# LockDown Browser vs Vernier Graphical Analysis

The clearest difference is rating: Vernier Graphical Analysis at 2.1 against LockDown Browser's 1.2. Vernier Graphical Analysis also leads on review sentiment (32% vs 8%). LockDown Browser's advantage is ratings volume (4K vs 528) and iOS requirement (15.0 vs 17.7). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Vernier Graphical Analysis holds the better App Store score, 2.1 against 1.2. That said, the two scores are not equally well evidenced: LockDown Browser has 4K ratings behind it against 528, 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 32% of Vernier Graphical Analysis's.

LockDown Browser ships an update every 5 weeks, Vernier Graphical Analysis every 2 months. Both last shipped on November 13, 2026.

## The numbers

| Metric | LockDown Browser | Vernier Graphical Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.2 (4K ratings)](https://appshunter.io/ios/app/lockdown-browser/id659101775/reviews) | **[2.1 (528 ratings)](https://appshunter.io/ios/app/vernier-graphical-analysis/id1385963326/reviews)** |
| Number of ratings | **4K** | 528 |
| Positive reviews | 7.5% of reviews | **32.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 17 MB | 106 MB |
| Requires iOS | **15.0** | 17.7 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Respondus Inc.](https://appshunter.io/developer/365544611) | [Vernier Software & Technology](https://appshunter.io/developer/389784250) |

## 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


### Vernier Graphical Analysis

[App page](https://appshunter.io/ios/app/vernier-graphical-analysis/id1385963326)

This app allows science students to collect, graph, and analyze data from Vernier sensors. It supports various sensor types, offers multiple data collection modes, and provides powerful analysis tools like curve fitting and statistics. Data can be shared and exported for reports and further analysis.

**Highlights:** Multi-sensor data collection, Various data collection modes, Simultaneous graph display, Data table view, Curve fitting, Statistical calculations, Data export (.CSV)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Helpful for physics/chemistry labs
- 👍 Easy to use interface
- 💡 Useful data analysis features

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔋 Drains battery quickly
- 🤯 Bizarre and unexplained glitches
- 🤢 Caused health issues for some users

**Reported bugs**

- App freezes and becomes unresponsive
- Sensor data not accurately recorded
- Unexpected app behavior and strange visual effects

**Requested features**

- More stable and reliable performance
- Better compatibility with older devices
- Improved Bluetooth connectivity


## Frequently asked questions

### Is LockDown Browser free?

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

### Is Vernier Graphical Analysis free?

Vernier Graphical Analysis is free to download, with no in-app purchases.

### Which has better reviews, LockDown Browser or Vernier Graphical Analysis?

Vernier Graphical Analysis is rated higher. LockDown Browser averages 1.2 out of 5 from 4K ratings, while Vernier Graphical Analysis averages 2.1 from 528 ratings.

### Do LockDown Browser or Vernier Graphical Analysis have ads?

Neither LockDown Browser nor Vernier Graphical Analysis shows ads.

### Which is updated more often, LockDown Browser or Vernier Graphical Analysis?

LockDown Browser ships an update every 5 weeks, and Vernier Graphical Analysis every 2 months. Most recently, LockDown Browser was updated on November 13, 2026 and Vernier Graphical Analysis on November 13, 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.*