# FOUR SQUARE vs AD55

The clearest difference is update cadence: AD55 at fortnightly against FOUR SQUARE's every 6 months. AD55 also leads on iOS requirement (13.0 vs 15.1). 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.

FOUR SQUARE ships an update every 6 months, AD55 fortnightly. The most recent releases landed on September 29, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | FOUR SQUARE | AD55 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Fortnightly** |
| Size | 30 MB | 57 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BEMP Tecnologia](https://appshunter.io/developer/1088591883) | [PRIMEIRA IGREJA EVANGELICA ASSEMB DE DEUS CACHOEIRINHA](https://appshunter.io/developer/1781118657) |

## What reviewers say

### FOUR SQUARE

[App page](https://appshunter.io/ios/app/four-square/id1575811714)

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

**In-app purchases:** none


### AD55

[App page](https://appshunter.io/ios/app/ad55/id6738529987)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FOUR SQUARE free?

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

### Is AD55 free?

AD55 is free to download, with no in-app purchases.

### Do FOUR SQUARE or AD55 have ads?

Neither FOUR SQUARE nor AD55 shows ads.

### Which is updated more often, FOUR SQUARE or AD55?

FOUR SQUARE ships an update every 6 months, and AD55 fortnightly. Most recently, FOUR SQUARE was updated on September 29, 2026 and AD55 on September 13, 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.*