# iDea vs Kioku

The clearest difference is update cadence: Kioku at every 2 days against iDea's monthly. iDea's advantage is iOS requirement (18.6 vs 26.0). 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.

iDea ships an update monthly, Kioku every 2 days. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | iDea | Kioku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/idea-capture-ideas/id6761982472/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | Free | — |
| Size | 3 MB | 51 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bojan Pletikapa](https://appshunter.io/developer/1892291069) | [Kai Kang](https://appshunter.io/developer/1757164832) |

## What reviewers say

### iDea

[App page](https://appshunter.io/ios/app/idea-capture-ideas/id6761982472)

This app offers a serene and uncluttered environment to capture, organize, and nurture your thoughts and inspirations. It prioritizes a natural, accessible, and distraction-free experience for saving everything from fleeting notions to future projects.

**Highlights:** Quick idea capture, Organized thought management, Track idea status, Minimalist design, Activity statistics, Siri integration, Gentle reminders

**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 iDea free?

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

### Is Kioku free?

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

### Do iDea or Kioku have ads?

Neither iDea nor Kioku shows ads.

### Which is updated more often, iDea or Kioku?

iDea ships an update monthly, and Kioku every 2 days. Most recently, iDea was updated on October 8, 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.*