# Mitsis vs 507Athens

The clearest difference is update cadence: Mitsis at every 2 months against 507Athens's every 8 months. 507Athens's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

Mitsis ships an update every 2 months, 507Athens every 8 months. The most recent releases landed on September 11, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Mitsis | 507Athens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Size | 39 MB | 92 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mitsis Hotels](https://appshunter.io/developer/1614430313) | [Eurotel Hospitality SA](https://appshunter.io/developer/1474686035) |

## What reviewers say

### Mitsis

[App page](https://appshunter.io/ios/app/mitsis/id1614613612)

**Features:** macOS Compatibility

**In-app purchases:** none


### 507Athens

[App page](https://appshunter.io/ios/app/507athens/id6448794792)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Mitsis free?

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

### Is 507Athens free?

507Athens is free to download, with no in-app purchases.

### Do Mitsis or 507Athens have ads?

Neither Mitsis nor 507Athens shows ads.

### Which is updated more often, Mitsis or 507Athens?

Mitsis ships an update every 2 months, and 507Athens every 8 months. Most recently, Mitsis was updated on September 11, 2026 and 507Athens on September 24, 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.*