# kaerumemo vs Marron ToDo

The clearest difference is in-app purchases: kaerumemo at none against Marron ToDo's 3. kaerumemo also leads on ads (none vs shown) and iOS requirement (14.0.0 vs 26.0). Marron ToDo's advantage is update cadence (weekly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Marron ToDo sells 3 in-app purchases, starting at $0.99 per month. kaerumemo asks for nothing beyond the download.

kaerumemo ships an update every 3 months, Marron ToDo weekly. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | kaerumemo | Marron ToDo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Size | 29 MB | 23 MB |
| Requires iOS | **14.0.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shu Matsui](https://appshunter.io/developer/1862815931) | [Kensuke Hoshikawa](https://appshunter.io/developer/733552122) |

## What reviewers say

### kaerumemo

[App page](https://appshunter.io/ios/app/kaerumemo/id6756788644)

**Features:** macOS Compatibility

**In-app purchases:** none


### Marron ToDo

[App page](https://appshunter.io/ios/app/marron-todo/id6760174570)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $7.99 | per year |
| Lifetime Plan | $19.99 | one-time |


## Frequently asked questions

### Is kaerumemo free?

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

### Is Marron ToDo free?

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

### Do kaerumemo or Marron ToDo have ads?

Marron ToDo shows ads; kaerumemo does not.

### Which is updated more often, kaerumemo or Marron ToDo?

kaerumemo ships an update every 3 months, and Marron ToDo weekly. Most recently, kaerumemo was updated on October 9, 2026 and Marron ToDo on October 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.*