# BUKOO vs 三省

The clearest difference is monetization model: BUKOO at free against 三省's free with in-app purchases. BUKOO also leads on iOS requirement (13.0 vs 17.0). 三省's advantage is device support. On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. BUKOO sells 1 one-off in-app purchase and 三省 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 BUKOO against 5.0 for 三省. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

## The numbers

| Metric | BUKOO | 三省 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/bukoo/id6462788475/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/id6470999911/reviews) |
| Number of ratings | 2 | 2 |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Every 6 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 30 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Xuzhou Deyue Software Development Co., Ltd](https://appshunter.io/developer/1699170313) | [嘉达 黄](https://appshunter.io/developer/1708566399) |

## What reviewers say

### BUKOO

[App page](https://appshunter.io/ios/app/bukoo/id6462788475)

Discover unique and high-quality wallpapers for your iPhone. This app offers daily updates with a wide variety of styles, from anime to minimalist, all optimized for iPhone screens. Enjoy a clean, ad-free experience with easy one-tap wallpaper setting.

**Highlights:** Daily wallpaper updates, Diverse styles (anime, minimalist, cool), One-tap wallpaper setting, Optimized for all iPhone sizes, Ad-free experience

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 请喝咖啡 | $0.99 | one-time |


### 三省

[App page](https://appshunter.io/ios/app/id6470999911)

This cognitive tool uses cards for recording, reviewing, and self-dialogue to aid memory and clear thinking. It offers flexible input methods, knowledge networking, and visual mind mapping to enhance understanding and reflection.

**Highlights:** Card input (typing & handwriting), Bidirectional knowledge linking, Visual mind maps, Self-dialogue mechanism, Spaced repetition review, Cognitive graph building

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ThreeTimes - Monthly Plan | $2.99 | per month |
| ThreeTimes - Yearly Plan | $4.99 | per year |
| ThreeTimes - Lifetime Plan | $9.99 | one-time |


## Frequently asked questions

### Is BUKOO free?

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

### Is 三省 free?

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

### Which has better reviews, BUKOO or 三省?

BUKOO and 三省 are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

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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.*