# Idiom World vs Expression Builder

The clearest difference is in-app purchases: Expression Builder at none against Idiom World's 1. Idiom World's advantage is ads (none vs shown) and iOS requirement (8.0 vs 13.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Idiom World sells 1 one-off in-app purchase. Expression Builder asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Idiom World | Expression Builder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/idiom-world/id1546505292/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 111 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Vladimir Bayatov](https://appshunter.io/developer/991895404) | [Nezihe Sozen](https://appshunter.io/developer/1825918288) |

## What reviewers say

### Idiom World

[App page](https://appshunter.io/ios/app/idiom-world/id1546505292)

Embark on an adventure as a little fox in a magical realm, learning English idioms through engaging gameplay. This educational game offers a fun way to expand your vocabulary and understanding of common phrases. More content is planned for future updates.

**Highlights:** Fantasy world exploration, Learn English idioms, Character-based gameplay (little fox), Progressive level system, Vocabulary expansion

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All levels | $0.99 | one-time |


### Expression Builder

[App page](https://appshunter.io/ios/app/expression-builder-first-3000/id6775914345)

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

**In-app purchases:** none


## Frequently asked questions

### Is Idiom World free?

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

### Is Expression Builder free?

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

### Do Idiom World or Expression Builder have ads?

Expression Builder shows ads; Idiom World does not.

### Which is updated more often, Idiom World or Expression Builder?

Idiom World ships an update every 3 weeks, and Expression Builder every 3 weeks. Most recently, Idiom World was updated on October 1, 2026 and Expression Builder on October 5, 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.*