# Language Diary vs Duory

Language Diary and Duory 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. Language Diary sells 6 in-app purchases, starting at $4.99 per month and Duory sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Language Diary ships an update every 3 days, Duory every 5 days. The most recent releases landed on September 20, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | Language Diary | Duory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (26 ratings)](https://appshunter.io/ios/app/language-diary-langjournal/id6448331480/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 94 MB | 138 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daiki Sato](https://appshunter.io/developer/1329526543) | [Adegboyega Dada](https://appshunter.io/developer/1542474149) |

## What reviewers say

### Language Diary

[App page](https://appshunter.io/ios/app/language-diary-langjournal/id6448331480)

This app helps you improve language skills by writing a diary with AI-powered corrections for grammar, vocabulary, and syntax. It also offers peer collaboration, AI chat practice, and CEFR level evaluations to enhance your learning journey.

**Highlights:** AI-powered diary corrections, Chat and conversation with AI, Peer collaboration in teams, CEFR level evaluation, Voice recording for pronunciation, Attach images/videos to entries, Passcode lock for privacy

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly Subscription | $4.99 | per month |
| Pro Monthly Subscription | $5.99 | per month |
| CEFR+ Monthly Subscription | $8.99 | per month |
| Premium Yearly Subscription | $49.99 | per year |
| Pro Yearly Subscription | $59.99 | per year |
| CEFR+ Yearly Subscription | $89.99 | per year |


### Duory

[App page](https://appshunter.io/ios/app/duory-language-learning-notes/id6504098229)

**Features:** Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Duory Plus (Monthly) | $2.99 | per month |
| Duory Family Plus (Monthly) | $4.99 | per month |
| Duory Plus (Annual) | $29.99 | per year |
| Duory Family Plus (Annual) | $49.99 | per year |


## Frequently asked questions

### Is Language Diary free?

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

### Is Duory free?

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

### Do Language Diary or Duory have ads?

Neither Language Diary nor Duory shows ads.

### Which is updated more often, Language Diary or Duory?

Language Diary ships an update every 3 days, and Duory every 5 days. Most recently, Language Diary was updated on September 20, 2026 and Duory on July 6, 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.*