# LockDown Browser vs MolViewApp

The clearest difference is review sentiment: MolViewApp at 100% against LockDown Browser's 8%. MolViewApp also leads on rating (5.0 vs 1.2) and update cadence (every 2 days vs every 5 weeks). LockDown Browser's advantage is ratings volume (4K vs 2). 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.

MolViewApp holds the better App Store score, 5.0 against 1.2. That said, the two scores are not equally well evidenced: LockDown Browser has 4K ratings behind it against 2, 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 100% of MolViewApp's.

LockDown Browser ships an update every 5 weeks, MolViewApp every 2 days. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | LockDown Browser | MolViewApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (4K ratings)](https://appshunter.io/ios/app/lockdown-browser/id659101775/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/molviewapp/id6786979305/reviews)** |
| Number of ratings | **4K** | 2 |
| Positive reviews | 7.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | Free | Free |
| Size | 17 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Respondus Inc.](https://appshunter.io/developer/365544611) | [Donghan Lee](https://appshunter.io/developer/1820113725) |

## 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


### MolViewApp

[App page](https://appshunter.io/ios/app/molviewapp/id6786979305)

Explore 3D molecular structures with interactive visualizations. Load PDB files locally or by ID and utilize various display modes and advanced features like electrostatic potential mapping and structural alignment. All processing is done on-device for privacy.

**Highlights:** Load PDB files locally or by ID, Multiple structure loading and visibility control, Surface electrostatic potential map, Structural alignment and superposition, Secondary structure coloring, Morphing between conformations

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

**In-app purchases:** none


## Frequently asked questions

### Is LockDown Browser free?

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

### Is MolViewApp free?

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

### Which has better reviews, LockDown Browser or MolViewApp?

MolViewApp is rated higher. LockDown Browser averages 1.2 out of 5 from 4K ratings, while MolViewApp averages 5.0 from 2 ratings.

### Do LockDown Browser or MolViewApp have ads?

Neither LockDown Browser nor MolViewApp shows ads.

### Which is updated more often, LockDown Browser or MolViewApp?

LockDown Browser ships an update every 5 weeks, and MolViewApp every 2 days. Most recently, LockDown Browser was updated on October 22, 2026 and MolViewApp on October 11, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*