# Pro Reaction Test vs 隐盒相册

The clearest difference is price: Pro Reaction Test at Free against 隐盒相册's $0.99. Pro Reaction Test also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (15.0 vs 18.0). 隐盒相册's advantage is in-app purchases (none vs 1). On review sentiment, ads and device support there is nothing between them.

Pro Reaction Test is free to download; 隐盒相册 costs $0.99 up front. Pro Reaction Test sells 1 one-off in-app purchase. 隐盒相册 asks for nothing beyond the download.

Pro Reaction Test ships an update every 3 weeks, 隐盒相册 every 3 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Pro Reaction Test | 隐盒相册 |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 9+ | 4+ |
| Developer | [肖龙 刘](https://appshunter.io/developer/1871961899) | [超 韩](https://appshunter.io/developer/1892054133) |

## What reviewers say

### Pro Reaction Test

[App page](https://appshunter.io/ios/app/pro-reaction-test/id6760889996)

Test your reflexes and memory with daily challenges and classic games. Compete with friends using challenge codes for offline play. Track your progress and unlock new features with a one-time purchase.

**Highlights:** Daily reflex and memory challenges, Offline shared challenges with codes, Six classic reaction tests, Two-player reaction duels, Progress tracking and ability charts, Lifetime Pro upgrade for unlimited access

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 终身会员 | $0.99 | one-time |


### 隐盒相册

[App page](https://appshunter.io/ios/app/id6768264459)

Securely store and organize your private photos and videos locally on your iPhone. This app offers a dedicated, encrypted space with intuitive browsing, easy management, and robust locking features to protect your media.

**Highlights:** Local encrypted storage, PIN and biometric lock, Intuitive photo browsing, Album management, Recycle bin for deleted items, Automatic locking on exit/recording

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

**In-app purchases:** none


## Frequently asked questions

### Is Pro Reaction Test free?

Pro Reaction Test is free to download, with in-app purchases available.

### Is 隐盒相册 free?

隐盒相册 costs $0.99, with no in-app purchases.

### Do Pro Reaction Test or 隐盒相册 have ads?

Neither Pro Reaction Test nor 隐盒相册 shows ads.

### Which is updated more often, Pro Reaction Test or 隐盒相册?

Pro Reaction Test ships an update every 3 weeks, and 隐盒相册 every 3 months. Most recently, Pro Reaction Test was updated on October 24, 2026 and 隐盒相册 on October 28, 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.*