CBL Nudge vs NoFearStem+
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.
NoFearStem+
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NoFearStem+ is a learning tool that provides resources to parents and teachers so they can teach their kids stem topics with lessons from NoFearCafe.
Screenshots
Verdict
The clearest difference is iOS requirement: CBL Nudge at 9.0 against NoFearStem+'s 26.0. 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.
CBL Nudge ships an update every 2 days, NoFearStem+ daily. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | CBL Nudge | NoFearStem+ |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 18 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | The Challenge Institute | No Fear LLC |
In-app purchases
CBL Nudge
No in-app purchases
NoFearStem+
No in-app purchases
