# Project Lab VR vs Didja

The clearest difference is update cadence: Didja at every 2 weeks against Project Lab VR's monthly. Project Lab VR's advantage is iOS requirement (13.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Project Lab VR ships an update monthly, Didja every 2 weeks. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Project Lab VR | Didja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (50 ratings)](https://appshunter.io/ios/app/project-lab-vr/id1579787446/reviews)** | — |
| Number of ratings | **50** | — |
| Positive reviews | 19.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 2.0 GB | 32 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Abacus](https://appshunter.io/developer/1486425022) | [Pre-Print Technology Ltd](https://appshunter.io/developer/1869967080) |

## What reviewers say

### Project Lab VR

[App page](https://appshunter.io/ios/app/project-lab-vr/id1579787446)

Explore interactive science lessons and activities in virtual reality. Learn about volcanoes, dinosaurs, the solar system, and human anatomy through immersive experiences with step-by-step instructions.

**Highlights:** Interactive science activities, Step-by-step instructions, Virtual reality immersion, Science lessons, Volcanoes, dinosaurs, solar system, anatomy modules

**In-app purchases:** none


### Didja

[App page](https://appshunter.io/ios/app/didja-know/id6757963265)

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

**In-app purchases:** none


## Frequently asked questions

### Is Project Lab VR free?

Project Lab VR is free to download, with no in-app purchases.

### Is Didja free?

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

### Do Project Lab VR or Didja have ads?

Neither Project Lab VR nor Didja shows ads.

### Which is updated more often, Project Lab VR or Didja?

Project Lab VR ships an update monthly, and Didja every 2 weeks. Most recently, Project Lab VR was updated on November 9, 2026 and Didja 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.*