# PonAI AI Diary vs ヨンコマ

The clearest difference is in-app purchases: PonAI AI Diary at none against ヨンコマ's 2. ヨンコマ's advantage is ads (none vs shown) and update cadence (daily vs every 2 weeks). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ヨンコマ sells 2 one-off in-app purchases. PonAI AI Diary asks for nothing beyond the download.

PonAI AI Diary ships an update every 2 weeks, ヨンコマ daily. The most recent releases landed on November 5, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | PonAI AI Diary | ヨンコマ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 6 MB | 3 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [BYNET](https://appshunter.io/developer/1811735131) | [Shota Morioka](https://appshunter.io/developer/483674380) |

## What reviewers say

### PonAI AI Diary

[App page](https://appshunter.io/ios/app/ponai-ai-diary/id6740941148)

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

**In-app purchases:** none


### ヨンコマ

[App page](https://appshunter.io/ios/app/ai/id6791621011)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 生成10回パック | $1.99 | one-time |
| 生成30回パック | $4.99 | one-time |


## Frequently asked questions

### Is PonAI AI Diary free?

PonAI AI Diary is free to download, with no in-app purchases.

### Is ヨンコマ free?

ヨンコマ is free to download, with in-app purchases available.

### Do PonAI AI Diary or ヨンコマ have ads?

PonAI AI Diary shows ads; ヨンコマ does not.

### Which is updated more often, PonAI AI Diary or ヨンコマ?

PonAI AI Diary ships an update every 2 weeks, and ヨンコマ daily. Most recently, PonAI AI Diary was updated on November 5, 2026 and ヨンコマ on October 13, 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.*