# 三省笔记 vs PicSize Photo Tools

The clearest difference is in-app purchases: PicSize Photo Tools at none against 三省笔记's 2. 三省笔记's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.6). On price and ads there is nothing between them.

Both are free to download. 三省笔记 sells 2 in-app purchases, starting at $2.99 per month. PicSize Photo Tools asks for nothing beyond the download.

## The numbers

| Metric | 三省笔记 | PicSize Photo Tools |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 69 MB | 5 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [嘉达 黄](https://appshunter.io/developer/1708566399) | [俐杉 刘](https://appshunter.io/developer/6771998603) |

## What reviewers say

### 三省笔记

[App page](https://appshunter.io/ios/app/ai/id6759858125)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $2.99 | per month |
| Annual Plan | $19.99 | per year |


### PicSize Photo Tools

[App page](https://appshunter.io/ios/app/picsize-photo-tools/id6772012123)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 三省笔记 free?

三省笔记 is free to download, with in-app purchases available.

### Is PicSize Photo Tools free?

PicSize Photo Tools is free to download, with no in-app purchases.

### Do 三省笔记 or PicSize Photo Tools have ads?

Neither 三省笔记 nor PicSize Photo Tools shows ads.

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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.*