# Sphere2 vs Catapult EMS

The clearest difference is review sentiment: Sphere2 at 100% against Catapult EMS's 30%. Sphere2 also leads on rating (4.0 vs 2.6) and iOS requirement (9.3 vs 15.1). Catapult EMS's advantage is ratings volume (12 vs 1) and device support (3 vs 1). 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.

Sphere2 holds the better App Store score, 4.0 against 2.6. That said, the two scores are not equally well evidenced: Catapult EMS has 12 ratings behind it against 1, 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 30% of Catapult EMS's.

Sphere2 ships an update every 2 months, Catapult EMS every 3 months. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sphere2 | Catapult EMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/sphere2/id600783987/reviews)** | [2.6 (12 ratings)](https://appshunter.io/ios/app/catapult-ems/id1449934271/reviews) |
| Number of ratings | 1 | **12** |
| Positive reviews | **100.0% of reviews** | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | Free |
| Size | 36 MB | 35 MB |
| Requires iOS | **9.3** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [AVer Information Inc.](https://appshunter.io/developer/336316718) | [Catapult K12](https://appshunter.io/developer/1449934270) |

## 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


### Catapult EMS

[App page](https://appshunter.io/ios/app/catapult-ems/id1449934271)

Stay informed during emergencies with audible alerts that bypass silent mode. This app provides quick access to emergency procedures, allows for secure login via biometrics, and integrates with a comprehensive emergency management system for organizations.

**Highlights:** Audible emergency alerts on silent mode, Quick home screen access, Touch/Face ID login, Location and status gathering, One-on-one emergency conversations, Alert districts, police, and fire, View emergency procedures, Anonymous threat reporting

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

**In-app purchases:** none


## Frequently asked questions

### Is Sphere2 free?

Sphere2 is free to download, with no in-app purchases.

### Is Catapult EMS free?

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

### Which has better reviews, Sphere2 or Catapult EMS?

Sphere2 is rated higher. Sphere2 averages 4.0 out of 5 from 1 ratings, while Catapult EMS averages 2.6 from 12 ratings.

### Do Sphere2 or Catapult EMS have ads?

Neither Sphere2 nor Catapult EMS shows ads.

### Which is updated more often, Sphere2 or Catapult EMS?

Sphere2 ships an update every 2 months, and Catapult EMS every 3 months. Most recently, Sphere2 was updated on October 8, 2026 and Catapult EMS on October 15, 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.*