# Bloobi vs 21 Letters

The clearest difference is ads: Bloobi at none against 21 Letters's shown. Bloobi also leads on review sentiment (97% vs 82%). 21 Letters's advantage is update cadence (every 2 days vs fortnightly) and device support (3 vs 1). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Bloobi sells 2 in-app purchases, starting at $3.99 per month and 21 Letters sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Bloobi against 4.7 for 21 Letters. Both are backed by a comparable volume of ratings — 34 and 64 respectively. Written reviews are what separate them: 97% of Bloobi's written reviews are positive against 82% of 21 Letters's.

Bloobi ships an update fortnightly, 21 Letters every 2 days. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Bloobi | 21 Letters |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (34 ratings)](https://appshunter.io/ios/app/bloobi/id6504361069/reviews)** | [4.7 (64 ratings)](https://appshunter.io/ios/app/21-letters/id6504524436/reviews) |
| Number of ratings | 34 | **64** |
| Positive reviews | **97.0% of reviews** | 81.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 69 MB | 106 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [For One Red AG](https://appshunter.io/developer/1724180039) | [Shallot Games, LLC.](https://appshunter.io/developer/916624104) |

## What reviewers say

### Bloobi

[App page](https://appshunter.io/ios/app/bloobi/id6504361069)

Unscramble letters to form words within a time limit. Earn extra time for each word found. Compete with friends in real-time or play solo to test your vocabulary skills.

**Highlights:** Unscramble letters, Build words, Timed gameplay, Add time to clock, Multiplayer battle mode, Live results, Solo mode

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Pangram Club | $3.99 | per month |
| Pangram Pack | $4.99 | one-time |

**What reviewers like**

- 🤩 Addictive word game
- 🧠 Great for the brain
- 👍 Daily puzzle anticipation
- 🤝 Fun with friends/family
- 📚 Learning new words

**What reviewers complain about**

- ⏳ Limited plays per day
- 🤔 Difficulty with multiplayer setup
- 🤷‍♀️ Some words flagged incorrectly
- ⚖️ Perceived unfair advantage for early players

**Reported bugs**

- Multiplayer join button not working
- Cooperative mode not available as described
- Words flagged as invalid when they are valid

**Requested features**

- Access past daily puzzles/archives
- Free play/practice mode
- More accessible ways to suggest words
- Built-in notification for streak
- More than one game per day


### 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 |


## Frequently asked questions

### Is Bloobi free?

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

### Is 21 Letters free?

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

### Which has better reviews, Bloobi or 21 Letters?

Bloobi is rated higher. Bloobi averages 4.8 out of 5 from 34 ratings, while 21 Letters averages 4.7 from 64 ratings.

### Do Bloobi or 21 Letters have ads?

21 Letters shows ads; Bloobi does not.

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

Bloobi ships an update fortnightly, and 21 Letters every 2 days. Most recently, Bloobi was updated on September 20, 2026 and 21 Letters on September 15, 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.*