# 4 Square vs Prolog Retro Notes

The clearest difference is review sentiment: Prolog Retro Notes at 100% against 4 Square's 40%. Prolog Retro Notes also leads on rating (5.0 vs 2.4) and update cadence (every 9 months vs every 67 months). 4 Square's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Prolog Retro Notes sells 1 in-app purchase, starting at $0.99 per month. 4 Square asks for nothing beyond the download.

Prolog Retro Notes holds the better App Store score, 5.0 against 2.4. Both are backed by a comparable volume of ratings — 16 and 5 respectively. Written reviews point the same way: 40% of 4 Square's written reviews are positive against 100% of Prolog Retro Notes's.

4 Square ships an update every 67 months, Prolog Retro Notes every 9 months. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 4 Square | Prolog Retro Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (16 ratings)](https://appshunter.io/ios/app/4-square/id517144208/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/prolog-retro-notes-8-bit-memo/id6468677672/reviews)** |
| Number of ratings | **16** | 5 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 67 months | **Every 9 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 40 MB | 38 MB |
| Requires iOS | **9.0** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [jody zellen](https://appshunter.io/developer/422871450) | [yasuhiro kojima](https://appshunter.io/developer/1244729145) |

## What reviewers say

### 4 Square

[App page](https://appshunter.io/ios/app/4-square/id517144208)

This app generates random artwork by combining four different visual elements. Users can tap individual squares to cycle through images or drag them to rearrange the composition.

**Highlights:** Random artwork generation, Tap to change images, Drag to reposition elements, Four-element composition

**Features:** macOS Compatibility

**In-app purchases:** none


### Prolog Retro Notes

[App page](https://appshunter.io/ios/app/prolog-retro-notes-8-bit-memo/id6468677672)

This app offers a unique note-taking experience with a retro 8-bit aesthetic. It allows users to record memos, track editing time, and even attach photos, all within a nostalgic, game-like interface. Level up your notes and enjoy a blast from the past.

**Highlights:** Retro 8-bit graphics, Memo recording, Playtime tracking, Level-based text progress, Photo attachment, Passcode lock (premium)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium plan | $0.99 | per month |


## Frequently asked questions

### Is 4 Square free?

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

### Is Prolog Retro Notes free?

Prolog Retro Notes is free to download, with in-app purchases available.

### Which has better reviews, 4 Square or Prolog Retro Notes?

Prolog Retro Notes is rated higher. 4 Square averages 2.4 out of 5 from 16 ratings, while Prolog Retro Notes averages 5.0 from 5 ratings.

### Do 4 Square or Prolog Retro Notes have ads?

Prolog Retro Notes shows ads; 4 Square does not.

### Which is updated more often, 4 Square or Prolog Retro Notes?

4 Square ships an update every 67 months, and Prolog Retro Notes every 9 months. Most recently, 4 Square was updated on October 4, 2026 and Prolog Retro Notes on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*