# COBIDU vs Linjoy

The clearest difference is in-app purchases: COBIDU at none against Linjoy's 3. COBIDU also leads on device support (3 vs 1). Linjoy's advantage is update cadence (every 8 days vs every 9 months). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Linjoy sells 3 in-app purchases, starting at $2.99 per 7 days. COBIDU asks for nothing beyond the download.

COBIDU ships an update every 9 months, Linjoy every 8 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | COBIDU | Linjoy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (9 ratings)](https://appshunter.io/ios/app/linjoy-language-journal/id6756629955/reviews)** |
| Number of ratings | — | **9** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 58 MB | 84 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INTRON INC](https://appshunter.io/developer/1661133752) | [Fatih DONMEZ](https://appshunter.io/developer/1755732915) |

## What reviewers say

### COBIDU

[App page](https://appshunter.io/ios/app/cobidu/id1661133750)

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

**In-app purchases:** none


### Linjoy

[App page](https://appshunter.io/ios/app/linjoy-language-journal/id6756629955)

This app helps you learn languages by journaling about your life. It encourages active vocabulary use and builds writing habits through personalized prompts and streak tracking.

**Highlights:** Daily language journaling, Active vocabulary building, Personalized dictionary, Writing prompts, Streak tracking, Progressive fluency improvement

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Linjoy Pro | $2.99 | per 7 days |
| Linjoy Pro | $6.99 | per month |
| Linjoy Pro | $44.99 | per year |


## Frequently asked questions

### Is COBIDU free?

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

### Is Linjoy free?

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

### Do COBIDU or Linjoy have ads?

Neither COBIDU nor Linjoy shows ads.

### Which is updated more often, COBIDU or Linjoy?

COBIDU ships an update every 9 months, and Linjoy every 8 days. Most recently, COBIDU was updated on November 3, 2026 and Linjoy on October 30, 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.*