# Planet Gravity vs mySolar

The clearest difference is price: Planet Gravity at Free against mySolar's $14.99. Planet Gravity also leads on in-app purchases (none vs 3) and ads (none vs shown). mySolar's advantage is update cadence (every 3 months vs every 14 months) and review sentiment (41% vs 25%). On device support and iOS requirement there is nothing between them.

Planet Gravity is free to download; mySolar costs $14.99 up front. mySolar sells 3 one-off in-app purchases. Planet Gravity asks for nothing beyond the download.

Planet Gravity ships an update every 14 months, mySolar every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Planet Gravity | mySolar |
| --- | --- | --- |
| Price | **Free** | $14.99 |
| Rating | — | **[4.2 (410 ratings)](https://appshunter.io/ios/app/mysolar-build-your-planets/id1237470522/reviews)** |
| Number of ratings | — | **410** |
| Positive reviews | 25.0% of reviews | **41.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 3 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 133 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Niagara Mobile LLC](https://appshunter.io/developer/1039399999) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## 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


### mySolar

[App page](https://appshunter.io/ios/app/mysolar-build-your-planets/id1237470522)

Become a celestial architect and shape your own solar system. Collect cosmic resources to expand your universe, conquer rival systems, and freely design your dream planets. Experience the power of creation and domination.

**Highlights:** Build your own solar system, Collect God points (GP) and Mass points (MP), Defeat rival solars, Absorb enemy resources, Freely build planets

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30000 GP | $2.99 | one-time |
| 80000 GP | $5.99 | one-time |
| 150000 GP | $9.99 | one-time |

**What reviewers like**

- 🚀 Powerful star and planet creation
- 👍 Satisfying gameplay loop
- 🌌 Visually appealing space environment

**What reviewers complain about**

- 🐛 Bugs and glitches causing progress loss
- 💰 Expensive in-app purchases
- 🤔 Unclear progression and upgrade system

**Reported bugs**

- Levels not progressing properly after completing objectives
- Planets and upgrades disappearing after watching ads
- Inability to create binary or multi-star systems

**Requested features**

- Sandbox mode with more customization options
- Multiplayer or co-op gameplay
- Improved tutorial and onboarding


## Frequently asked questions

### Is Planet Gravity free?

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

### Is mySolar free?

mySolar costs $14.99, and also offers in-app purchases.

### Do Planet Gravity or mySolar have ads?

mySolar shows ads; Planet Gravity does not.

### Which is updated more often, Planet Gravity or mySolar?

Planet Gravity ships an update every 14 months, and mySolar every 3 months. Most recently, Planet Gravity was updated on November 1, 2026 and mySolar on November 2, 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.*