Blue's Blocs vs 3D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Blue's Blocs
This app extends the functionality of a physical robot, allowing students to program it using a block-based interface. It introduces concepts like decision-making, numerical functions, and variables for deeper learning in computer science.
- Block-based programming environment
- Control physical Blue-Bot robot
- Decision making logic
- Numerical functions
- Boolean operators
- Introduction of variables
- Bluetooth connectivity
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Blue’s Blocs is a complimentary app to the TTS Blue-Bot® which allows for expansion of knowledge and teaching at greater depth in KS2 and KS3 Computer Science. Using a familiar block-based environment, students can programme their Blue-Bot® using extended functionality which includes decision making, numerical functions, Boolean operators, and the introduction of variables. Seamlessly connecting to the physical Blue-Bot® device via Bluetooth connection, students can kinaesthetically work with their Blue-Bot® to embed computational concepts.
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.
Screenshots
Verdict
The clearest difference is review sentiment: 3D at 100% against Blue's Blocs's 0%. Blue's Blocs's advantage is iOS requirement (12.4 vs 17.0). 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.
Blue's Blocs ships an update every 3 months, 3D every 5 months. The most recent releases landed on September 7, 2026 and August 21, 2026 respectively.
| Parameter | Blue's Blocs | 3D |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (9 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 9 — better |
| Update frequency | Every 3 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 17 MB | 594 MB |
| Age rating | 4+ | 4+ |
| Developer | TTS Group Limited | Merge Apps |
Customer experience
Blue's Blocs
3D
In-app purchases
Blue's Blocs
No in-app purchases
3D
No in-app purchases
