Act Fast vs Planetarium Projector
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Act Fast
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"Act Fast" is a life-saving educational app designed to raise awareness about critical health emergencies, specifically sudden cardiac arrest and stroke. The app provides a user-friendly interface with distinct sections, each dedicated to different aspects of emergency health education.
Planetarium Projector
Explore the universe with interactive lessons on constellations, planets, and space exploration. Engage with 3D augmented reality models and fun quizzes to learn about space history and mythology.
- Interactive space narrator
- Augmented reality 3D models
- Constellation drawing
- Space conquest quiz
- Planet and space facts
- Rocket launching game
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With the Planetarium Projector APP, discovering the wonders of the universe has never been so fun! Select the slide you are projecting with the Planetarium and let the narrator guide you through the constellations, the planets of the Solar System and the incredible story behind man’s conquest of space! Thanks to the special cards you can view fantastic 3D models in augmented reality, explore them, understand how they are made inside and discover lots of interesting facts on history and mythology. Play with the APP to launch your rocket! Answer the questions of the quiz correctly, compare weights and dimensions, draw the constellations and get ready to depart to conquer the universe!
Screenshots
Verdict
The clearest difference is update cadence: Planetarium Projector at every 2 months against Act Fast's every 9 months. Planetarium Projector also leads on iOS requirement (13.0 vs 15.1). 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.
Act Fast ships an update every 9 months, Planetarium Projector every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.
| Parameter | Act Fast | Planetarium Projector |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 22.2% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 18 MB | 574 MB |
| Age rating | 4+ | 4+ |
| Developer | Sugar Rush Creative | Clementoni S.p.A. |
In-app purchases
Act Fast
No in-app purchases
Planetarium Projector
No in-app purchases
Questions
Is Act Fast free?
Is Planetarium Projector free?
Do Act Fast or Planetarium Projector have ads?
Which is updated more often, Act Fast or Planetarium Projector?
Other comparisons
