# Puzzle School vs NB实验室

The clearest difference is in-app purchases: Puzzle School at none against NB实验室's 41. Puzzle School also leads on review sentiment (93% vs 72%) and ratings volume (622 vs 87). NB实验室's advantage is update cadence (fortnightly vs every 2 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. NB实验室 sells 41 in-app purchases, starting at $4.99 per month. Puzzle School asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Puzzle School against 4.8 for NB实验室. That said, the two scores are not equally well evidenced: Puzzle School has 622 ratings behind it against 87, so its average is the more settled of the two. Written reviews are what separate them: 93% of Puzzle School's written reviews are positive against 72% of NB实验室's.

Puzzle School ships an update every 2 months, NB实验室 fortnightly. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Puzzle School | NB实验室 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (622 ratings)](https://appshunter.io/ios/app/puzzle-school-3d-cube-tutor/id1228471305/reviews) | **[4.8 (87 ratings)](https://appshunter.io/ios/app/nb/id1265400377/reviews)** |
| Number of ratings | **622** | 87 |
| Positive reviews | **92.5% of reviews** | 72.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 122 MB | 81 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FS GIIKER TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1228471304) | [BeiJing LeBu Educational Technology Co., Ltd.](https://appshunter.io/developer/943806906) |

## What reviewers say

### Puzzle School

[App page](https://appshunter.io/ios/app/puzzle-school-3d-cube-tutor/id1228471305)

Learn to solve a scrambled cube with step-by-step 3D animated lessons.  Discover creative patterns to design your cube and track your progress with a professional timer.

**Highlights:** Quick cube solver, Cube pattern designs, Beginner's 3D lessons, Cube timer, Step-by-step solving

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Very helpful for beginners
- 💡 Excellent tutorials and guidance
- 🚀 Fast cube solving/restoration
- 🆓 No payment required (for some)
- 🤩 Makes cubing easy and fun

**What reviewers complain about**

- ⚠️ Ads can be intrusive
- ⚠️ Limited energy/bolts for solving
- 🐛 Network errors when watching ads
- 🐛 Some cubes not solvable
- 🐛 Doesn't work with 2x2 cube

**Reported bugs**

- Network error when trying to watch ads
- App does not work with 2x2 cube
- Tutorial issue with yellow cross leads to infinite loop
- Some cubes are not restorable

**Requested features**

- Add camera input for color selection
- More languages available
- Add 4x4 and 5x5 cube support
- Add more tutorials/formula explanations
- Remove ads or reduce ad energy cost


### NB实验室

[App page](https://appshunter.io/ios/app/nb/id1265400377)

This app offers over 2000 synchronized textbook experiments and 1000 DIY experiment kits for interactive learning. It includes simulated experiment testing, AI-powered guidance, and expert-led video lessons to enhance science education and problem-solving skills.

**Highlights:** 2000+ textbook synchronized experiments, 1000+ DIY experiment kits, Interactive experiment simulation, AI intelligent learning companion, Expert-created knowledge videos, Chapter and knowledge point search

**In-app purchases (41)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 初中物理连续包月(首月免费) | $4.99 | per month |
| 初中化学连续包月(首月免费) | $4.99 | per month |
| 初中生物连续包月(首月免费) | $4.99 | per month |
| 高中物理连续包月(首月免费) | $4.99 | per month |
| 高中化学连续包月(首月免费) | $4.99 | per month |
| 高中生物连续包月(首月免费) | $4.99 | per month |
| 小初套餐连续包月(首月免费) | $14.99 | per month |
| 高中生物连续包半年 | $22.99 | per 6 months |
| 小初套餐连续包两月 | $29.99 | per 2 months |
| 高中化学连续包年 | $39.99 | per year |
| 初中化学连续包年(前 3 天免费) | $39.99 | per year |
| 高中生物连续包年(前 3 天免费) | $39.99 | per year |
| 小初套餐连续包季(前 3 天免费) | $39.99 | per 3 months |
| 小初套餐连续包季 | $39.99 | per 3 months |
| 初中化学1个月会员 | $4.99 | one-time |
| 初中生物1个月会员 | $4.99 | one-time |
| 高中化学1个月会员 | $4.99 | one-time |
| 初中物理1个月会员 | $4.99 | one-time |
| 高中生物1个月会员 | $4.99 | one-time |
| 高中物理1个月会员 | $4.99 | one-time |
| 初中物理1年卡会员 | $39.99 | one-time |
| 高中化学1年卡会员 | $39.99 | one-time |
| 268N币 | $39.99 | one-time |
| 259N币 | $39.99 | one-time |
| 318N币 | $49.99 | one-time |
| 378N币 | $49.99 | one-time |
| 358N币 | $49.99 | one-time |
| 379N币 | $49.99 | one-time |
| 初中物理3年卡会员 | $69.99 | one-time |
| 初中生物3年卡会员 | $69.99 | one-time |
| 小学科学3年卡会员 | $69.99 | one-time |
| 初中化学3年卡会员 | $69.99 | one-time |
| 高中化学3年卡会员 | $69.99 | one-time |
| 高中生物3年卡会员 | $69.99 | one-time |
| 518N币 | $69.99 | one-time |
| 468N币 | $69.99 | one-time |
| 小初套餐年卡 | $99.99 | one-time |
| 758N币 | $99.99 | one-time |
| 777N币 | $99.99 | one-time |
| 小初三年卡套餐 | $199.99 | one-time |
| 初高中套餐6年卡 | $299.99 | one-time |


## Frequently asked questions

### Is Puzzle School free?

Puzzle School is free to download, with no in-app purchases.

### Is NB实验室 free?

NB实验室 is free to download, with in-app purchases available.

### Which has better reviews, Puzzle School or NB实验室?

NB实验室 is rated higher. Puzzle School averages 4.7 out of 5 from 622 ratings, while NB实验室 averages 4.8 from 87 ratings.

### Do Puzzle School or NB实验室 have ads?

Neither Puzzle School nor NB实验室 shows ads.

### Which is updated more often, Puzzle School or NB实验室?

Puzzle School ships an update every 2 months, and NB实验室 fortnightly. Most recently, Puzzle School was updated on October 20, 2026 and NB实验室 on October 19, 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.*