hackAIR vs Youth4Climate
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
hackAIR
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With air pollution being the number one environmental concern of citizens and one of the most significant factors posing threat to their health, hackAIR provides reliable information on the current and forecast air quality levels, based on official and model data, and observations from users. Beyond air pollution, extreme heat events and wildfires are some of the most important environmental factors that affect wellbeing. hackAIR has been recently upgraded to include information about the current and forecast thermal comfort conditions and about the probability of forest fires based on model data. Now you can have a more complete overview of the local environmental conditions that help you make informed decisions to protect yourself. hackAIR offers personalized recommendations to registered users on how they can safeguard themselves from adverse environmental conditions. The app is location-based and real-time, offering a map-based interface to the data available. hackAIR offers several ways for you to contribute your own observations: 1. You can state how you feel the current air quality and outdoor temperature at your location and help other users understand the current conditions 3. hackAIR provides instructions on how you can easily build mini air quality monitoring devices and see their measurements in the app 4. Experienced users can submit and access data using an online interface (API).
Youth4Climate
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Hosted by UNDP's Youth4Climate team this app is a go-to knowledge space dedicated to youth and climate, a conduit for discussions and knowledge sharing, innovative and co-shaped capacity building/training programs, webinars, and networking opportunities. Join the community today!
Screenshots
Verdict
The clearest difference is update cadence: hackAIR at fortnightly against Youth4Climate's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
hackAIR ships an update fortnightly, Youth4Climate every 9 months. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.
| Parameter | hackAIR | Youth4Climate |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly โ better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 โ better | 14.0 |
| Further details โ not scored | ||
| Size | 9 MB | 5 MB |
| Age rating | 12+ | 4+ |
| Developer | Draxis | Open Social N.V. |
In-app purchases
hackAIR
No in-app purchases
Youth4Climate
No in-app purchases
Questions
Is hackAIR free?
Is Youth4Climate free?
Do hackAIR or Youth4Climate have ads?
Which is updated more often, hackAIR or Youth4Climate?
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