# Memo Stacker vs AI×倍速×アファーメーション

The clearest difference is ads: AI×倍速×アファーメーション at none against Memo Stacker's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Memo Stacker sells 2 in-app purchases, starting at $2.99 per month and AI×倍速×アファーメーション sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 19, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Memo Stacker | AI×倍速×アファーメーション |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 90 MB | 70 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Trivial Ventures](https://appshunter.io/developer/1772834670) | [Kazuki Yamamoto](https://appshunter.io/developer/1889110454) |

## What reviewers say

### Memo Stacker

[App page](https://appshunter.io/ios/app/memo-stacker-notes-and-diary/id6736639271)

This app helps you capture and organize your thoughts, ideas, and daily logs. It automatically stacks your entries chronologically, making it easy to look back on your past records through a visual timeline. Enjoy customizable features and secure data storage options.

**Highlights:** Timeline notes, Auto-organized by date, Habit tracking stats, Modern font customization, Dark mode support, iCloud Drive integration, Local data storage option

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro plan Monthly | $2.99 | per month |
| Remove Ads | $2.99 | one-time |


### AI×倍速×アファーメーション

[App page](https://appshunter.io/ios/app/ai/id6761359436)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム会員（月額） | $2.99 | per month |
| 200ポイント | $0.49 | one-time |
| 1200ポイント | $2.99 | one-time |
| 3000ポイント | $5.99 | one-time |


## Frequently asked questions

### Is Memo Stacker free?

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

### Is AI×倍速×アファーメーション free?

AI×倍速×アファーメーション is free to download, with in-app purchases available.

### Do Memo Stacker or AI×倍速×アファーメーション have ads?

Memo Stacker shows ads; AI×倍速×アファーメーション does not.

### Which is updated more often, Memo Stacker or AI×倍速×アファーメーション?

Memo Stacker ships an update every 2 weeks, and AI×倍速×アファーメーション every 2 weeks. Most recently, Memo Stacker was updated on October 19, 2026 and AI×倍速×アファーメーション on October 8, 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.*