# Jiraiya vs ZattaMemo

The clearest difference is update cadence: Jiraiya at every 9 days against ZattaMemo's every 3 weeks. ZattaMemo's advantage is iOS requirement (17.0 vs 26.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Jiraiya sells 2 in-app purchases, starting at $2.99 per month and ZattaMemo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Jiraiya ships an update every 9 days, ZattaMemo every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Jiraiya | ZattaMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Size | 4 MB | 3 MB |
| Requires iOS | 26.4 | **17.0** |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryota Kimura](https://appshunter.io/developer/1832418496) | [Tatsuyoshi Sasaki](https://appshunter.io/developer/1888368184) |

## What reviewers say

### Jiraiya

[App page](https://appshunter.io/ios/app/jiraiya-markdown-book-editor/id6757126944)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Jiraiya Pro(Monthly) | $2.99 | per month |
| Jiraiya Pro (Yearly) | $29.99 | per year |


### ZattaMemo

[App page](https://appshunter.io/ios/app/zattamemo/id6761243555)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZattaMemo Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Jiraiya free?

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

### Is ZattaMemo free?

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

### Do Jiraiya or ZattaMemo have ads?

Neither Jiraiya nor ZattaMemo shows ads.

### Which is updated more often, Jiraiya or ZattaMemo?

Jiraiya ships an update every 9 days, and ZattaMemo every 3 weeks. Most recently, Jiraiya was updated on October 31, 2026 and ZattaMemo on November 6, 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.*