# AI英語添削くん 正しい英文に添削推敲 vs Planeta

The clearest difference is ads: Planeta at none against AI英語添削くん 正しい英文に添削推敲's shown. Planeta also leads on update cadence (weekly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AI英語添削くん 正しい英文に添削推敲 ships an update every 4 months, Planeta weekly. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | AI英語添削くん 正しい英文に添削推敲 | Planeta |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Size | 8 MB | 54 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [kaitekidigital Inc.](https://appshunter.io/developer/1305009205) | [MERT CELIK](https://appshunter.io/developer/1627336991) |

## What reviewers say

### AI英語添削くん 正しい英文に添削推敲

[App page](https://appshunter.io/ios/app/ai/id6737055247)

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

**In-app purchases:** none


### Planeta

[App page](https://appshunter.io/ios/app/planeta-pomodoro-focus-timer/id6792402372)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AI英語添削くん 正しい英文に添削推敲 free?

AI英語添削くん 正しい英文に添削推敲 is free to download, with no in-app purchases.

### Is Planeta free?

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

### Do AI英語添削くん 正しい英文に添削推敲 or Planeta have ads?

AI英語添削くん 正しい英文に添削推敲 shows ads; Planeta does not.

### Which is updated more often, AI英語添削くん 正しい英文に添削推敲 or Planeta?

AI英語添削くん 正しい英文に添削推敲 ships an update every 4 months, and Planeta weekly. Most recently, AI英語添削くん 正しい英文に添削推敲 was updated on October 8, 2026 and Planeta on October 15, 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.*