# Planet Gravity vs Simple Classic Maze

The clearest difference is price: Planet Gravity at Free against Simple Classic Maze's $4.99. Simple Classic Maze's advantage is update cadence (weekly vs every 14 months) and iOS requirement (13.0 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

Planet Gravity is free to download; Simple Classic Maze costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planet Gravity ships an update every 14 months, Simple Classic Maze weekly. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Planet Gravity | Simple Classic Maze |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | Free | — |
| Size | 5 MB | 2 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [Niagara Mobile LLC](https://appshunter.io/developer/1039399999) | [锦东 陈](https://appshunter.io/developer/1723349180) |

## 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


### Simple Classic Maze

[App page](https://appshunter.io/ios/app/simple-classic-maze/id6748934069)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Planet Gravity free?

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

### Is Simple Classic Maze free?

Simple Classic Maze costs $4.99, with no in-app purchases.

### Do Planet Gravity or Simple Classic Maze have ads?

Neither Planet Gravity nor Simple Classic Maze shows ads.

### Which is updated more often, Planet Gravity or Simple Classic Maze?

Planet Gravity ships an update every 14 months, and Simple Classic Maze weekly. Most recently, Planet Gravity was updated on November 1, 2026 and Simple Classic Maze on October 25, 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.*