# Sticky Notes vs Kioku

The clearest difference is ads: Kioku at none against Sticky Notes's shown. Kioku also leads on update cadence (every 2 days vs every 7 months). Sticky Notes's advantage is iOS requirement (18.0 vs 26.0). 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.

Sticky Notes ships an update every 7 months, Kioku every 2 days. The most recent releases landed on September 27, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Sticky Notes | Kioku |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 2 days** |
| Size | 6 MB | 51 MB |
| Requires iOS | **18.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jun Tsuda](https://appshunter.io/developer/1624900893) | [Kai Kang](https://appshunter.io/developer/1757164832) |

## What reviewers say

### Sticky Notes

[App page](https://appshunter.io/ios/app/sticky-notes-brainstorming/id6758299734)

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

**In-app purchases:** none


### Kioku

[App page](https://appshunter.io/ios/app/kioku-private-second-brain/id6762234661)

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

**In-app purchases:** none


## Frequently asked questions

### Is Sticky Notes free?

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

### Is Kioku free?

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

### Do Sticky Notes or Kioku have ads?

Sticky Notes shows ads; Kioku does not.

### Which is updated more often, Sticky Notes or Kioku?

Sticky Notes ships an update every 7 months, and Kioku every 2 days. Most recently, Sticky Notes was updated on September 27, 2026 and Kioku on September 29, 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.*