# Hazard Perception Test. Vol 1 vs Digital Electronics Quiz

The clearest difference is price: Digital Electronics Quiz at Free against Hazard Perception Test. Vol 1's $1.99. Digital Electronics Quiz also leads on update cadence (every 3 weeks vs every 19 months). Hazard Perception Test. Vol 1's advantage is in-app purchases (none vs 7) and ads (none vs shown). On device support there is nothing between them.

Digital Electronics Quiz is free to download; Hazard Perception Test. Vol 1 costs $1.99 up front. Digital Electronics Quiz sells 7 in-app purchases, starting at $4.99 per month. Hazard Perception Test. Vol 1 asks for nothing beyond the download.

Hazard Perception Test. Vol 1 ships an update every 19 months, Digital Electronics Quiz every 3 weeks. The most recent releases landed on October 30, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Hazard Perception Test. Vol 1 | Digital Electronics Quiz |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/digital-electronics-quiz/id1583491646/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 13.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 19 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 338 MB | 68 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iteration Mobile S.L](https://appshunter.io/developer/305205816) | [Arshad Iqbal](https://appshunter.io/developer/1547001151) |

## What reviewers say

### Hazard Perception Test. Vol 1

[App page](https://appshunter.io/ios/app/hazard-perception-test-vol-1/id492370473)

Prepare for your driving theory test with realistic hazard perception video clips. Practice identifying hazards by tapping your screen to score points, with detailed review modes to track your progress and improve reaction time.

**Highlights:** DVSA-licensed hazard perception clips, Realistic test simulation, Tap screen to identify hazards, Scoring from five to zero points, Review mode for detailed analysis, Progress tracking for scores and attempts

**Features:** Vision Pro support

**In-app purchases:** none


### Digital Electronics Quiz

[App page](https://appshunter.io/ios/app/digital-electronics-quiz/id1583491646)

Practice over 1400 digital electronics multiple-choice questions covering a wide range of topics. This app serves as a self-assessment tool and quick study guide for engineering students, offering comprehensive notes and practice tests.

**Highlights:** 1400+ digital electronics MCQs, Self-assessment tests, Quick study guide, Covers basic and advanced topics, Chapter-wise quizzes, Revision notes

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Package | $4.99 | per month |
| 3 Months Package | $9.99 | per 3 months |
| 6 Months Package | $14.99 | per 6 months |
| 1 Year Package | $19.99 | per year |
| 1500 Coins | $0.99 | one-time |
| 3500 Coins | $1.99 | one-time |
| 6000 Coins | $2.99 | one-time |


## Frequently asked questions

### Is Hazard Perception Test. Vol 1 free?

Hazard Perception Test. Vol 1 costs $1.99, with no in-app purchases.

### Is Digital Electronics Quiz free?

Digital Electronics Quiz is free to download, with in-app purchases available.

### Do Hazard Perception Test. Vol 1 or Digital Electronics Quiz have ads?

Digital Electronics Quiz shows ads; Hazard Perception Test. Vol 1 does not.

### Which is updated more often, Hazard Perception Test. Vol 1 or Digital Electronics Quiz?

Hazard Perception Test. Vol 1 ships an update every 19 months, and Digital Electronics Quiz every 3 weeks. Most recently, Hazard Perception Test. Vol 1 was updated on October 30, 2026 and Digital Electronics Quiz on September 25, 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.*