# Planet Gravity vs Kinetic Cradle

The clearest difference is price: Planet Gravity at Free against Kinetic Cradle's $3.99. Kinetic Cradle's advantage is update cadence (monthly vs every 14 months) and iOS requirement (15.0 vs 17.6). On ads, in-app purchases, monetization model and device support there is nothing between them.

Planet Gravity is free to download; Kinetic Cradle costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planet Gravity ships an update every 14 months, Kinetic Cradle monthly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Planet Gravity | Kinetic Cradle |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/kinetic-cradle-asmr/id6761702157/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Monthly** |
| Monetization | Free | Free |
| Size | 5 MB | 51 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Niagara Mobile LLC](https://appshunter.io/developer/1039399999) | [Hakan Ozmen](https://appshunter.io/developer/1889604719) |

## What reviewers say

### Planet Gravity

[App page](https://appshunter.io/ios/app/planet-gravity/id995682820)

Explore the gravitational pull of different celestial bodies. Watch pendulums swing and collide under varying gravitational forces, offering a unique physics simulation experience.

**Highlights:** Select different planets for unique gravity, Observe pendulum collisions, Physics-based simulation, Educational planet facts, Interactive entertainment

**Features:** macOS Compatibility

**In-app purchases:** none


### Kinetic Cradle

[App page](https://appshunter.io/ios/app/kinetic-cradle-asmr/id6761702157)

Experience a moment of calm with a digital desk toy. Interact with a swinging chain of balls, exploring different materials and arrangements to create soothing visual and auditory experiences. Customize the atmosphere and physics for a personalized relaxation session.

**Highlights:** Interactive ball chain physics, Explore three distinct materials, Adjustable ball arrangements, Customizable lighting and base, Adjustable sound and haptic feedback, Advanced physics settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Planet Gravity free?

Planet Gravity is free to download, with no in-app purchases.

### Is Kinetic Cradle free?

Kinetic Cradle costs $3.99, with no in-app purchases.

### Do Planet Gravity or Kinetic Cradle have ads?

Neither Planet Gravity nor Kinetic Cradle shows ads.

### Which is updated more often, Planet Gravity or Kinetic Cradle?

Planet Gravity ships an update every 14 months, and Kinetic Cradle monthly. Most recently, Planet Gravity was updated on October 24, 2026 and Kinetic Cradle on October 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*