# Obius vs Memol

The clearest difference is in-app purchases: Memol at none against Obius's 4. Memol also leads on update cadence (every 2 days vs weekly) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

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

Obius ships an update weekly, Memol every 2 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Obius | Memol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 23 MB | 4 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Demetri Hodges](https://appshunter.io/developer/1886797794) | [LINKAKU inc.](https://appshunter.io/developer/1868920196) |

## What reviewers say

### 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 |


### Memol

[App page](https://appshunter.io/ios/app/memol-notes-sharing-ai/id6766265966)

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

**In-app purchases:** none


## Frequently asked questions

### Is Obius free?

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

### Is Memol free?

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

### Do Obius or Memol have ads?

Neither Obius nor Memol shows ads.

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

Obius ships an update weekly, and Memol every 2 days. Most recently, Obius was updated on October 5, 2026 and Memol on October 11, 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.*