# 21 Letters vs Squaria

The clearest difference is in-app purchases: Squaria at none against 21 Letters's 6. Squaria also leads on ads (none vs shown) and review sentiment (100% vs 82%). 21 Letters's advantage is iOS requirement (12.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. 21 Letters sells 6 one-off in-app purchases. Squaria asks for nothing beyond the download.

21 Letters ships an update every 2 days, Squaria daily. Both last shipped on November 4, 2026.

## The numbers

| Metric | 21 Letters | Squaria |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (64 ratings)](https://appshunter.io/ios/app/21-letters/id6504524436/reviews)** | — |
| Number of ratings | **64** | — |
| Positive reviews | 81.8% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 106 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shallot Games, LLC.](https://appshunter.io/developer/916624104) | [Altay KIRLI](https://appshunter.io/developer/1789724961) |

## What reviewers say

### 21 Letters

[App page](https://appshunter.io/ios/app/21-letters/id6504524436)

A daily word game where you build connecting words to achieve a high score. Compete with friends and family using the same daily set of letters. The game ends when you run out of letters or can no longer form words.

**Highlights:** Daily word challenges, Connecting word building, High score tracking, Friend and family competition, Unique daily letter sets

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| August 2024 Ad-Free | $2.99 | one-time |
| September 2024 Ad-Free | $2.99 | one-time |
| October 2024 Ad-Free | $2.99 | one-time |
| May 2024 Ad-Free | $2.99 | one-time |
| June 2024 Ad-Free | $2.99 | one-time |
| July 2024 Ad-Free | $2.99 | one-time |


### Squaria

[App page](https://appshunter.io/ios/app/squaria/id6740394614)

A minimalist puzzle game where players draw lines to create squares. It offers progressive difficulty, dynamic grids, and time-based challenges. Collect hearts for extra lives and avoid obstacles to master strategic planning.

**Highlights:** One-finger swipe controls, Progressive difficulty levels, Dynamic grid expansion, Collect hearts for extra lives, Avoid obstacles, Time-based challenges, Minimalist design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 21 Letters free?

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

### Is Squaria free?

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

### Do 21 Letters or Squaria have ads?

21 Letters shows ads; Squaria does not.

### Which is updated more often, 21 Letters or Squaria?

21 Letters ships an update every 2 days, and Squaria daily. Most recently, 21 Letters was updated on November 4, 2026 and Squaria on November 4, 2026.

---

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