# Sheet Notes vs ObsiKO

The clearest difference is iOS requirement: ObsiKO at 15.1 against Sheet Notes's 26.1. 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.

## The numbers

| Metric | Sheet Notes | ObsiKO |
| --- | --- | --- |
| Price | Free | Free |
| 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 |
| Monetization | — | Free |
| Size | 15 MB | 77 MB |
| Requires iOS | 26.1 | **15.1** |
| Devices | iPhone, iPad, Mac | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Dan Olov Hyllengren](https://appshunter.io/developer/480729834) | [Hyojin Kim](https://appshunter.io/developer/6783405453) |

## What reviewers say

### Sheet Notes

[App page](https://appshunter.io/ios/app/sheet-notes/id6757722606)

**Features:** Vision Pro support

**In-app purchases:** none


### ObsiKO

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

This app integrates writing, knowledge management, and mind mapping with AI assistance. It supports various file formats and offers unique features for Korean language users, including a focus timer and GitHub syncing for secure data management.

**Highlights:** AI-assisted writing and mind mapping, Supports Obsidian vaults (.md, .canvas, .base), Korean dictionary and spell checker, Lock Screen focus timer, GitHub sharing and syncing, Automatic note connection and organization, Infinite mind-map canvas with Apple Pencil support

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

**In-app purchases:** none


## Frequently asked questions

### Is Sheet Notes free?

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

### Is ObsiKO free?

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

### Do Sheet Notes or ObsiKO have ads?

Neither Sheet Notes nor ObsiKO shows ads.

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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.*