# 英语入门999句 vs Physics Lab Pro

The clearest difference is review sentiment: Physics Lab Pro at 100% against 英语入门999句's 84%. Physics Lab Pro also leads on rating (5.0 vs 4.8). 英语入门999句's advantage is ratings volume (9 vs 1) and iOS requirement (7.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Physics Lab Pro holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 英语入门999句 has 9 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 84% of 英语入门999句's written reviews are positive against 100% of Physics Lab Pro's.

## The numbers

| Metric | 英语入门999句 | Physics Lab Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (9 ratings)](https://appshunter.io/ios/app/999/id1119498500/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/physics-lab-pro/id6756887444/reviews)** |
| Number of ratings | **9** | 1 |
| Positive reviews | 84.2% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | Free | Free |
| Size | 72 MB | 25 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [海云 吴](https://appshunter.io/developer/1078143101) | [Nhat Minh Nguyen](https://appshunter.io/developer/1863451535) |

## What reviewers say

### 英语入门999句

[App page](https://appshunter.io/ios/app/999/id1119498500)

Learn essential English phrases with bilingual subtitles and standard American pronunciation. This app offers offline word lookups, vocabulary saving, and adjustable playback speeds for effective self-study.

**Highlights:** Bilingual synchronized subtitles, Standard American pronunciation, Offline word lookup, Vocabulary saving, Adjustable playback speed, Sleep timer

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

**In-app purchases:** none


### Physics Lab Pro

[App page](https://appshunter.io/ios/app/physics-lab-pro/id6756887444)

Explore physics concepts through interactive simulations and visual experiments. Create objects, manipulate physical forces, and track your progress with detailed analytics. This app offers a modern design and intuitive controls for an engaging learning experience.

**Highlights:** Interactive physics simulation, Object creation tools, Adjustable physics controls, Learning analytics and progress tracking, Modern design with visual themes, Save and load custom simulations

**In-app purchases:** none


## Frequently asked questions

### Is 英语入门999句 free?

英语入门999句 is free to download, with no in-app purchases.

### Is Physics Lab Pro free?

Physics Lab Pro is free to download, with no in-app purchases.

### Which has better reviews, 英语入门999句 or Physics Lab Pro?

Physics Lab Pro is rated higher. 英语入门999句 averages 4.8 out of 5 from 9 ratings, while Physics Lab Pro averages 5.0 from 1 ratings.

### Do 英语入门999句 or Physics Lab Pro have ads?

Neither 英语入门999句 nor Physics Lab Pro shows ads.

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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.*