# ObsiKO vs DoTree

The clearest difference is update cadence: DoTree at every 2 days against ObsiKO's every 6 days. ObsiKO's advantage is iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for ObsiKO against 5.0 for DoTree. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ObsiKO ships an update every 6 days, DoTree every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | ObsiKO | DoTree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/obsiko-ai-note-plus-mindmap/id6783405451/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/dotree-task-organizer/id6787357813/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 2 days** |
| Monetization | Free | Free |
| Size | 77 MB | 5 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Hyojin Kim](https://appshunter.io/developer/6783405453) | [Lars Bruckschen](https://appshunter.io/developer/1884141282) |

## What reviewers say

### 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


### DoTree

[App page](https://appshunter.io/ios/app/dotree-task-organizer/id6787357813)

Organize tasks and projects with an unlimited, nested structure. Prioritize tasks using an Eisenhower matrix and forecast your workload. Dictate tasks and sync with Apple Calendar and Reminders.

**Highlights:** Unlimited nested task structure, Active view for prioritized tasks, Eisenhower matrix for urgency/importance, Workload forecasting, Voice dictation for task creation, Integration with Apple Calendar and Reminders, Data export to JSON

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ObsiKO free?

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

### Is DoTree free?

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

### Which has better reviews, ObsiKO or DoTree?

ObsiKO and DoTree are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ObsiKO or DoTree have ads?

Neither ObsiKO nor DoTree shows ads.

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

ObsiKO ships an update every 6 days, and DoTree every 2 days. Most recently, ObsiKO was updated on October 31, 2026 and DoTree on October 31, 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.*