# Vernier Video Physics vs DAC App

The clearest difference is price: DAC App at Free against Vernier Video Physics's $4.99. Vernier Video Physics's advantage is rating (2.5 vs 1.8) and review sentiment (49% vs 20%). On ratings volume, ads and in-app purchases there is nothing between them.

DAC App is free to download; Vernier Video Physics costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Vernier Video Physics holds the better App Store score, 2.5 against 1.8. Both are backed by a comparable volume of ratings — 33 and 16 respectively. Written reviews point the same way: 49% of Vernier Video Physics's written reviews are positive against 20% of DAC App's.

Vernier Video Physics ships an update every 2 months, DAC App every 12 months. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Vernier Video Physics | DAC App |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[2.5 (33 ratings)](https://appshunter.io/ios/app/vernier-video-physics/id389784247/reviews)** | [1.8 (16 ratings)](https://appshunter.io/ios/app/dac-app/id1162772990/reviews) |
| Number of ratings | **33** | 16 |
| Positive reviews | **49.4% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Paid | **Free** |
| Size | 28 MB | 16 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Vernier Software & Technology](https://appshunter.io/developer/389784250) | [Educational Testing Service](https://appshunter.io/developer/923503056) |

## What reviewers say

### Vernier Video Physics

[App page](https://appshunter.io/ios/app/vernier-video-physics/id389784247)

Analyze motion with automated object tracking and video analysis. Capture video, tap to track, and instantly generate trajectory, position, and velocity graphs. Ideal for science students and educators to measure and study motion.

**Highlights:** Automated object tracking, Video capture and import, Trajectory, position, and velocity graphs, Scale video with known object, Export video with points, Email data for further analysis

**Features:** Vision Pro support

**In-app purchases:** none


### DAC App

[App page](https://appshunter.io/ios/app/dac-app/id1162772990)

This free application simplifies the recording of student audio responses for specific AP exams. It streamlines the process for both students and proctors, and automatically uploads audio files for school staff. Designed for use on school-issued iPads.

**Highlights:** Record audio responses for AP exams, Simplify recording process, Intuitive interface for students, Streamline post-exam tasks, Direct upload of audio files, Designed for school-owned iPads

**In-app purchases:** none


## Frequently asked questions

### Is Vernier Video Physics free?

Vernier Video Physics costs $4.99, with no in-app purchases.

### Is DAC App free?

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

### Which has better reviews, Vernier Video Physics or DAC App?

Vernier Video Physics is rated higher. Vernier Video Physics averages 2.5 out of 5 from 33 ratings, while DAC App averages 1.8 from 16 ratings.

### Do Vernier Video Physics or DAC App have ads?

Neither Vernier Video Physics nor DAC App shows ads.

### Which is updated more often, Vernier Video Physics or DAC App?

Vernier Video Physics ships an update every 2 months, and DAC App every 12 months. Most recently, Vernier Video Physics was updated on October 18, 2026 and DAC App on October 14, 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.*