3D vs K12Cast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D
Transform real-world objects into virtual 3D models for educational purposes. Capture artwork, artifacts, and everyday items to view in augmented reality or share digitally with others.
- Scan real-world objects into 3D models
- Create virtual replicas
- View scans in augmented reality
- Share 3D creations
- Integrates with Merge EDU
- Add labels and descriptions
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With Scanner, you can turn real-world objects into virtual 3D creations. Whether it’s an art project, a fossil, a historic artifact from your community, or a cherished family heirloom, scanning these objects lets you preserve and explore them in a whole new way. See your scans come to life by editing them in Object Builder. Study every detail, share them with others, or even hold on a Merge Cube. Every scan becomes a digital keepsake, ready to explore, learn from, or use as inspiration for your next creation.
K12Cast
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K12Cast turns an iPhone, iPad, Apple TV, or Mac into a secure, centrally managed school display. Pair a screen in seconds, then publish announcements, images, videos, presentations, live streams, scheduled playlists, layouts, and urgent alerts from the K12Cast administration platform. Built for K–12 teams, K12Cast keeps playback synchronized, reports display health, responds to remote operations commands, and automatically recovers from temporary connectivity interruptions. Emergency communications can take over the full screen and confirm delivery back to authorized staff. An active K12Cast organization account is required. Pairing and content are managed by an authorized school, district, or organization administrator.
Screenshots
Verdict
The clearest difference is update cadence: K12Cast at every 2 weeks against 3D's every 5 months. K12Cast also leads on device support (4 vs 2). On price, ads, in-app purchases and iOS requirement 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.
3D ships an update every 5 months, K12Cast every 2 weeks. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | 3D | K12Cast |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (9 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Apple TV — better |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 594 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Merge Apps | Dennis Elledge |
In-app purchases
3D
No in-app purchases
K12Cast
No in-app purchases









