# PraxiLabs vs Science Experiments by Dencity

The clearest difference is rating: Science Experiments by Dencity at 5.0 against PraxiLabs's 4.2. PraxiLabs's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence, device support 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. PraxiLabs asks for nothing beyond the download.

Science Experiments by Dencity holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: PraxiLabs has 5 ratings behind it against 1, so its average is the more settled of the two.

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

## The numbers

| Metric | PraxiLabs | Science Experiments by Dencity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/praxilabs/id6444179075/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/science-experiments-by-dencity/id6670542048/reviews)** |
| Number of ratings | **5** | 1 |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 840 MB | 1.2 GB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Praxilabs](https://appshunter.io/developer/1652841766) | [Techventions](https://appshunter.io/developer/1766707643) |

## What reviewers say

### PraxiLabs

[App page](https://appshunter.io/ios/app/praxilabs/id6444179075)

This app offers a virtual laboratory for students to conduct science experiments safely and interactively. Explore over 186 experiments in Chemistry, Physics, and Biology on any device, receiving real-time feedback to enhance understanding.

**Highlights:** Virtual laboratory environment, Over 186 interactive experiments, Chemistry, Physics, and Biology modules, Real-time feedback on experiments, Safe and risk-free experimentation, Accessible on multiple devices

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is PraxiLabs free?

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

### Is Science Experiments by Dencity free?

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

### Which has better reviews, PraxiLabs or Science Experiments by Dencity?

Science Experiments by Dencity is rated higher. PraxiLabs averages 4.2 out of 5 from 5 ratings, while Science Experiments by Dencity averages 5.0 from 1 ratings.

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

Science Experiments by Dencity shows ads; PraxiLabs does not.

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

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