# Buddy AI Note vs ObsiKO

The clearest difference is in-app purchases: ObsiKO at none against Buddy AI Note's 4. ObsiKO also leads on device support (4 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Buddy AI Note sells 4 in-app purchases, starting at $19.99 per month. ObsiKO asks for nothing beyond the download.

Buddy AI Note ships an update every 4 days, ObsiKO every 6 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Buddy AI Note | 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 | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 6 days |
| Monetization | — | Free |
| Size | 81 MB | 77 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [PodTech Corp.](https://appshunter.io/developer/1861424016) | [Hyojin Kim](https://appshunter.io/developer/6783405453) |

## What reviewers say

### Buddy AI Note

[App page](https://appshunter.io/ios/app/buddy-ai-note/id6756564646)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| Pro Max | $49.99 | per month |
| Pro | $179.00 | per year |
| Pro Max | $419.00 | per year |


### 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 Buddy AI Note free?

Buddy AI Note is free to download, with in-app purchases available.

### Is ObsiKO free?

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

### Do Buddy AI Note or ObsiKO have ads?

Neither Buddy AI Note nor ObsiKO shows ads.

### Which is updated more often, Buddy AI Note or ObsiKO?

Buddy AI Note ships an update every 4 days, and ObsiKO every 6 days. Most recently, Buddy AI Note was updated on October 30, 2026 and ObsiKO on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*