# Theory Test Pro vs One

The clearest difference is in-app purchases: One at none against Theory Test Pro's 1. One also leads on review sentiment (100% vs 67%). Theory Test Pro's advantage is update cadence (monthly vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Theory Test Pro sells 1 one-off in-app purchase. One asks for nothing beyond the download.

Theory Test Pro ships an update monthly, One every 4 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Theory Test Pro | One |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/theory-test-pro/id637830653/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 67.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 132 MB | 28 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Well Informed](https://appshunter.io/developer/339556473) | [City College Norwich](https://appshunter.io/developer/727704926) |

## What reviewers say

### Theory Test Pro

[App page](https://appshunter.io/ios/app/theory-test-pro/id637830653)

Prepare for your driving theory and hazard perception tests with a comprehensive practice app. Access DVSA hazard perception clips, a large question bank, and helpful tutorials. This app aims to significantly improve your chances of passing your official tests.

**Highlights:** DVSA Hazard Perception clips, 70+ exclusive hazard perception clips, 960 practice questions, Tutorial video, Replay mode, Question hints and explanations, Audio for multiple choice questions

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

**In-app purchases (1)**

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

**What reviewers like**

- ✅ Passed theory test
- 👍 Easy to use
- 💯 Questions identical to actual test
- 💡 Great for neurodivergent users
- 📚 Covers all topics

**What reviewers complain about**

- 🐛 Questions don't match test
- 📉 Hazard perception different
- ❌ Account deletion issues
- 🔒 Full access lost
- 😵 Login system problematic

**Reported bugs**

- Account unable to delete
- Full access taken away
- Cannot log into account from app
- Logged out after payment
- Progress reset after update

**Requested features**

- Dark mode
- Algorithm for spaced repetition (like Anki)
- Update hazard perception clips
- Bring back explanation for wrong answers
- Fix screen rotation bug


### One

[App page](https://appshunter.io/ios/app/one-college/id6458744389)

Access personalized academic and campus information, stay updated on events, and connect with tutors and peers. Build learning and social communities, and follow student union clubs.

**Highlights:** Personalized academic information access, Campus-wide event updates, Safe communication and collaboration, Learning and social community building, Student Union club following

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

**In-app purchases:** none


## Frequently asked questions

### Is Theory Test Pro free?

Theory Test Pro is free to download, with in-app purchases available.

### Is One free?

One is free to download, with no in-app purchases.

### Do Theory Test Pro or One have ads?

Neither Theory Test Pro nor One shows ads.

### Which is updated more often, Theory Test Pro or One?

Theory Test Pro ships an update monthly, and One every 4 months. Most recently, Theory Test Pro was updated on October 26, 2026 and One on October 19, 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.*