# DejaVocab vs Echolangs

The clearest difference is iOS requirement: Echolangs at 15.1 against DejaVocab's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DejaVocab sells 6 in-app purchases, starting at $5.99 per month and Echolangs sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

DejaVocab ships an update weekly, Echolangs every 4 days. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | DejaVocab | Echolangs |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (59 ratings)](https://appshunter.io/ios/app/dejavocab/id6753130604/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 86.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 360 MB | 47 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [灏 龙](https://appshunter.io/developer/1842626848) | [Gang Huang](https://appshunter.io/developer/1891838016) |

## What reviewers say

### DejaVocab

[App page](https://appshunter.io/ios/app/dejavocab/id6753130604)

This app helps you learn languages by immersing you in real-world content like videos, podcasts, and books. It builds a personal language corpus by capturing and organizing language chunks from natural input, allowing you to review words within their original context. The system integrates spoken and written language for a continuous learning experience.

**Highlights:** Learn from videos, podcasts, and audiobooks, Build a personal language corpus, Review vocabulary in original context, Integrates spoken and written language, Supports EPUB, PDF, and text files

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DejaVocab 高级版 | $5.99 | per month |
| DejaVocab 高级版 | $7.99 | per month |
| DejaVocab 高级版年付 | $49.99 | per year |
| DejaVocab 专业版年付 | $69.99 | per year |
| DejaVocab 共建者 | $199.99 | one-time |
| DejaVocab 共建者 Plus | $299.99 | one-time |


### Echolangs

[App page](https://appshunter.io/ios/app/echolangs/id6761864373)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Echolangs Pro | $1.99 | per month |
| Monthly Access | $3.99 | per month |
| EchoLangs Pro 1 Year | $34.99 | per year |


## Frequently asked questions

### Is DejaVocab free?

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

### Is Echolangs free?

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

### Do DejaVocab or Echolangs have ads?

Neither DejaVocab nor Echolangs shows ads.

### Which is updated more often, DejaVocab or Echolangs?

DejaVocab ships an update weekly, and Echolangs every 4 days. Most recently, DejaVocab was updated on October 15, 2026 and Echolangs on October 2, 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.*