# Bridge Constructor Studio vs Circuit Detective

The clearest difference is price: Bridge Constructor Studio at Free against Circuit Detective's $6.99. Bridge Constructor Studio also leads on iOS requirement (16.0 vs 26.0). Circuit Detective's advantage is in-app purchases (none vs 1) and chart position (#191 vs unranked). On update cadence, ads and device support there is nothing between them.

Bridge Constructor Studio is free to download; Circuit Detective costs $6.99 up front. Bridge Constructor Studio sells 1 one-off in-app purchase. Circuit Detective asks for nothing beyond the download.

Bridge Constructor Studio ships an update weekly, Circuit Detective every 9 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Bridge Constructor Studio | Circuit Detective |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | **[4.5 (1.7K ratings)](https://appshunter.io/ios/app/bridge-constructor-studio/id6745402280/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 41.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 9 days |
| Monetization | Free with in-app purchases | — |
| Best chart rank | — | **#191** |
| Size | 428 MB | 19 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Headup GmbH](https://appshunter.io/developer/503190235) | [SOHEIL RAMEZANI](https://appshunter.io/developer/6794071664) |

## What reviewers say

### Bridge Constructor Studio

[App page](https://appshunter.io/ios/app/bridge-constructor-studio/id6745402280)

Test your engineering skills in this physics-based puzzle game. Design and build bridges in animated 3D environments, then simulate their stability. Unleash your creativity with no budget or material restrictions, or take on optional challenges.

**Highlights:** 70 challenging puzzles, Limitless creativity with no budget restrictions, Build across five diverse environments, Seven unique vehicles for varied challenges, Intuitive building system, Create up to five player profiles

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $4.99 | one-time |

**What reviewers like**

- 🌟 Cozy atmosphere
- 💰 No ads

**What reviewers complain about**

- 🤕 Janky game mechanics
- 💸 Misleading as a free game
- 🔨 Lack of editing tools
- 🤔 Confusing progression

**Reported bugs**

- Purchase issues
- Stress display not working

**Requested features**

- More editing tools
- Better tutorial and progression


### Circuit Detective

[App page](https://appshunter.io/ios/app/circuit-detective/id6813993713)

**Currently charting:** #191 Top Paid · Puzzle (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bridge Constructor Studio free?

Bridge Constructor Studio is free to download, with in-app purchases available.

### Is Circuit Detective free?

Circuit Detective costs $6.99, with no in-app purchases.

### Do Bridge Constructor Studio or Circuit Detective have ads?

Neither Bridge Constructor Studio nor Circuit Detective shows ads.

### Which is updated more often, Bridge Constructor Studio or Circuit Detective?

Bridge Constructor Studio ships an update weekly, and Circuit Detective every 9 days. Most recently, Bridge Constructor Studio was updated on October 16, 2026 and Circuit Detective on October 8, 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.*