# Diary AI vs Kipin

The clearest difference is price: Kipin at Free against Diary AI's $0.99. Kipin also leads on update cadence (every 3 weeks vs every 16 months) and iOS requirement (15.5 vs 17.0). Diary AI's advantage is in-app purchases (none vs 2) and ads (none vs shown). On device support there is nothing between them.

Kipin is free to download; Diary AI costs $0.99 up front. Kipin sells 2 in-app purchases, starting at $1.99 per month. Diary AI asks for nothing beyond the download.

Diary AI ships an update every 16 months, Kipin every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Diary AI | Kipin |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/kipin-save-links-and-notes/id6790818563/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 86 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Juiko Ong](https://appshunter.io/developer/639263890) | [sanghun jeong](https://appshunter.io/developer/6790818156) |

## What reviewers say

### Diary AI

[App page](https://appshunter.io/ios/app/diary-ai/id6532618062)

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

**In-app purchases:** none


### Kipin

[App page](https://appshunter.io/ios/app/kipin-save-links-and-notes/id6790818563)

Easily save and organize links, screenshots, and notes in one place. "Share to Save" functionality allows quick collection of inspiration without leaving other apps. Customize categories and access your saved content offline.

**Highlights:** Save links, screenshots, and notes in one tap, Organize content by custom categories, Quick search functionality, Offline access to saved content, Personalized themes and dark mode, Secure local storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kipin Pro Monthly | $1.99 | per month |
| Kipin Pro | $20.99 | one-time |


## Frequently asked questions

### Is Diary AI free?

Diary AI costs $0.99, with no in-app purchases.

### Is Kipin free?

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

### Do Diary AI or Kipin have ads?

Kipin shows ads; Diary AI does not.

### Which is updated more often, Diary AI or Kipin?

Diary AI ships an update every 16 months, and Kipin every 3 weeks. Most recently, Diary AI was updated on October 30, 2026 and Kipin on November 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.*