# LetterCode vs IQ Ball Puzzle

The clearest difference is ads: LetterCode at none against IQ Ball Puzzle's shown. LetterCode also leads on update cadence (fortnightly vs every 4 months). IQ Ball Puzzle's advantage is iOS requirement (13.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. LetterCode sells 1 one-off in-app purchase and IQ Ball Puzzle sells 8 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

LetterCode ships an update fortnightly, IQ Ball Puzzle every 4 months. The most recent releases landed on October 30, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | LetterCode | IQ Ball Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (29 ratings)](https://appshunter.io/ios/app/lettercode/id1603512717/reviews)** | — |
| Number of ratings | **29** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 4 months |
| Monetization | Freemium | — |
| Size | 11 MB | 174 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Iannazzone](https://appshunter.io/developer/1554474189) | [Kiril Terziyski](https://appshunter.io/developer/1384357928) |

## What reviewers say

### LetterCode

[App page](https://appshunter.io/ios/app/lettercode/id1603512717)

A word-guessing puzzle game where you decrypt a secret code. Use color cues to learn about letter placement and try to solve it within a limited number of attempts. Customize your experience with various settings and modes.

**Highlights:** Decrypt secret codes, Color-coded feedback system, Limited daily plays, Customizable gameplay settings, Colorblind mode, Timed challenges

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LetterCode Pro | $3.99 | one-time |


### IQ Ball Puzzle

[App page](https://appshunter.io/ios/app/iq-ball-puzzle/id1622781340)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keys 15 | $0.99 | one-time |
| Coins 3500 | $0.99 | one-time |
| Joker 10 | $0.99 | one-time |
| Time 10 | $0.99 | one-time |
| TimeMachine 10 | $0.99 | one-time |
| No Ads | $1.99 | one-time |
| Coins 10000 | $1.99 | one-time |
| Coins 25000 | $2.99 | one-time |


## Frequently asked questions

### Is LetterCode free?

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

### Is IQ Ball Puzzle free?

IQ Ball Puzzle is free to download, with in-app purchases available.

### Do LetterCode or IQ Ball Puzzle have ads?

IQ Ball Puzzle shows ads; LetterCode does not.

### Which is updated more often, LetterCode or IQ Ball Puzzle?

LetterCode ships an update fortnightly, and IQ Ball Puzzle every 4 months. Most recently, LetterCode was updated on October 30, 2026 and IQ Ball Puzzle on October 27, 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.*