# Vernier Graphical Analysis GW vs DAC App

The clearest difference is rating: Vernier Graphical Analysis GW at 2.4 against DAC App's 1.8. Vernier Graphical Analysis GW also leads on update cadence (every 3 months vs every 12 months) and ratings volume (158 vs 16). DAC App's advantage is monetization model (free vs free with in-app purchases). On price, review sentiment, 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 GW holds the better App Store score, 2.4 against 1.8. That said, the two scores are not equally well evidenced: Vernier Graphical Analysis GW has 158 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 27% of Vernier Graphical Analysis GW's written reviews are positive against 20% of DAC App's.

Vernier Graphical Analysis GW ships an update every 3 months, DAC App every 12 months. The most recent releases landed on September 20, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Vernier Graphical Analysis GW | DAC App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (158 ratings)](https://appshunter.io/ios/app/vernier-graphical-analysis-gw/id522996341/reviews)** | [1.8 (16 ratings)](https://appshunter.io/ios/app/dac-app/id1162772990/reviews) |
| Number of ratings | **158** | 16 |
| Positive reviews | **26.7% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 20 MB | 16 MB |
| Requires iOS | **11.0** | 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 Graphical Analysis GW

[App page](https://appshunter.io/ios/app/vernier-graphical-analysis-gw/id522996341)

This application allows science students to collect, graph, and analyze data from various sensors. It supports multiple data-collection modes, offers advanced analysis tools, and enables data sharing for lab reports and further spreadsheet analysis.

**Highlights:** Multi-sensor data collection, Time, event, and drop counting modes, Graphing and table view, Data analysis and statistics, Curve fitting, Data export (.CSV), Manual data entry

**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 Graphical Analysis GW free?

Vernier Graphical Analysis GW is free to download, 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 Graphical Analysis GW or DAC App?

Vernier Graphical Analysis GW is rated higher. Vernier Graphical Analysis GW averages 2.4 out of 5 from 158 ratings, while DAC App averages 1.8 from 16 ratings.

### Do Vernier Graphical Analysis GW or DAC App have ads?

Neither Vernier Graphical Analysis GW nor DAC App shows ads.

### Which is updated more often, Vernier Graphical Analysis GW or DAC App?

Vernier Graphical Analysis GW ships an update every 3 months, and DAC App every 12 months. Most recently, Vernier Graphical Analysis GW was updated on September 20, 2026 and DAC App on June 1, 2026.

---

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