# Ki vs Aino

The clearest difference is monetization model: Ki at free against Aino's freemium. Ki also leads on update cadence (every 2 days vs every 4 days). Aino's advantage is iOS requirement (15.1 vs 18.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Ki sells 1 one-off in-app purchase and Aino sells 3 in-app purchases, starting at $2.99 per month. 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 Ki against 5.0 for Aino. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Ki ships an update every 2 days, Aino every 4 days. Both last shipped on September 29, 2026.

## The numbers

| Metric | Ki | Aino |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/ki-note/id6761021371/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/aino-markdown-workspace/id6761245785/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 4 days |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 62 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Casanueva](https://appshunter.io/developer/427769040) | [宜丙 林](https://appshunter.io/developer/1888184895) |

## What reviewers say

### Ki

[App page](https://appshunter.io/ios/app/ki-note/id6761021371)

Capture, organize, and connect all your learning in one place. This app allows you to save notes, links, code snippets, and ideas, then link them together to build a web of knowledge. Find anything fast with full-text search and visual knowledge graphs.

**Highlights:** Capture notes, links, quotes, code snippets, and ideas, Organize with color-coded tags and custom topics, Connect notes with bidirectional linking, Visualize knowledge with interactive graphs, Full-text search and saved searches, Quick capture via floating button and widgets, Review workflow for managing notes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $0.99 | one-time |


### Aino

[App page](https://appshunter.io/ios/app/aino-markdown-workspace/id6761245785)

A fast, focused Markdown workspace for building a personal knowledge system. Connect ideas and turn notes into a structured, evolving network. Ideal for capturing thoughts, organizing knowledge, or building your second brain with a clean and powerful interface.

**Highlights:** Markdown-first editing, Connected notes, Structured thinking, Focused experience, Personal LifeOS, Link ideas

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aino Pro Monthly | $2.99 | per month |
| Aino Pro Founder Yearly | $19.99 | per year |
| Aino Pro Yearly | $24.99 | per year |


## Frequently asked questions

### Is Ki free?

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

### Is Aino free?

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

### Which has better reviews, Ki or Aino?

Ki and Aino are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Ki or Aino have ads?

Neither Ki nor Aino shows ads.

### Which is updated more often, Ki or Aino?

Ki ships an update every 2 days, and Aino every 4 days. Most recently, Ki was updated on September 29, 2026 and Aino on September 29, 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.*