# Lexicon vs Learn Languages with Retriever

The clearest difference is in-app purchases: Learn Languages with Retriever at none against Lexicon's 4. Learn Languages with Retriever also leads on update cadence (every 3 days vs every 10 days) and device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Lexicon sells 4 in-app purchases, starting at $5.99 per month. Learn Languages with Retriever asks for nothing beyond the download.

Lexicon ships an update every 10 days, Learn Languages with Retriever every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lexicon | Learn Languages with Retriever |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 54 MB | 43 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 9+ | 4+ |
| Developer | [Aleksandr Kopachev](https://appshunter.io/developer/977017513) | [apochopo Inc.](https://appshunter.io/developer/6799641280) |

## What reviewers say

### Lexicon

[App page](https://appshunter.io/ios/app/lexicon-ai-language-practice/id6758269758)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro 1 Month (-40%) | $5.99 | per month |
| Pro 1 Month | $9.99 | per month |
| Pro 1 Year (-40%) | $59.99 | per year |
| Pro 1 Year | $119.99 | per year |


### Learn Languages with Retriever

[App page](https://appshunter.io/ios/app/learn-languages-with-retriever/id6799641277)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lexicon free?

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

### Is Learn Languages with Retriever free?

Learn Languages with Retriever is free to download, with no in-app purchases.

### Do Lexicon or Learn Languages with Retriever have ads?

Neither Lexicon nor Learn Languages with Retriever shows ads.

### Which is updated more often, Lexicon or Learn Languages with Retriever?

Lexicon ships an update every 10 days, and Learn Languages with Retriever every 3 days. Most recently, Lexicon was updated on November 5, 2026 and Learn Languages with Retriever on October 31, 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.*