# Calendar Notes Pro vs Ki

The clearest difference is in-app purchases: Calendar Notes Pro at none against Ki's 1. Calendar Notes Pro also leads on iOS requirement (15.1 vs 18.6). Ki's advantage is ads (none vs shown). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Ki sells 1 one-off in-app purchase. Calendar Notes Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Calendar Notes Pro against 5.0 for Ki. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Calendar Notes Pro ships an update daily, Ki every 2 days. The most recent releases landed on June 29, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Calendar Notes Pro | Ki |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/calendar-notes-pro/id6757369920/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ki-note/id6761021371/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 days |
| Monetization | Ad-supported | **Free** |
| Size | 35 MB | 4 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alok Haldiya](https://appshunter.io/developer/1866422343) | [Juan Casanueva](https://appshunter.io/developer/427769040) |

## What reviewers say

### Calendar Notes Pro

[App page](https://appshunter.io/ios/app/calendar-notes-pro/id6757369920)

This app integrates your calendar and notes into a single, minimalist interface. View notes directly on your calendar and enjoy instant auto-save for a stress-free organization experience. It prioritizes privacy by storing all data locally on your device.

**Highlights:** Notes displayed on calendar, Instant auto-save, Minimalist design, Tap to write notes, Fully offline functionality, Local data storage

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Calendar Notes Pro free?

Calendar Notes Pro is free to download, with no in-app purchases.

### Is Ki free?

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

### Which has better reviews, Calendar Notes Pro or Ki?

Calendar Notes Pro and Ki are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Calendar Notes Pro or Ki have ads?

Calendar Notes Pro shows ads; Ki does not.

### Which is updated more often, Calendar Notes Pro or Ki?

Calendar Notes Pro ships an update daily, and Ki every 2 days. Most recently, Calendar Notes Pro was updated on June 29, 2026 and Ki on September 10, 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.*