# Idiomus vs Instituto Four

Idiomus and Instituto Four are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Idiomus ships an update every 6 weeks, Instituto Four every 2 months. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Idiomus | Instituto Four |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (149 ratings)](https://appshunter.io/ios/app/idiomus-textos-em-ingles/id1362353575/reviews)** | — |
| Number of ratings | **149** | — |
| Positive reviews | 63.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 41 MB | 79 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [felipe foiato](https://appshunter.io/developer/1362353574) | [WAID](https://appshunter.io/developer/1690041207) |

## What reviewers say

### Idiomus

[App page](https://appshunter.io/ios/app/idiomus-textos-em-ingles/id1362353575)

Learn English through book summaries that boost personal and professional growth. Access audiobooks and synchronized English texts with translations to improve reading and listening skills. Expand your knowledge in diverse fields while mastering the language.

**Highlights:** English book summaries, Audiobooks, Synchronized translations, Reading practice, Listening practice, Diverse subject library

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

**In-app purchases:** none


### Instituto Four

[App page](https://appshunter.io/ios/app/instituto-four/id6670444962)

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

**In-app purchases:** none


## Frequently asked questions

### Is Idiomus free?

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

### Is Instituto Four free?

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

### Do Idiomus or Instituto Four have ads?

Neither Idiomus nor Instituto Four shows ads.

### Which is updated more often, Idiomus or Instituto Four?

Idiomus ships an update every 6 weeks, and Instituto Four every 2 months. Most recently, Idiomus was updated on October 26, 2026 and Instituto Four 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.*