# MemoSoon vs Oitayo

The clearest difference is in-app purchases: MemoSoon at none against Oitayo's 2. Oitayo's advantage is ads (none vs shown) and update cadence (every 2 days vs weekly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Oitayo sells 2 in-app purchases, starting at $1.99 per month. MemoSoon asks for nothing beyond the download.

MemoSoon ships an update weekly, Oitayo every 2 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | MemoSoon | Oitayo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Size | 8 MB | 1 MB |
| Requires iOS | 18.1 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tomohiro Fujimura](https://appshunter.io/developer/1744808379) | [合同会社JProduct](https://appshunter.io/developer/1887137543) |

## What reviewers say

### MemoSoon

[App page](https://appshunter.io/ios/app/memosoon-0/id6744027313)

**Features:** macOS Compatibility

**In-app purchases:** none


### Oitayo

[App page](https://appshunter.io/ios/app/oitayo/id6793178359)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン | $1.99 | per month |
| 買い切り | $6.99 | one-time |


## Frequently asked questions

### Is MemoSoon free?

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

### Is Oitayo free?

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

### Do MemoSoon or Oitayo have ads?

MemoSoon shows ads; Oitayo does not.

### Which is updated more often, MemoSoon or Oitayo?

MemoSoon ships an update weekly, and Oitayo every 2 days. Most recently, MemoSoon was updated on October 7, 2026 and Oitayo on September 28, 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.*