# memory.wiki vs Gridpaper

The clearest difference is update cadence: memory.wiki at every 5 days against Gridpaper's monthly. On price, ads, 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.

memory.wiki ships an update every 5 days, Gridpaper monthly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | memory.wiki | Gridpaper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Monthly |
| Size | 10 MB | 8 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hyunsang Cho](https://appshunter.io/developer/1844111032) | [IEUMGYEOL](https://appshunter.io/developer/6789581623) |

## What reviewers say

### memory.wiki

[App page](https://appshunter.io/ios/app/memorywiki/id6774713489)

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

**In-app purchases:** none


### Gridpaper

[App page](https://appshunter.io/ios/app/gridpaper-to-do-and-diary/id6799682689)

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

**In-app purchases:** none


## Frequently asked questions

### Is memory.wiki free?

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

### Is Gridpaper free?

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

### Do memory.wiki or Gridpaper have ads?

Neither memory.wiki nor Gridpaper shows ads.

### Which is updated more often, memory.wiki or Gridpaper?

memory.wiki ships an update every 5 days, and Gridpaper monthly. Most recently, memory.wiki was updated on October 28, 2026 and Gridpaper on October 31, 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.*