sun vs The Framework App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
sun
This application works with a wearable sensor to monitor UV radiation exposure. It provides personalized protective suggestions and tracks your accumulated daily dose. You can set a personal UV limit and receive alerts when it's reached.
- UV radiation measurement
- Personalized protective suggestions
- Daily accumulated radiation tracking
- Customizable UV dose limits
- UV dose limit alerts
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The sun-a-wear sensor is worn on the body and measures the UV radiation in sunlight. The sun-a-wear app on your smartphone can suggest protective measures or display the total radiation dose that has accumulated over the day. You can set your personal UV dose limit and sun-a-wear will inform you when you have reached it.
The Framework App
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The Framework is an audio app for people who want to understand AI without learning to code. The main course is called "Understanding AI". In fifty short lessons, it explains how the technology actually works, from neural networks to language models, and then looks at what all of this means for the way we work and live. It's based on Marcel Salathé's best-selling book. The second course is about AI agents, meaning AI that can act on your behalf. In eleven lessons, it explains how agents work, and how to delegate work to them well. In between, there are the Explorations: shorter pieces on whatever is happening in AI right now. New ones are added regularly. Every lesson is short enough for a walk or a commute. The app itself is deliberately simple. You press play and listen. Marcel Salathé is a best-selling professor at EPFL in Lausanne, where he co-directs the EPFL AI Center. What's inside: "Understanding AI", the complete course in fifty lessons "AI Agents", a shorter course on AI that can act for you Explorations on current topics, added regularly Recorded in original voice, with an optional AI voice
Screenshots
Verdict
The clearest difference is device support: sun at 3 against The Framework App's 1. sun also leads on iOS requirement (13.0 vs 17.6). 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.
sun ships an update every 2 months, The Framework App every 5 weeks. Both last shipped on October 24, 2026.
| Parameter | sun | The Framework App |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (10 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 39 MB | 11 MB |
| Age rating | 12+ | 17+ |
| Developer | Samuel Welten | MARCEL SALATHE |
In-app purchases
sun
No in-app purchases
The Framework App
No in-app purchases
