# Hazard Perception Test Kit vs DfT Know Your Traffic Signs

The clearest difference is review sentiment: DfT Know Your Traffic Signs at 78% against Hazard Perception Test Kit's 20%. DfT Know Your Traffic Signs also leads on in-app purchases (none vs 3). Hazard Perception Test Kit's advantage is price (Free vs $2.99) and update cadence (weekly vs every 4 months). On ads, device support and iOS requirement there is nothing between them.

Hazard Perception Test Kit is free to download; DfT Know Your Traffic Signs costs $2.99 up front. Hazard Perception Test Kit sells 3 one-off in-app purchases. DfT Know Your Traffic Signs asks for nothing beyond the download.

Hazard Perception Test Kit ships an update weekly, DfT Know Your Traffic Signs every 4 months. The most recent releases landed on November 8, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Hazard Perception Test Kit | DfT Know Your Traffic Signs |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/hazard-perception-test-kit/id535111579/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 20.3% of reviews | **77.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 70 MB | 99 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deep River Development Ltd](https://appshunter.io/developer/489255197) | [TSO (The Stationery Office)](https://appshunter.io/developer/463289102) |

## What reviewers say

### Hazard Perception Test Kit

[App page](https://appshunter.io/ios/app/hazard-perception-test-kit/id535111579)

Prepare for your UK driving theory test with licensed revision videos. Features interactive scoring, cheat detection, and progress tracking to help you master hazard perception.

**Highlights:** 80 DVSA licensed revision videos, Interactive scoring with explanations, Cheat detection software, Progress tracking, Professional explanations for each video, UK-based support team

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HPT Full Version | $3.99 | one-time |
| Full Hazard Perception Videos | $3.99 | one-time |
| Hazard Perception Test 4 in 1 | $4.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💡 Helpful for passing theory test
- 👍 Good for hazard perception practice
- 💡 Records clicks correctly
- 💡 Shows pass mark location

**What reviewers complain about**

- 🐛 Videos not loading
- 🐛 Videos not playing
- 🐛 App keeps bugging out
- 🐛 Only 2-3 videos free
- 🐛 Subscription issues

**Reported bugs**

- Videos not loading/playing
- Subscription not working/bugging out
- Paid content not unlocking
- App crashes or doesn't open
- Download errors

**Requested features**

- More free videos
- Clearer pricing for subscriptions
- Better video resolution
- Improved scoring system
- More detailed feedback after videos


### DfT Know Your Traffic Signs

[App page](https://appshunter.io/ios/app/dft-know-your-traffic-signs/id6466648716)

Master UK road and traffic signs to pass your theory test. This app offers an interactive guide with over 1000 signs, practice questions, and a progress tracker. Learn anytime, anywhere, even offline.

**Highlights:** Interactive official sign guide, Over 1000 signs, markings, and layouts, 150 practice questions with explanations, Advanced search feature, English voiceover option, Progress gauge for readiness assessment, Offline usability

**In-app purchases:** none


## Frequently asked questions

### Is Hazard Perception Test Kit free?

Hazard Perception Test Kit is free to download, with in-app purchases available.

### Is DfT Know Your Traffic Signs free?

DfT Know Your Traffic Signs costs $2.99, with no in-app purchases.

### Do Hazard Perception Test Kit or DfT Know Your Traffic Signs have ads?

Neither Hazard Perception Test Kit nor DfT Know Your Traffic Signs shows ads.

### Which is updated more often, Hazard Perception Test Kit or DfT Know Your Traffic Signs?

Hazard Perception Test Kit ships an update weekly, and DfT Know Your Traffic Signs every 4 months. Most recently, Hazard Perception Test Kit was updated on November 8, 2026 and DfT Know Your Traffic Signs on November 7, 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.*