# Aicho Journal vs Ai

The clearest difference is iOS requirement: Ai at 15.1 against Aicho Journal's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Aicho Journal sells 3 in-app purchases, starting at $0.99 per 7 days and Ai sells 1 in-app purchase, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Aicho Journal ships an update every 5 days, Ai every 3 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Aicho Journal | Ai |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 5 MB | 48 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [浩哲 程](https://appshunter.io/developer/1868280135) | [CHIYOOM Inc](https://appshunter.io/developer/1739311721) |

## What reviewers say

### Aicho Journal

[App page](https://appshunter.io/ios/app/aicho-journal/id6757690606)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aicho Pro Weekly | $0.99 | per 7 days |
| Aicho_Pro | $3.99 | per month |
| Aicho Pro Yearly | $39.99 | per year |


### Ai

[App page](https://appshunter.io/ios/app/ai-u/id6780382567)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ai-U Premium | $3.99 | per month |


## Frequently asked questions

### Is Aicho Journal free?

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

### Is Ai free?

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

### Do Aicho Journal or Ai have ads?

Neither Aicho Journal nor Ai shows ads.

### Which is updated more often, Aicho Journal or Ai?

Aicho Journal ships an update every 5 days, and Ai every 3 days. Most recently, Aicho Journal was updated on October 13, 2026 and Ai 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.*