CBL Nudge vs Carbi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CBL Nudge
This app offers prompts and activities inspired by Nudge theory and Oblique Strategies to help users overcome challenges in the Challenge Based Learning process. When you encounter a roadblock, request a nudge and follow the suggested idea, or ask for a new one if it doesn't fit.
- Nudge theory inspiration
- Oblique Strategies integration
- Challenge Based Learning support
- Problem-solving prompts
- Activity suggestions
- Stuck phase navigation
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Sometimes we struggle during the Challenge Based Learning process - this app provides nudges to help when you get stuck. Combining the concepts of Nudge theory and Brian Eno’s Oblique Strategies, CBL Nudge provides questions and activities for when you get stuck during the different phases of the Challenge Based Learning process. Navigate to the area where you are stuck, ask for a nudge and then follow the idea presented. If that one does not fit or work ask for a new nudge.
Carbi
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Carbi is an interactive educational experience that bridges technology and biology. Dive into the world of mangroves, guide the 'Carbi' seed through environmental challenges, and explore the microscopic wonders of plant cells. Designed with inclusivity at its core, Carbi transforms visual scientific concepts into an immersive, audible, and tactile journey. For the first time, the visual beauty of nature is fully accessible; with complete VoiceOver support, visually impaired users can seamlessly hear, feel, and interact with the environment. A unique journey crafted to spread awareness about blue carbon and sustainability for everyone.
Screenshots
Verdict
The clearest difference is iOS requirement: CBL Nudge at 9.0 against Carbi's 16.0. On price, ads, in-app purchases and device support 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.
| Parameter | CBL Nudge | Carbi |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 18 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | The Challenge Institute | Maram Bin Gubair |
In-app purchases
CBL Nudge
No in-app purchases
Carbi
No in-app purchases









