# NB实验室 vs 阳光守护孩子版

The clearest difference is review sentiment: NB实验室 at 72% against 阳光守护孩子版's 0%. NB实验室 also leads on rating (4.8 vs 1.0) and update cadence (fortnightly vs every 3 months). 阳光守护孩子版's advantage is in-app purchases (none vs 41) and iOS requirement (8.0 vs 14.0). On price, ratings volume, 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. 阳光守护孩子版 asks for nothing beyond the download.

NB实验室 holds the better App Store score, 4.8 against 1.0. Both are backed by a comparable volume of ratings — 87 and 41 respectively. Written reviews point the same way: 72% of NB实验室's written reviews are positive against 0% of 阳光守护孩子版's.

NB实验室 ships an update fortnightly, 阳光守护孩子版 every 3 months. The most recent releases landed on October 22, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | NB实验室 | 阳光守护孩子版 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (87 ratings)](https://appshunter.io/ios/app/nb/id1265400377/reviews)** | [1.0 (41 ratings)](https://appshunter.io/ios/app/id1401946261/reviews) |
| Number of ratings | **87** | 41 |
| Positive reviews | **72.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 30 MB |
| Requires iOS | 14.0 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeiJing LeBu Educational Technology Co., Ltd.](https://appshunter.io/developer/943806906) | [Heng An Jia Xin (Xiong An) Shu Zhi Ke Ji You Xian Gong Si](https://appshunter.io/developer/620265515) |

## 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 |


### 阳光守护孩子版

[App page](https://appshunter.io/ios/app/id1401946261)

**Features:** macOS Compatibility

**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 阳光守护孩子版 free?

阳光守护孩子版 is free to download, with no in-app purchases.

### Which has better reviews, NB实验室 or 阳光守护孩子版?

NB实验室 is rated higher. NB实验室 averages 4.8 out of 5 from 87 ratings, while 阳光守护孩子版 averages 1.0 from 41 ratings.

### Do NB实验室 or 阳光守护孩子版 have ads?

Neither NB实验室 nor 阳光守护孩子版 shows ads.

### Which is updated more often, NB实验室 or 阳光守护孩子版?

NB实验室 ships an update fortnightly, and 阳光守护孩子版 every 3 months. Most recently, NB实验室 was updated on October 22, 2026 and 阳光守护孩子版 on October 20, 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.*