# FC.APP vs Rally Devil CKR

The clearest difference is in-app purchases: Rally Devil CKR at none against FC.APP's 12. Rally Devil CKR also leads on update cadence (every 2 weeks vs every 4 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. FC.APP sells 7 in-app purchases, starting at $5.00 per month. Rally Devil CKR asks for nothing beyond the download.

FC.APP ships an update every 4 weeks, Rally Devil CKR every 2 weeks. The most recent releases landed on October 4, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | FC.APP | Rally Devil CKR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 weeks** |
| Size | 68 MB | 35 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FCAPP S.A.](https://appshunter.io/developer/1479071481) | [Robert Grabiski](https://appshunter.io/developer/1883101041) |

## What reviewers say

### FC.APP

[App page](https://appshunter.io/ios/app/fcapp/id1479071482)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Subskrypcja miesięczna | $5.00 | per month |
| PRO Subskrypcja roczna | $30.00 | per year |
| Lublin | $249.99 | one-time |
| Lublin | $299.99 | one-time |
| Lublin | $349.99 | one-time |
| Lublin | $350.00 | one-time |
| Lublin | $399.99 | one-time |


### Rally Devil CKR

[App page](https://appshunter.io/ios/app/rally-devil-ckr/id6760194204)

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

**In-app purchases:** none


## Frequently asked questions

### Is FC.APP free?

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

### Is Rally Devil CKR free?

Rally Devil CKR is free to download, with no in-app purchases.

### Do FC.APP or Rally Devil CKR have ads?

Neither FC.APP nor Rally Devil CKR shows ads.

### Which is updated more often, FC.APP or Rally Devil CKR?

FC.APP ships an update every 4 weeks, and Rally Devil CKR every 2 weeks. Most recently, FC.APP was updated on October 4, 2026 and Rally Devil CKR on October 3, 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.*