# Orbit vs Build a Bridge!

The clearest difference is review sentiment: Orbit at 94% against Build a Bridge!'s 59%. Orbit also leads on rating (4.8 vs 4.6). Build a Bridge!'s advantage is ratings volume (26K vs 7.6K). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Orbit sells 7 one-off in-app purchases and Build a Bridge! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Orbit holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 7.6K and 26K respectively. Written reviews point the same way: 94% of Orbit's written reviews are positive against 59% of Build a Bridge!'s.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Orbit | Build a Bridge! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (7.6K ratings)](https://appshunter.io/ios/app/orbit-playing-with-gravity/id991457817/reviews)** | [4.6 (26K ratings)](https://appshunter.io/ios/app/build-a-bridge/id1165289168/reviews) |
| Number of ratings | 7.6K | **26K** |
| Positive reviews | **94.4% of reviews** | 59.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 139 MB | 325 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [HIGHKEY Games](https://appshunter.io/developer/1170680369) | [BoomBit, Inc.](https://appshunter.io/developer/1045926022) |

## 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


### Build a Bridge!

[App page](https://appshunter.io/ios/app/build-a-bridge/id1165289168)

A physics-based puzzle game where you design and build bridges using various materials. Test your creations in 3D to see if they hold up under pressure, with multiple levels and environments to explore.

**Highlights:** Physics-based bridge construction, Choose from wood, metal, and cables, 86 challenging levels, Realistic physics engine, 3D testing mode, Easy mode for creativity

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Easy Mode | $0.99 | one-time |
| Small Coins Pack | $1.99 | one-time |
| Space World | $1.99 | one-time |
| Easy Mode | $2.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Welcome Offer Unlock All | $4.99 | one-time |
| Welcome Offer - Starter Pack | $4.99 | one-time |
| Orient World | $5.99 | one-time |
| Welcome Offer - Constructor | $9.99 | one-time |
| Unlock All | $9.99 | one-time |

**What reviewers like**

- 🚀 Addictive gameplay
- 👍 Realistic physics
- 🚀 No WiFi required
- 🚀 Good graphics
- 👍 Teaches engineering concepts

**What reviewers complain about**

- 🐛 Frequent crashes
- 💰 Excessive ads and in-app purchases
- 🤯 Extremely difficult levels
- 🤔 Unrealistic bridge scenarios
- 🤯 Confusing mechanics

**Reported bugs**

- Progress not saving properly
- Game freezing and crashing
- Ads causing the game to malfunction

**Requested features**

- More levels and content updates
- Controller support
- Easier difficulty mode
- Less intrusive ads
- Ability to build bridges freely without restrictions


## Frequently asked questions

### Is Orbit free?

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

### Is Build a Bridge! free?

Build a Bridge! is free to download, with in-app purchases available.

### Which has better reviews, Orbit or Build a Bridge!?

Orbit is rated higher. Orbit averages 4.8 out of 5 from 7.6K ratings, while Build a Bridge! averages 4.6 from 26K ratings.

### Do Orbit or Build a Bridge! have ads?

Both Orbit and Build a Bridge! show ads.

### Which is updated more often, Orbit or Build a Bridge!?

Orbit ships an update every 2 months, and Build a Bridge! every 2 months. Most recently, Orbit was updated on November 1, 2026 and Build a Bridge! on November 1, 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.*