Sphere2 vs Promethean
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sphere2
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.
- Live video integration with wireless camera
- Digital whiteboard for lesson creation
- Annotation and drawing tools
- Lesson recording
- Cloud upload for recorded lessons
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AVer Sphere2 App when used in conjunction with the AVer wireless camera is the first and only iPad digital whiteboard solution that integrates live video with lesson creation tools. You can even record Sphere2 lessons and upload them instantly to the cloud. When used without the camera, the App provides robust digital whiteboard functionalities for lesson creation and presentation. - Using AVer’s Wireless Cam stream live video of artifacts, experiments and more directly to the Sphere2 iPad App - Enhance the live video with notes, annotations, text, drawings and images to relay important aspects - Use the built-in whiteboard mode for step-by-step instructions and other content - With one click, record the entire lesson including video, annotation and other content - Automatically upload the recorded videos to the cloud (Dropbox®, YouTube®, Facebook®, Google Drive®, etc.) to send to absent students, substitute teachers or for review Visit averusa.com/education to learn more about Sphere2 as well as AVer’s other award-winning educational solutions.
Promethean
This app facilitates classroom collaboration by allowing students and teachers to interact with interactive panels wirelessly. IT administrators can also manage panel enrollment and updates. It offers screen sharing and access to training resources.
- Wireless screen sharing
- Panel management for IT admins
- Access to training materials
- Student-teacher interaction
- Panel enrollment and naming
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Put classroom collaboration into the hands of students and teachers and panel management into the hands of school IT administrators. The Promethean mobile app is designed for teachers and students to interact with Promethean ActivPanels from anywhere in the classroom. Teachers have the ability to sign in and access their Promethean profile. For IT administrators, the Promethean mobile app helps to enroll ActivPanels into their panel management to make updates easier. Students can • Wirelessly share the screen from their mobile device to ActivPanels with Screen Share or Screen Share in Promethean ActivSuite. • No sign-in required. Teachers can • Wirelessly share the screen from their mobile device to ActivPanels with Screen Share or Screen Share in Promethean ActivSuite. • Access Promethean user tutorials and training materials on Learn Promethean directly through the app.* • Sign in to their Promethean account to access Promethean ActivSuite and sign in to their ActivPanel 9. IT Administrators can • Sign in to their Promethean account. • Wirelessly share the screen from their mobile device to ActivPanels with Screen Share or Screen Share in Promethean ActivSuite. • Access Promethean user tutorials and training materials on Learn Promethean directly through the app* • Enroll ActivPanels into a school organization, name the panel, associate it with groups and verify that it was enrolled successfully. NOTES: • The Promethean app requires a device where a Promethean account can be accessed or Promethean ActivPanel Elements (Nickel, Cobalt, Titanium) series panels with Software Release (SR) 3.2 or newer. • Panel sign in is only available for ActivPanel 9 series. • Screen Share must be enabled on ActivPanel to utilize Screen Share from the Promethean app. * Dependent upon language"
Screenshots
Verdict
The clearest difference is review sentiment: Sphere2 at 100% against Promethean's 18%. Sphere2 also leads on rating (4.0 vs 2.5) and iOS requirement (9.3 vs 15.0). Promethean's advantage is ratings volume (59 vs 1) and device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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 2.5. That said, the two scores are not equally well evidenced: Promethean has 59 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 18% of Promethean's.
Sphere2 ships an update every 2 months, Promethean every 4 months. The most recent releases landed on June 11, 2026 and September 30, 2026 respectively.
| Parameter | Sphere2 | Promethean |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | 2.5 (59 ratings) |
| Positive reviews | 100.0% of reviews — better | 17.6% of reviews |
| Number of ratings | 1 | 59 — better |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 9.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 36 MB | 66 MB |
| Age rating | 17+ | 4+ |
| Developer | AVer Information Inc. | Promethean |
Customer experience
Sphere2
Promethean
In-app purchases
Sphere2
No in-app purchases
Promethean
No in-app purchases
Questions
Is Sphere2 free?
Is Promethean free?
Which has better reviews, Sphere2 or Promethean?
Do Sphere2 or Promethean have ads?
Which is updated more often, Sphere2 or Promethean?
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