# Bridge Constructor Portal vs while True

The clearest difference is in-app purchases: while True at none against Bridge Constructor Portal's 1. while True also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (11.0 vs 13.0). Bridge Constructor Portal's advantage is price ($0.99 vs $4.99) and chart position (#8 vs unranked). On rating, review sentiment, ads and monetization model there is nothing between them.

Bridge Constructor Portal costs $0.99 and while True $4.99 up front. Bridge Constructor Portal sells 1 one-off in-app purchase. while True asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Bridge Constructor Portal against 4.9 for while True. That said, the two scores are not equally well evidenced: Bridge Constructor Portal has 4.1K ratings behind it against 709, so its average is the more settled of the two. Written reviews are what separate them: 84% of Bridge Constructor Portal's written reviews are positive against 80% of while True's.

Bridge Constructor Portal ships an update every 2 months, while True every 4 days. Both last shipped on September 29, 2026.

## The numbers

| Metric | Bridge Constructor Portal | while True |
| --- | --- | --- |
| Price | **$0.99** | $4.99 |
| Rating | [4.8 (4.1K ratings)](https://appshunter.io/ios/app/bridge-constructor-portal/id1311353234/reviews) | **[4.9 (709 ratings)](https://appshunter.io/ios/app/while-true-learn/id1443569124/reviews)** |
| Number of ratings | **4.1K** | 709 |
| Positive reviews | **84.5% of reviews** | 80.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#8** | — |
| Size | 196 MB | 577 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Headup GmbH](https://appshunter.io/developer/503190235) | [LUDENIO LABS LTD](https://appshunter.io/developer/6780936726) |

## What reviewers say

### Bridge Constructor Portal

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

**Currently charting:** #8 Top Paid · Puzzle, #31 Top Paid · Simulation, #74 Top Paid · Games, #120 Top Paid (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


### while True

[App page](https://appshunter.io/ios/app/while-true-learn/id1443569124)

Engage in a puzzle simulation game where you learn about machine learning, neural networks, and AI by building a cat-to-human speech recognition system. No coding experience is required to play.

**Highlights:** Machine learning and AI puzzles, Visual programming interface, Cat-to-human speech recognition system, Real-life machine learning concepts, Freelancer simulation, Problem-solving challenges

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great game with good coverage of topics
- 💡 Humorous and educational
- 👍 Fun and challenging puzzles
- 👍 Logical thinking process similar to programming
- 👍 Informative links to real-world concepts

**What reviewers complain about**

- 🐛 Bugs and crashes, especially on older devices
- 🔋 High battery consumption
- 👎 UI issues, such as tiny text and fiddly controls
- 👎 Inconsistent quality of external links
- 🐛 Saved progress deleted after updates

**Reported bugs**

- AI car behavior issues
- Clipboard access problems
- Startup investment income not calculating correctly
- Evolve button not working on iOS
- Frequent crashes, especially on older devices

**Requested features**

- Cross-device save data synchronization
- More music and audio options
- Improved UI scaling and readability
- Better in-game help and tutorials
- Expanded machine learning and data science content


## Frequently asked questions

### Is Bridge Constructor Portal free?

Bridge Constructor Portal costs $0.99, and also offers in-app purchases.

### Is while True free?

while True costs $4.99, with no in-app purchases.

### Which has better reviews, Bridge Constructor Portal or while True?

while True is rated higher. Bridge Constructor Portal averages 4.8 out of 5 from 4.1K ratings, while while True averages 4.9 from 709 ratings.

### Do Bridge Constructor Portal or while True have ads?

Neither Bridge Constructor Portal nor while True shows ads.

### Which is updated more often, Bridge Constructor Portal or while True?

Bridge Constructor Portal ships an update every 2 months, and while True every 4 days. Most recently, Bridge Constructor Portal was updated on September 29, 2026 and while True on September 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.*