# Science Experiments by Dencity vs BJSS

The clearest difference is in-app purchases: BJSS at none against Science Experiments by Dencity's 10. BJSS also leads on ads (none vs shown). Science Experiments by Dencity's advantage is device support (3 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Science Experiments by Dencity sells 10 in-app purchases, starting at $0.99 per month. BJSS asks for nothing beyond the download.

Science Experiments by Dencity ships an update every 3 weeks, BJSS every 5 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Science Experiments by Dencity | BJSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/science-experiments-by-dencity/id6670542048/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 1.2 GB | 56 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Techventions](https://appshunter.io/developer/1766707643) | [Umer Farooque](https://appshunter.io/developer/1498742362) |

## What reviewers say

### Science Experiments by Dencity

[App page](https://appshunter.io/ios/app/science-experiments-by-dencity/id6670542048)

This virtual science lab offers interactive 3D experiments for students in grades 6-12. Explore physics, chemistry, and biology concepts with step-by-step guidance and real-time calculations. Collaborate with teachers and classmates in a virtual classroom environment.

**Highlights:** Interactive 3D science lab simulator, 400+ experiments in Physics, Chemistry, Biology, Step-by-step guidance with theory, Virtual classroom collaboration, Real-time calculations and parameter changes, Safe chemical mixing and physics simulations

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Class 10 Experiments | $0.99 | per month |
| Class 11 Experiments | $0.99 | per month |
| Class 12 Experiments | $0.99 | per month |
| Class 6 Experiments | $0.99 | per month |
| Class 7 Experiments | $0.99 | per month |
| Class 8 Experiments | $0.99 | per month |
| Class 9 Experiments | $0.99 | per month |
| Class 7 Experiments | $1.99 | per month |
| Class 6 Experiments | $1.99 | per month |
| Class 6 | $4.99 | per month |


### BJSS

[App page](https://appshunter.io/ios/app/bjss/id6762085679)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Science Experiments by Dencity free?

Science Experiments by Dencity is free to download, with in-app purchases available.

### Is BJSS free?

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

### Do Science Experiments by Dencity or BJSS have ads?

Science Experiments by Dencity shows ads; BJSS does not.

### Which is updated more often, Science Experiments by Dencity or BJSS?

Science Experiments by Dencity ships an update every 3 weeks, and BJSS every 5 weeks. Most recently, Science Experiments by Dencity was updated on October 30, 2026 and BJSS on November 5, 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.*