# Bridge Builder Simulator vs Span

The clearest difference is ads: Span at none against Bridge Builder Simulator's shown. Span also leads on update cadence (every 5 days vs every 3 months). Bridge Builder Simulator's advantage is iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Bridge Builder Simulator sells 5 one-off in-app purchases and Span sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Bridge Builder Simulator ships an update every 3 months, Span every 5 days. The most recent releases landed on October 19, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Bridge Builder Simulator | Span |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2.4K ratings)](https://appshunter.io/ios/app/bridge-builder-simulator/id1020639350/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 42.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 390 MB | 60 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [BoomBit S. A.](https://appshunter.io/developer/423523998) | [Dodecki Labs](https://appshunter.io/developer/1571436485) |

## What reviewers say

### Bridge Builder Simulator

[App page](https://appshunter.io/ios/app/bridge-builder-simulator/id1020639350)

Design and construct bridges across diverse environments using various materials. Solve challenging puzzles, manage budgets, and test your engineering skills in multiple game modes.

**Highlights:** Build bridges with cables, wood, and steel, 4 distinct locations to build in, Budget management, Multiple difficulty modes, Mind-bending puzzles, Beautiful graphics

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy 25 Hints | $1.99 | one-time |
| Unlock ALL LEVELS | $3.99 | one-time |
| Hard Games | $4.99 | one-time |
| Easy Games | $4.99 | one-time |
| Unlock All | $14.99 | one-time |

**What reviewers like**

- 🚀 Great game
- 👍 Fun and entertaining
- 💡 Challenging and keeps you thinking

**What reviewers complain about**

- 🐛 Freezes and crashes frequently
- 🔒 Locked behind paywall
- 💰 Excessive ads and in-app purchases
- 👎 Unrealistic physics and poor bridge designs
- 🤯 Frustrating and buggy interface

**Reported bugs**

- Game freezes after failing a level
- Buttons and controls not responsive
- Levels and features locked behind paywall
- Hints and solutions not working as expected

**Requested features**

- Ability to save and load bridge designs
- Sandbox mode with unlimited resources
- Improved physics and more realistic bridge building
- Better level progression and difficulty scaling
- Removal of ads or option to go ad-free


### Span

[App page](https://appshunter.io/ios/app/span-physics-bridge-builder/id6790187323)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Span Complete | $7.99 | one-time |


## Frequently asked questions

### Is Bridge Builder Simulator free?

Bridge Builder Simulator is free to download, with in-app purchases available.

### Is Span free?

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

### Do Bridge Builder Simulator or Span have ads?

Bridge Builder Simulator shows ads; Span does not.

### Which is updated more often, Bridge Builder Simulator or Span?

Bridge Builder Simulator ships an update every 3 months, and Span every 5 days. Most recently, Bridge Builder Simulator was updated on October 19, 2026 and Span on October 4, 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.*