# ObsiKO vs Referat

The clearest difference is price: ObsiKO at Free against Referat's $4.99. ObsiKO also leads on device support (4 vs 1) and iOS requirement (15.1 vs 17.0). On update cadence, ads and in-app purchases there is nothing between them.

ObsiKO is free to download; Referat costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ObsiKO ships an update every 6 days, Referat every 4 days. The most recent releases landed on November 10, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | ObsiKO | Referat |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obsiko-ai-note-plus-mindmap/id6783405451/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 82 MB | 5 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hyojin Kim](https://appshunter.io/developer/6783405453) | [Commanigy](https://appshunter.io/developer/379605563) |

## What reviewers say

### ObsiKO

[App page](https://appshunter.io/ios/app/obsiko-ai-note-plus-mindmap/id6783405451)

This app combines note-taking, mind mapping, and file management with AI assistance. It supports handwritten notes, custom planners, and integrates with Obsidian vaults. Features include a focus timer, web sharing via GitHub, and a unique graph visualization.

**Highlights:** AI-assisted note-taking and mind mapping, Handwritten notes with real paper textures, Focus timer with Lock Screen integration, GitHub integration for sharing and syncing, Interactive graph visualization of knowledge, Support for Obsidian vaults (.md, .canvas), Korean language dictionary and spell checker

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Referat

[App page](https://appshunter.io/ios/app/referat-ai-meeting-notes/id6815136431)

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

**In-app purchases:** none


## Frequently asked questions

### Is ObsiKO free?

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

### Is Referat free?

Referat costs $4.99, with no in-app purchases.

### Do ObsiKO or Referat have ads?

Neither ObsiKO nor Referat shows ads.

### Which is updated more often, ObsiKO or Referat?

ObsiKO ships an update every 6 days, and Referat every 4 days. Most recently, ObsiKO was updated on November 10, 2026 and Referat on November 12, 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.*