# Poly Bridge 3 vs Span

Poly Bridge 3 and Span are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Poly Bridge 3 sells 1 one-off in-app purchase and Span sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Poly Bridge 3 ships an update every 4 days, Span every 5 days. The most recent releases landed on October 24, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Poly Bridge 3 | Span |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (135 ratings)](https://appshunter.io/ios/app/poly-bridge-3/id1586851637/reviews)** | — |
| Number of ratings | **135** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 492 MB | 60 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dry Cactus](https://appshunter.io/developer/1197552567) | [Dodecki Labs](https://appshunter.io/developer/1571436485) |

## What reviewers say

### Poly Bridge 3

[App page](https://appshunter.io/ios/app/poly-bridge-3/id1586851637)

A physics-based puzzle game where you design and build bridges to guide vehicles to their destinations. Explore diverse levels, experiment with different bridge types, and test your engineering creativity in open-world and sandbox modes.

**Highlights:** Build various bridge types, Physics-based simulation, Open World Campaign, Sandbox mode for creativity, Leaderboards and player gallery, Custom physics engine

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All | $4.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging gameplay
- 🧠 Challenging and makes you feel like an engineer
- ✨ Great physics
- 😌 Relaxing and pure fun
- 📱 Good for mobile

**What reviewers complain about**

- 🐛 Game-breaking bug with hydraulics
- 🔇 No audio in silent mode
- ⭐ Unclear requirement to get stars
- 🧰 Limits creativity and bad snapping
- 💸 Paid full game after free trial

**Reported bugs**

- Game breaking bug where hydraulics won’t pull asphalt apart
- No audio when in silent mode
- No audio
- Game kept bugging, wouldn’t let me place anything in the sandbox
- Game Center can’t reconnect after reinstalling

**Requested features**

- Turn off silent mode to hear game audio
- Add workshop and ability to share bridges
- Bring weekly mode to iOS
- Allow players to upload levels for others to play
- Add an Olympics mode


### 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 Poly Bridge 3 free?

Poly Bridge 3 is free to download, with in-app purchases available.

### Is Span free?

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

### Do Poly Bridge 3 or Span have ads?

Neither Poly Bridge 3 nor Span shows ads.

### Which is updated more often, Poly Bridge 3 or Span?

Poly Bridge 3 ships an update every 4 days, and Span every 5 days. Most recently, Poly Bridge 3 was updated on October 24, 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.*