# FondazioneFS vs Kel 12 Plus

The clearest difference is in-app purchases: Kel 12 Plus at none against FondazioneFS's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FondazioneFS sells 3 one-off in-app purchases. Kel 12 Plus asks for nothing beyond the download.

FondazioneFS ships an update every 3 weeks, Kel 12 Plus every 5 weeks. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | FondazioneFS | Kel 12 Plus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 84 MB | 46 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GeoRadio srl](https://appshunter.io/developer/1358486156) | [Kel 12](https://appshunter.io/developer/1692937697) |

## What reviewers say

### FondazioneFS

[App page](https://appshunter.io/ios/app/fondazionefs/id1642045834)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Royal Hall Milan Central | $0.99 | one-time |
| Florence S.M.N | $0.99 | one-time |
| Rome Ostiense | $0.99 | one-time |


### Kel 12 Plus

[App page](https://appshunter.io/ios/app/kel-12-plus/id6450678125)

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

**In-app purchases:** none


## Frequently asked questions

### Is FondazioneFS free?

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

### Is Kel 12 Plus free?

Kel 12 Plus is free to download, with no in-app purchases.

### Do FondazioneFS or Kel 12 Plus have ads?

Neither FondazioneFS nor Kel 12 Plus shows ads.

### Which is updated more often, FondazioneFS or Kel 12 Plus?

FondazioneFS ships an update every 3 weeks, and Kel 12 Plus every 5 weeks. Most recently, FondazioneFS was updated on October 24, 2026 and Kel 12 Plus on October 17, 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.*