# Sphere2 vs DAC App

The clearest difference is review sentiment: Sphere2 at 100% against DAC App's 20%. Sphere2 also leads on rating (4.5 vs 1.8) and update cadence (every 2 months vs every 12 months). DAC App's advantage is ratings volume (16 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.

Sphere2 holds the better App Store score, 4.5 against 1.8. That said, the two scores are not equally well evidenced: DAC App has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 100% of Sphere2's written reviews are positive against 20% of DAC App's.

Sphere2 ships an update every 2 months, DAC App every 12 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Sphere2 | DAC App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/sphere2/id600783987/reviews)** | [1.8 (16 ratings)](https://appshunter.io/ios/app/dac-app/id1162772990/reviews) |
| Number of ratings | 2 | **16** |
| Positive reviews | **100.0% of reviews** | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free | Free |
| Size | 36 MB | 16 MB |
| Requires iOS | **9.3** | 15.0 |
| Devices | iPad | iPad |
| Age rating | 17+ | 4+ |
| Developer | [AVer Information Inc.](https://appshunter.io/developer/336316718) | [Educational Testing Service](https://appshunter.io/developer/923503056) |

## What reviewers say

### Sphere2

[App page](https://appshunter.io/ios/app/sphere2/id600783987)

This app transforms your iPad into a digital whiteboard, integrating live video from a wireless camera with lesson creation tools. Record and instantly upload lessons to the cloud for sharing with students or for review.

**Highlights:** Live video integration with wireless camera, Digital whiteboard for lesson creation, Annotation and drawing tools, Lesson recording, Cloud upload for recorded lessons

**Features:** macOS Compatibility

**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 Sphere2 free?

Sphere2 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, Sphere2 or DAC App?

Sphere2 is rated higher. Sphere2 averages 4.5 out of 5 from 2 ratings, while DAC App averages 1.8 from 16 ratings.

### Do Sphere2 or DAC App have ads?

Neither Sphere2 nor DAC App shows ads.

### Which is updated more often, Sphere2 or DAC App?

Sphere2 ships an update every 2 months, and DAC App every 12 months. Most recently, Sphere2 was updated on November 1, 2026 and DAC App on November 2, 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.*