# Learn Languages with Retriever vs 识词本

The clearest difference is in-app purchases: Learn Languages with Retriever at none against 识词本's 10. 识词本's advantage is device support (6 vs 4). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. 识词本 sells 10 in-app purchases, starting at $0.99 per month. Learn Languages with Retriever asks for nothing beyond the download.

Learn Languages with Retriever ships an update every 4 days, 识词本 every 2 days. Both last shipped on November 10, 2026.

## The numbers

| Metric | Learn Languages with Retriever | 识词本 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 46 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Mac, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [apochopo Inc.](https://appshunter.io/developer/6799641280) | [天添 叶](https://appshunter.io/developer/6799125945) |

## What reviewers say

### 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


### 识词本

[App page](https://appshunter.io/ios/app/id6803338943)

This app transforms English test papers into structured vocabulary notes. It automatically identifies and filters relevant words, providing detailed information like definitions, examples, and etymology. Users can also access built-in vocabulary lists for various exams and export notes for offline study.

**Highlights:** OCR test papers to generate vocabulary notes, Automatic word filtering and selection, Detailed word information (pronunciation, examples, roots), Built-in vocabulary lists for exams, Cross-platform search, PDF/Word export for offline study, Apple Watch integration

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| Weekly Membership | $0.99 | per 7 days |
| Yearly Membership | $3.99 | per year |
| NCEE | $0.99 | one-time |
| CET4 | $0.99 | one-time |
| CET6 | $0.99 | one-time |
| PAE | $0.99 | one-time |
| TOEFL | $0.99 | one-time |
| IELTS | $0.99 | one-time |
| SHSEE | $0.99 | one-time |


## Frequently asked questions

### Is Learn Languages with Retriever free?

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

### Is 识词本 free?

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

### Do Learn Languages with Retriever or 识词本 have ads?

Neither Learn Languages with Retriever nor 识词本 shows ads.

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

Learn Languages with Retriever ships an update every 4 days, and 识词本 every 2 days. Most recently, Learn Languages with Retriever was updated on November 10, 2026 and 识词本 on November 10, 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.*