# Thought Sweep vs Obius

The clearest difference is in-app purchases: Thought Sweep at none against Obius's 4. Thought Sweep also leads on iOS requirement (15.0 vs 17.0). Obius's advantage is ads (none vs shown). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Obius sells 4 in-app purchases, starting at $4.99 per month. Thought Sweep asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Thought Sweep against 5.0 for Obius. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Thought Sweep | Obius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/thought-sweep/id6752923313/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | Weekly |
| Monetization | **Ad-supported** | Freemium |
| Size | 29 MB | 23 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Thought Sweep](https://appshunter.io/developer/1841796205) | [DAED LLC](https://appshunter.io/developer/1886797794) |

## What reviewers say

### Thought Sweep

[App page](https://appshunter.io/ios/app/thought-sweep/id6752923313)

Capture and organize your thoughts, ideas, and to-dos effortlessly. This app allows you to save anything in seconds and sort it later using a personalized category system. It's designed for fast-moving minds to ensure no important idea gets lost.

**Highlights:** Capture thoughts instantly, Sort ideas later, Personalized category system, Tinder-like thought swiping, Priority to-do tiers, People-centric note organization

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

**In-app purchases:** none


### 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 Thought Sweep free?

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

### Is Obius free?

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

### Which has better reviews, Thought Sweep or Obius?

Thought Sweep and Obius are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Thought Sweep or Obius have ads?

Thought Sweep shows ads; Obius does not.

### Which is updated more often, Thought Sweep or Obius?

Thought Sweep ships an update weekly, and Obius weekly. Most recently, Thought Sweep was updated on October 30, 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.*