# NB实验室 vs 智慧中小学HD

The clearest difference is rating: NB实验室 at 4.8 against 智慧中小学HD's 2.7. NB实验室 also leads on ratings volume (87 vs 19) and device support (3 vs 1). 智慧中小学HD's advantage is in-app purchases (none vs 41). On price, review sentiment, update cadence and ads 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. 智慧中小学HD asks for nothing beyond the download.

NB实验室 holds the better App Store score, 4.8 against 2.7. Both are backed by a comparable volume of ratings — 87 and 19 respectively. Written reviews complicate that: 72% of NB实验室's written reviews are positive against 80% of 智慧中小学HD's, so the app with the better star average is not the one people write more warmly about.

NB实验室 ships an update fortnightly, 智慧中小学HD every 3 weeks. The most recent releases landed on October 15, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NB实验室 | 智慧中小学HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (87 ratings)](https://appshunter.io/ios/app/nb/id1265400377/reviews)** | [2.7 (19 ratings)](https://appshunter.io/ios/app/hd/id6446274221/reviews) |
| Number of ratings | **87** | 19 |
| Positive reviews | 72.3% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 81 MB | 393 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [BeiJing LeBu Educational Technology Co., Ltd.](https://appshunter.io/developer/943806906) | [中央电化教育馆](https://appshunter.io/developer/859027791) |

## What reviewers say

### 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 |


### 智慧中小学HD

[App page](https://appshunter.io/ios/app/hd/id6446274221)

This platform provides professional, high-quality, and systematic educational services for primary and secondary schools, teachers, students, and parents. It aims to reduce educational disparities and promote balanced development through digital technology, offering a wide range of resources and functional services.

**Highlights:** Comprehensive educational resources, Support for various learning scenarios, Teacher professional development, Home-school interaction, Personalized and intelligent services, Reduces educational disparities

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NB实验室 free?

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

### Is 智慧中小学HD free?

智慧中小学HD is free to download, with no in-app purchases.

### Which has better reviews, NB实验室 or 智慧中小学HD?

NB实验室 is rated higher. NB实验室 averages 4.8 out of 5 from 87 ratings, while 智慧中小学HD averages 2.7 from 19 ratings.

### Do NB实验室 or 智慧中小学HD have ads?

Neither NB实验室 nor 智慧中小学HD shows ads.

### Which is updated more often, NB实验室 or 智慧中小学HD?

NB实验室 ships an update fortnightly, and 智慧中小学HD every 3 weeks. Most recently, NB实验室 was updated on October 15, 2026 and 智慧中小学HD on October 10, 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.*