# Obius vs MemoFlow

The clearest difference is monetization model: MemoFlow at free against Obius's freemium. MemoFlow also leads on iOS requirement (15.5 vs 17.0). Obius's advantage is update cadence (weekly vs every 4 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 and MemoFlow sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

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

Obius ships an update weekly, MemoFlow every 4 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Obius | MemoFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/obius-notes-that-evolve/id6760918821/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/memoflow-memos-client/id6780216676/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | Freemium | **Free** |
| Size | 23 MB | 77 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Demetri Hodges](https://appshunter.io/developer/1886797794) | [周财 韩](https://appshunter.io/developer/6777857251) |

## 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 |


### MemoFlow

[App page](https://appshunter.io/ios/app/memoflow-memos-client/id6780216676)

This app synchronizes notes across devices by connecting to a self-hosted server or using local storage. It offers features like tags, attachments, and search for organizing thoughts, daily journaling, and personal knowledge management.

**Highlights:** Connect to self-hosted Memos server, Local-first note-taking, Tagging and attachments, Search functionality, Multiple viewing modes, Cross-device synchronization

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support MemoFlow | $0.99 | one-time |
| 汉堡 | $2.99 | one-time |
| Fried Chicken Tip | $3.99 | one-time |
| Extra Meal Tip | $9.99 | one-time |


## Frequently asked questions

### Is Obius free?

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

### Is MemoFlow free?

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

### Which has better reviews, Obius or MemoFlow?

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

### Do Obius or MemoFlow have ads?

Neither Obius nor MemoFlow shows ads.

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

Obius ships an update weekly, and MemoFlow every 4 weeks. Most recently, Obius was updated on October 24, 2026 and MemoFlow on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*