# Obsidian vs UCT Chat

The clearest difference is chart position: Obsidian at #129 against UCT Chat's unranked. Obsidian also leads on iOS requirement (15.6 vs 18.5). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Obsidian ships an update every 3 weeks, UCT Chat fortnightly. The most recent releases landed on September 27, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Obsidian | UCT Chat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2.7K ratings)](https://appshunter.io/ios/app/obsidian-connected-notes/id1557175442/reviews)** | — |
| Number of ratings | **2.7K** | — |
| Positive reviews | 62.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | — |
| Best chart rank | **#129** | — |
| Size | 38 MB | 226 MB |
| Requires iOS | **15.6** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dynalist Inc.](https://appshunter.io/developer/1195392807) | [Bangladesh Computer Council - Certifying Authority (BCC-CA)](https://appshunter.io/developer/1825342025) |

## What reviewers say

### Obsidian

[App page](https://appshunter.io/ios/app/obsidian-connected-notes/id1557175442)

**Currently charting:** #129 Top Free · Productivity (US App Store)

Organize your thoughts and ideas with a powerful knowledge base that utilizes local Markdown files. This app acts as your personal second brain, accessible on your mobile device for seamless note-taking and idea connection.

**Highlights:** Local Markdown file storage, Customizable toolbar, Graph view for connections, Community plugins, Themes, iCloud sync

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Powerful features
- 👍 Customizable and flexible
- 🔒 Secure and private
- 💡 Innovative note-taking approach
- 🚀 Smooth mobile experience

**What reviewers complain about**

- 🐛 Sync issues and unreliable iCloud integration
- 🔋 Slow startup and performance issues on mobile
- 👎 Steep learning curve for new users
- 👎 Limited sorting and organization options
- 👎 Lack of WYSIWYG editing on mobile

**Reported bugs**

- Sync issues leading to data loss
- Freezing and crashing on mobile devices
- Editing bugs and text input issues

**Requested features**

- Improved sorting and organization options
- WYSIWYG editing on mobile
- Better integration with other cloud storage services
- More intuitive onboarding process for new users
- Native mobile widgets and share sheet integration


### UCT Chat

[App page](https://appshunter.io/ios/app/uct-chat/id6770838981)

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

**In-app purchases:** none


## Frequently asked questions

### Is Obsidian free?

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

### Is UCT Chat free?

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

### Do Obsidian or UCT Chat have ads?

Neither Obsidian nor UCT Chat shows ads.

### Which is updated more often, Obsidian or UCT Chat?

Obsidian ships an update every 3 weeks, and UCT Chat fortnightly. Most recently, Obsidian was updated on September 27, 2026 and UCT Chat on September 24, 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.*