS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 3 days** |
| Size | 52 MB | 13 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Room Roster](https://appshunter.io/developer/1182546935) | [Gianluca Casullo](https://appshunter.io/developer/1881126045) |

## What reviewers say

### Kamloops 7s

[App page](https://appshunter.io/ios/app/kamloops-7s/id6748146653)

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

**In-app purchases:** none


### CASTRS

[App page](https://appshunter.io/ios/app/castrs/id6759843843)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CASTRS Pro | $3.99 | per month |


## Frequently asked questions

### Is Kamloops 7s free?

Kamloops 7s is free to download, with no in-app purchases.

### Is CASTRS free?

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

### Do Kamloops 7s or CASTRS have ads?

CASTRS shows ads; Kamloops 7s does not.

### Which is updated more often, Kamloops 7s or CASTRS?

Kamloops 7s ships an update every 7 months, and CASTRS every 3 days. Most recently, Kamloops 7s was updated on October 17, 2026 and CASTRS 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.*