# MemNote vs Obius

The clearest difference is in-app purchases: MemNote at none against Obius's 4. MemNote also leads on device support (4 vs 2) and iOS requirement (15.6 vs 17.0). Obius's advantage is update cadence (weekly vs every 2 weeks). On price, rating, ratings volume and ads there is nothing between them.

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

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

MemNote ships an update every 2 weeks, Obius weekly. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | MemNote | Obius |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/memnote-context-aware-memory/id6758226237/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 74 MB | 23 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Random Fact](https://appshunter.io/developer/1871609669) | [Demetri Hodges](https://appshunter.io/developer/1886797794) |

## What reviewers say

### MemNote

[App page](https://appshunter.io/ios/app/memnote-context-aware-memory/id6758226237)

This app automatically anchors your notes to the time, place, and device they were created on, enabling recall through association. It offers a fast, mobile-first experience with offline reliability and cross-platform synchronization.

**Highlights:** Automatic context logging (location, time, device), Recall via association (map and timeline views), Local-first, private, and cloud-synced notes, Markdown native with AI compatibility, Cross-platform synchronization, Fast startup and offline-first reliability

**Features:** 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 MemNote free?

MemNote 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, MemNote or Obius?

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

### Do MemNote or Obius have ads?

Neither MemNote nor Obius shows ads.

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

MemNote ships an update every 2 weeks, and Obius weekly. Most recently, MemNote was updated on October 3, 2026 and Obius on October 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.*