# Flashnote vs 忘却曲線

The clearest difference is ads: 忘却曲線 at none against Flashnote's shown. 忘却曲線 also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (15.5 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Flashnote ships an update every 2 weeks, 忘却曲線 every 5 days. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Flashnote | 忘却曲線 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 19 MB | 94 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ATSUKI SUZUKI](https://appshunter.io/developer/1812681778) | [Mitsuo Watabe](https://appshunter.io/developer/6788107915) |

## What reviewers say

### Flashnote

[App page](https://appshunter.io/ios/app/flashnote-flashcards-app/id6745518841)

**Features:** macOS Compatibility

**In-app purchases:** none


### 忘却曲線

[App page](https://appshunter.io/ios/app/id6799765993)

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

**In-app purchases:** none


## Frequently asked questions

### Is Flashnote free?

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

### Is 忘却曲線 free?

忘却曲線 is free to download, with no in-app purchases.

### Do Flashnote or 忘却曲線 have ads?

Flashnote shows ads; 忘却曲線 does not.

### Which is updated more often, Flashnote or 忘却曲線?

Flashnote ships an update every 2 weeks, and 忘却曲線 every 5 days. Most recently, Flashnote was updated on October 20, 2026 and 忘却曲線 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.*