# VLJ Grammar Lite vs Okiru

The clearest difference is in-app purchases: VLJ Grammar Lite at none against Okiru's 2. VLJ Grammar Lite also leads on iOS requirement (12.0 vs 15.1). Okiru's advantage is update cadence (every 3 days vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. Okiru sells 2 in-app purchases, starting at $4.99 per month. VLJ Grammar Lite asks for nothing beyond the download.

VLJ Grammar Lite ships an update every 8 months, Okiru every 3 days. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | VLJ Grammar Lite | Okiru |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 days** |
| Size | 13 MB | 74 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NTT Learning Systems Corporation.](https://appshunter.io/developer/453413863) | [Langston Culpepper Hill](https://appshunter.io/developer/6795920300) |

## What reviewers say

### VLJ Grammar Lite

[App page](https://appshunter.io/ios/app/vlj-grammar-lite/id1121554571)

**Features:** macOS Compatibility

**In-app purchases:** none


### Okiru

[App page](https://appshunter.io/ios/app/okiru/id6795920298)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Okiru Pro Monthly | $4.99 | per month |
| Okiru Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is VLJ Grammar Lite free?

VLJ Grammar Lite is free to download, with no in-app purchases.

### Is Okiru free?

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

### Do VLJ Grammar Lite or Okiru have ads?

Neither VLJ Grammar Lite nor Okiru shows ads.

### Which is updated more often, VLJ Grammar Lite or Okiru?

VLJ Grammar Lite ships an update every 8 months, and Okiru every 3 days. Most recently, VLJ Grammar Lite was updated on October 26, 2026 and Okiru on October 24, 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.*