# 小黑盒 vs Sing Key Practice Notes2026

The clearest difference is price: 小黑盒 at Free against Sing Key Practice Notes2026's $0.29. 小黑盒 also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.3 vs 15.6). Sing Key Practice Notes2026's advantage is in-app purchases (none vs 8). On ads and device support there is nothing between them.

小黑盒 is free to download; Sing Key Practice Notes2026 costs $0.29 up front. 小黑盒 sells 8 one-off in-app purchases. Sing Key Practice Notes2026 asks for nothing beyond the download.

小黑盒 ships an update fortnightly, Sing Key Practice Notes2026 every 2 months. The most recent releases landed on October 17, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 小黑盒 | Sing Key Practice Notes2026 |
| --- | --- | --- |
| Price | **Free** | $0.29 |
| Rating | **[4.5 (1.3K ratings)](https://appshunter.io/ios/app/id1244505010/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 240 MB | 1 MB |
| Requires iOS | **13.3** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Qingfeng(Beijing)Technology Co., Ltd.](https://appshunter.io/developer/990892582) | [Nanjing Yunxiaochuang Technology Co., Ltd](https://appshunter.io/developer/1454457703) |

## What reviewers say

### 小黑盒

[App page](https://appshunter.io/ios/app/id1244505010)

This app is a comprehensive platform for gamers, offering news, tools, community features, and performance tracking across multiple gaming platforms. It helps players discover deals, track game stats, and access a wealth of gaming information and resources.

**Highlights:** Multi-platform data binding, Game performance tracking, Deal and discount alerts, In-game item shop checker, Comprehensive game encyclopedia, Player community forums, Curated gaming news

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 0.7黑米 | $0.99 | one-time |
| 4.2黑米 | $0.99 | one-time |
| 8.4黑米 | $1.99 | one-time |
| 12.6黑米 | $2.99 | one-time |
| 21黑米 | $4.99 | one-time |
| 47.6黑米 | $9.99 | one-time |
| 89.6黑米 | $19.99 | one-time |
| 362.6黑米 | $79.99 | one-time |

**What reviewers like**

- 👍 Convenient game information
- 🚀 Fast updates
- 💡 Useful features like game price comparison and playtime tracking
- 🎮 Great platform for gamers

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔒 Security concerns with account binding
- 📢 Excessive ads and notifications
- 🤖 Questionable moderation and user behavior

**Reported bugs**

- Inability to set custom account names
- Verification code issues for international users
- Inconsistent app performance across devices

**Requested features**

- Dark mode option
- Improved account management and security
- Better content curation and moderation
- Cross-platform support (e.g. Switch, mobile)


### Sing Key Practice Notes2026

[App page](https://appshunter.io/ios/app/sing-key-practice-notes2026/id6780984856)

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

**In-app purchases:** none


## Frequently asked questions

### Is 小黑盒 free?

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

### Is Sing Key Practice Notes2026 free?

Sing Key Practice Notes2026 costs $0.29, with no in-app purchases.

### Do 小黑盒 or Sing Key Practice Notes2026 have ads?

Neither 小黑盒 nor Sing Key Practice Notes2026 shows ads.

### Which is updated more often, 小黑盒 or Sing Key Practice Notes2026?

小黑盒 ships an update fortnightly, and Sing Key Practice Notes2026 every 2 months. Most recently, 小黑盒 was updated on October 17, 2026 and Sing Key Practice Notes2026 on October 16, 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.*