# Chaos Theory Exploding Pro vs Bridge Constructor Portal

The clearest difference is in-app purchases: Chaos Theory Exploding Pro at none against Bridge Constructor Portal's 1. Chaos Theory Exploding Pro also leads on price ($0.29 vs $1.99). Bridge Constructor Portal's advantage is update cadence (every 2 months vs every 38 months) and chart position (#117 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Chaos Theory Exploding Pro costs $0.29 and Bridge Constructor Portal $1.99 up front. Bridge Constructor Portal sells 1 one-off in-app purchase. Chaos Theory Exploding Pro asks for nothing beyond the download.

Chaos Theory Exploding Pro ships an update every 38 months, Bridge Constructor Portal every 2 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Chaos Theory Exploding Pro | Bridge Constructor Portal |
| --- | --- | --- |
| Price | **$0.29** | $1.99 |
| Rating | — | **[4.8 (4.1K ratings)](https://appshunter.io/ios/app/bridge-constructor-portal/id1311353234/reviews)** |
| Number of ratings | — | **4.1K** |
| Positive reviews | — | 84.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 months** |
| Monetization | — | Paid |
| Best chart rank | — | **#117** |
| Size | 3 MB | 196 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ranz Ursal](https://appshunter.io/developer/1116871834) | [Headup GmbH](https://appshunter.io/developer/503190235) |

## What reviewers say

### Chaos Theory Exploding Pro

[App page](https://appshunter.io/ios/app/chaos-theory-exploding-pro/id1176267353)

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

**In-app purchases:** none


### Bridge Constructor Portal

[App page](https://appshunter.io/ios/app/bridge-constructor-portal/id1311353234)

**Currently charting:** #117 Top Paid · Puzzle, #187 Top Paid · Simulation (US App Store)

Construct bridges, ramps, and slides in a science lab environment. Utilize iconic gadgets like portals and gels to guide vehicles through challenging test chambers while avoiding hazards. Solve physics puzzles with guidance from a familiar AI.

**Highlights:** Bridge and ramp construction, Portal gadget integration, Physics-based puzzles, Hazard evasion, GLaDOS voice guidance, Test chamber challenges

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Portal Proficiency | $1.99 | one-time |

**What reviewers like**

- 🚀 Excellent physics engine
- 👍 Engaging Portal-themed puzzles
- 😄 Hilarious GlaDOS commentary
- 🤖 Seamless integration of Portal elements
- 💰 Good value for money

**What reviewers complain about**

- 🐛 Occasional save data loss issues
- 🤔 Difficulty ramps up too quickly
- 🕹️ Controls can be finicky on smaller screens
- 🎨 Lack of customization options

**Reported bugs**

- Ads appearing in paid version
- Inconsistent performance on older devices

**Requested features**

- Level editor and custom level sharing
- Leaderboards and challenge modes
- Ability to skip tutorial levels
- Cloud sync support for cross-device progress


## Frequently asked questions

### Is Chaos Theory Exploding Pro free?

Chaos Theory Exploding Pro costs $0.29, with no in-app purchases.

### Is Bridge Constructor Portal free?

Bridge Constructor Portal costs $1.99, and also offers in-app purchases.

### Do Chaos Theory Exploding Pro or Bridge Constructor Portal have ads?

Neither Chaos Theory Exploding Pro nor Bridge Constructor Portal shows ads.

### Which is updated more often, Chaos Theory Exploding Pro or Bridge Constructor Portal?

Chaos Theory Exploding Pro ships an update every 38 months, and Bridge Constructor Portal every 2 months. Most recently, Chaos Theory Exploding Pro was updated on October 26, 2026 and Bridge Constructor Portal on October 29, 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.*