# 포스트킷 vs ThinkScan AI

The clearest difference is in-app purchases: 포스트킷 at none against ThinkScan AI's 2. 포스트킷 also leads on update cadence (every 4 days vs monthly). ThinkScan AI's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ThinkScan AI sells 2 in-app purchases, starting at $3.99 per month. 포스트킷 asks for nothing beyond the download.

포스트킷 ships an update every 4 days, ThinkScan AI monthly. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | 포스트킷 | ThinkScan AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Monthly |
| Size | 41 MB | 25 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [jung hyeon kim](https://appshunter.io/developer/1700174872) | [Lychee Isle Co](https://appshunter.io/developer/1651467135) |

## What reviewers say

### 포스트킷

[App page](https://appshunter.io/ios/app/postkit/id6470146461)

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

**In-app purchases:** none


### ThinkScan AI

[App page](https://appshunter.io/ios/app/thinkscan-ai/id6748367088)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Annual | $29.99 | per year |


## Frequently asked questions

### Is 포스트킷 free?

포스트킷 is free to download, with no in-app purchases.

### Is ThinkScan AI free?

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

### Do 포스트킷 or ThinkScan AI have ads?

포스트킷 shows ads; ThinkScan AI does not.

### Which is updated more often, 포스트킷 or ThinkScan AI?

포스트킷 ships an update every 4 days, and ThinkScan AI monthly. Most recently, 포스트킷 was updated on October 7, 2026 and ThinkScan AI on October 2, 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.*