Planet Gravity vs Mask
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Planet Gravity
Explore the gravitational pull of different celestial bodies. Watch pendulums swing and collide under varying gravitational forces, offering a unique physics simulation experience.
- Select different planets for unique gravity
- Observe pendulum collisions
- Physics-based simulation
- Educational planet facts
- Interactive entertainment
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Planet Gravity isn't just about gravity anymore. Select a planet to get a scrolling fact about that planet on the display. This app is a twist on the Newton’s cradle balance balls. The pendulum balls collide just like the real set and you can select other planets to use that planet’s gravity. How does the pendulum swing with different gravity? Even the Sun has gravity - see what it does to the motion of the pendulums (well they'd probably melt but you get the idea.....)
Mask
This augmented reality app lets you apply virtual masks to your face. You can choose from pre-made designs or create your own. Record and share your masked creations with friends.
- Augmented reality face masks
- Choose pre-made masks
- Create custom masks
- Record video
- Share with friends
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Mask-AR is an augmented reality face mask app. Choose a mask, or make your own. Puppet politicians. Punk people & protest. Record it & share with friends.
Screenshots
Verdict
The clearest difference is review sentiment: Mask at 100% against Planet Gravity's 25%. Mask also leads on iOS requirement (10.0 vs 17.6). On price, ads, in-app purchases and monetization model 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 | Planet Gravity | Mask |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (6 ratings) — better |
| Positive reviews | 25.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 6 — better |
| Update frequency | Every 14 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 278 MB |
| Age rating | 4+ | +4 |
| Developer | Niagara Mobile LLC | James Tunick |
Customer experience
Planet Gravity
Mask
In-app purchases
Planet Gravity
No in-app purchases
Mask
No in-app purchases
Questions
Is Planet Gravity free?
Is Mask free?
Do Planet Gravity or Mask have ads?
Other comparisons
