# LockDown Browser vs Lizard Evolution Virtual Lab

The clearest difference is rating: Lizard Evolution Virtual Lab at 1.9 against LockDown Browser's 1.2. Lizard Evolution Virtual Lab also leads on review sentiment (24% vs 8%) and iOS requirement (6.0 vs 15.0). LockDown Browser's advantage is update cadence (every 5 weeks vs every 14 months) and ratings volume (4K vs 22). 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.

Lizard Evolution Virtual Lab holds the better App Store score, 1.9 against 1.2. That said, the two scores are not equally well evidenced: LockDown Browser has 4K ratings behind it against 22, so its average is the more settled of the two. Written reviews point the same way: 8% of LockDown Browser's written reviews are positive against 24% of Lizard Evolution Virtual Lab's.

LockDown Browser ships an update every 5 weeks, Lizard Evolution Virtual Lab every 14 months. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | LockDown Browser | Lizard Evolution Virtual Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (4K ratings)](https://appshunter.io/ios/app/lockdown-browser/id659101775/reviews) | **[1.9 (22 ratings)](https://appshunter.io/ios/app/lizard-evolution-virtual-lab/id955217861/reviews)** |
| Number of ratings | **4K** | 22 |
| Positive reviews | 7.6% of reviews | **23.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 14 months |
| Monetization | Free | Free |
| Size | 17 MB | 361 MB |
| Requires iOS | 15.0 | **6.0** |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Respondus Inc.](https://appshunter.io/developer/365544611) | [Howard Hughes Medical Institute](https://appshunter.io/developer/411540290) |

## What reviewers say

### LockDown Browser

[App page](https://appshunter.io/ios/app/lockdown-browser/id659101775)

This application creates a secure browser environment for online exams, preventing access to other applications, websites, or device functions. It ensures the integrity of assessments by locking users into the exam until submission. It is compatible with specific learning systems and can be used with proctoring systems if enabled by an instructor.

**Highlights:** Locks down exam environment, Prevents switching applications, Blocks access to other URLs, Disables screenshots, Prohibits copying or printing, Integrates with learning systems

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well on iPad
- 🔒 Secures exams
- 👍 Helpful for online tests

**What reviewers complain about**

- 🐛 Crashes and freezes frequently
- 🔒 Locks down devices too aggressively
- 👎 Unreliable and glitchy
- 💤 Slow and unresponsive
- 🔋 Drains device battery

**Reported bugs**

- Fails to load tests and quizzes
- Prevents device power off and exit
- Incompatible with other apps like Canvas
- Randomly kicks users out of exams

**Requested features**

- Improved compatibility with iPads
- Better error handling and recovery
- Streamlined setup and onboarding
- More user-friendly interface


### Lizard Evolution Virtual Lab

[App page](https://appshunter.io/ios/app/lizard-evolution-virtual-lab/id955217861)

Explore evolutionary biology concepts through interactive virtual lab modules. Collect data, perform analyses, and answer questions to understand adaptation, speciation, and more. Ideal for high school and undergraduate science courses.

**Highlights:** Evolutionary biology modules, Data collection and analysis, Phylogenetic analysis, Reproductive isolation studies, Speciation concepts, Educator resources

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LockDown Browser free?

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

### Is Lizard Evolution Virtual Lab free?

Lizard Evolution Virtual Lab is free to download, with no in-app purchases.

### Which has better reviews, LockDown Browser or Lizard Evolution Virtual Lab?

Lizard Evolution Virtual Lab is rated higher. LockDown Browser averages 1.2 out of 5 from 4K ratings, while Lizard Evolution Virtual Lab averages 1.9 from 22 ratings.

### Do LockDown Browser or Lizard Evolution Virtual Lab have ads?

Neither LockDown Browser nor Lizard Evolution Virtual Lab shows ads.

### Which is updated more often, LockDown Browser or Lizard Evolution Virtual Lab?

LockDown Browser ships an update every 5 weeks, and Lizard Evolution Virtual Lab every 14 months. Most recently, LockDown Browser was updated on October 12, 2026 and Lizard Evolution Virtual Lab on October 7, 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.*