# tenken app vs AI文章添削

The clearest difference is in-app purchases: tenken app at none against AI文章添削's 1. tenken app also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.0). AI文章添削's advantage is update cadence (every 3 weeks vs every 31 months). On price and device support there is nothing between them.

Both are free to download. AI文章添削 sells 1 in-app purchase, starting at $1.99 per month. tenken app asks for nothing beyond the download.

tenken app ships an update every 31 months, AI文章添削 every 3 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | tenken app | AI文章添削 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 63 MB | 21 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bit peeps Co.,LTD.](https://appshunter.io/developer/1580513406) | [Akira Fujisawa](https://appshunter.io/developer/1533514621) |

## What reviewers say

### tenken app

[App page](https://appshunter.io/ios/app/tenken-app/id6443466484)

**Features:** macOS Compatibility

**In-app purchases:** none


### AI文章添削

[App page](https://appshunter.io/ios/app/ai/id6474089586)

This app uses AI to refine your writing, offering suggestions for grammar, spelling, and style. It can adjust text length and tailor content for different audiences and tones, making writing easier for everyone.

**Highlights:** AI-powered text correction, Grammar and spelling checks, Style and tone adjustment, Character count optimization, Audience-specific text tailoring, End-of-sentence style conversion

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| はかどるモード | $1.99 | per month |


## Frequently asked questions

### Is tenken app free?

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

### Is AI文章添削 free?

AI文章添削 is free to download, with in-app purchases available.

### Do tenken app or AI文章添削 have ads?

AI文章添削 shows ads; tenken app does not.

### Which is updated more often, tenken app or AI文章添削?

tenken app ships an update every 31 months, and AI文章添削 every 3 weeks. Most recently, tenken app was updated on October 3, 2026 and AI文章添削 on October 14, 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.*