# 史上最难的游戏4：最坑爹的解谜益智游戏 vs PriMemory™

The clearest difference is price: 史上最难的游戏4：最坑爹的解谜益智游戏 at Free against PriMemory™'s $0.99. 史上最难的游戏4：最坑爹的解谜益智游戏 also leads on iOS requirement (6.0 vs 18.0). PriMemory™'s advantage is update cadence (every 3 weeks vs every 31 months) and review sentiment (100% vs 87%). On ads, in-app purchases and device support there is nothing between them.

史上最难的游戏4：最坑爹的解谜益智游戏 is free to download; PriMemory™ costs $0.99 up front. 史上最难的游戏4：最坑爹的解谜益智游戏 sells 4 one-off in-app purchases and PriMemory™ sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

史上最难的游戏4：最坑爹的解谜益智游戏 ships an update every 31 months, PriMemory™ every 3 weeks. Both last shipped on October 13, 2026.

## The numbers

| Metric | 史上最难的游戏4：最坑爹的解谜益智游戏 | PriMemory™ |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/4/id1049327625/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 86.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 3 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 51 MB | 84 MB |
| Requires iOS | **6.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [WEI HUI HE](https://appshunter.io/developer/1150962590) | [TAPQUAD, INC](https://appshunter.io/developer/551904314) |

## What reviewers say

### 史上最难的游戏4：最坑爹的解谜益智游戏

[App page](https://appshunter.io/ios/app/4/id1049327625)

A challenging puzzle game with a humorous, meme-inspired storyline. It tests your logic, creative thinking, and ability to think outside the box with frustrating yet fun gameplay.

**Highlights:** Humorous and meme-based storyline, Challenging puzzle gameplay, Tests logic and creative thinking, Unconventional problem-solving, Addictive and frustrating fun

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Unlock All Hints | $0.99 | one-time |
| 6 hints | $0.99 | one-time |
| 15 hints | $1.99 | one-time |


### PriMemory™

[App page](https://appshunter.io/ios/app/primemory/id1218557642)

This game challenges and trains your memory with sequences of colors and musical tones. Its AI adapts to your playstyle, offering unique challenges with each session. Improve your cognitive abilities and recall skills while enjoying engaging minimalist graphics and a unique soundtrack.

**Highlights:** Adaptive AI engine, Color and musical tone sequences, Progressive difficulty levels, Unique soundtrack, Minimalist graphics, Memory index tracking

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| (3) PriMemory Retries | $0.99 | one-time |
| 620 Stars | $0.99 | one-time |
| (5) PriMemory Retries | $1.99 | one-time |
| 1230 Stars | $1.99 | one-time |
| (8) PriMemory Retries | $2.99 | one-time |
| 3230 Stars | $2.99 | one-time |


## Frequently asked questions

### Is 史上最难的游戏4：最坑爹的解谜益智游戏 free?

史上最难的游戏4：最坑爹的解谜益智游戏 is free to download, with in-app purchases available.

### Is PriMemory™ free?

PriMemory™ costs $0.99, and also offers in-app purchases.

### Do 史上最难的游戏4：最坑爹的解谜益智游戏 or PriMemory™ have ads?

Neither 史上最难的游戏4：最坑爹的解谜益智游戏 nor PriMemory™ shows ads.

### Which is updated more often, 史上最难的游戏4：最坑爹的解谜益智游戏 or PriMemory™?

史上最难的游戏4：最坑爹的解谜益智游戏 ships an update every 31 months, and PriMemory™ every 3 weeks. Most recently, 史上最难的游戏4：最坑爹的解谜益智游戏 was updated on October 13, 2026 and PriMemory™ on October 13, 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.*