# Orbit vs Pi 100 Challenge

The clearest difference is price: Orbit at Free against Pi 100 Challenge's $0.99. Orbit also leads on iOS requirement (15.0 vs 17.0). Pi 100 Challenge's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support there is nothing between them.

Orbit is free to download; Pi 100 Challenge costs $0.99 up front. Orbit sells 7 one-off in-app purchases. Pi 100 Challenge asks for nothing beyond the download.

Orbit ships an update every 2 months, Pi 100 Challenge every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Orbit | Pi 100 Challenge |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.8 (7.6K ratings)](https://appshunter.io/ios/app/orbit-playing-with-gravity/id991457817/reviews)** | — |
| Number of ratings | **7.6K** | — |
| Positive reviews | 94.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 139 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIGHKEY Games](https://appshunter.io/developer/1170680369) | [Ram Rao](https://appshunter.io/developer/1724828937) |

## What reviewers say

### Orbit

[App page](https://appshunter.io/ios/app/orbit-playing-with-gravity/id991457817)

This app is a meditative physics puzzler where you launch planets to create stable orbits around black holes. Explore a variety of levels, create your own challenges in a sandbox mode, and enjoy a visually artistic and relaxing experience.

**Highlights:** Gravity simulation puzzles, Create stable orbits, Sandbox mode for level creation, Community-created levels, Visual orbital mechanics, Minimalist graphics and relaxing music

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $1 contribution | $0.99 | one-time |
| Remove ads | $0.99 | one-time |
| $2 contribution | $1.99 | one-time |
| $3 contribution | $2.99 | one-time |
| Orbit Pro | $2.99 | one-time |
| $5 contribution | $4.99 | one-time |
| $10 contribution | $9.99 | one-time |

**What reviewers like**

- 🚀 Fire game
- 👍 Relaxing and Enjoyable
- 👍 Calming, fun, stimulating, humble
- 👍 Simple and yet complicated
- 👍 Elegant and easy

**What reviewers complain about**

- 🐛 In app purchased not reicevied
- 🐛 Purchase didn't work for sandbox & ad removal but it's fun.
- 🔒 Be ware of your data
- 🐛 Love-hate

**Reported bugs**

- In app purchase not received
- Sandbox mode not working
- Game crashing and unable to open

**Requested features**

- Dark mode option
- Ability to zoom in and out
- Ability to rotate the game to landscape on iPad
- Ability to edit and move existing objects in sandbox mode
- Ability to name planets and add moons


### Pi 100 Challenge

[App page](https://appshunter.io/ios/app/pi-100-challenge/id6475694538)

**In-app purchases:** none


## Frequently asked questions

### Is Orbit free?

Orbit is free to download, with in-app purchases available.

### Is Pi 100 Challenge free?

Pi 100 Challenge costs $0.99, with no in-app purchases.

### Do Orbit or Pi 100 Challenge have ads?

Orbit shows ads; Pi 100 Challenge does not.

### Which is updated more often, Orbit or Pi 100 Challenge?

Orbit ships an update every 2 months, and Pi 100 Challenge every 3 weeks. Most recently, Orbit was updated on October 27, 2026 and Pi 100 Challenge 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.*