# TagNote vs Obius

TagNote and Obius are too close to call on the numbers: across 7 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. TagNote sells 3 in-app purchases, starting at $1.99 per month and Obius sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

TagNote ships an update every 5 days, Obius weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | TagNote | Obius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 9 MB | 23 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jonggyou Kim](https://appshunter.io/developer/1768080207) | [DAED LLC](https://appshunter.io/developer/1886797794) |

## What reviewers say

### TagNote

[App page](https://appshunter.io/ios/app/tagnote-multi-tagging-notes/id6747192758)

This app offers a flexible, tag-based approach to note-taking, moving beyond traditional folder structures. Organize meeting notes, ideas, and web clippings with multiple tags per note, and connect your thoughts to build a personal knowledge network. It features a rich text editor and reminders for important dates.

**Highlights:** Unlimited tags per note, Rich text editor with formatting, Birthday and anniversary reminders, Tag-based knowledge network, Minimalist and distraction-free design, iCloud data synchronization

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| 3-month subscription | $3.99 | per 3 months |
| Annual subscription | $9.99 | per year |


### Obius

[App page](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821)

This app offers a visual workspace for organizing notes and ideas. It allows for reusable content blocks, color-coded sections for intent, and AI-powered features for content generation and semantic search. It prioritizes privacy with local-first storage and end-to-end encryption.

**Highlights:** Visual workspace for notes and ideas, Reusable content blocks (Loops), Color-coded sections by intent, AI-powered content generation and search, Version history and snapshots, Offline functionality and end-to-end encryption

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Obius Pro Founder | $4.99 | per month |
| Obius Pro Monthly | $9.99 | per month |
| Pro Annual | $79.99 | per year |
| Power Pack | $9.99 | one-time |


## Frequently asked questions

### Is TagNote free?

TagNote is free to download, with in-app purchases available.

### Is Obius free?

Obius is free to download, with in-app purchases available.

### Do TagNote or Obius have ads?

Neither TagNote nor Obius shows ads.

### Which is updated more often, TagNote or Obius?

TagNote ships an update every 5 days, and Obius weekly. Most recently, TagNote was updated on November 5, 2026 and Obius on November 5, 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.*