# HGV Theory Test Kit vs DrillBook

The clearest difference is review sentiment: HGV Theory Test Kit at 70% against DrillBook's 0%. HGV Theory Test Kit also leads on rating (4.6 vs 2.0) and update cadence (weekly vs monthly). DrillBook's advantage is in-app purchases (none vs 10) and iOS requirement (13.4 vs 15). On price, ads and device support there is nothing between them.

Both are free to download. HGV Theory Test Kit sells 10 in-app purchases, starting at $8.99 per month. DrillBook asks for nothing beyond the download.

HGV Theory Test Kit holds the better App Store score, 4.6 against 2.0. That said, the two scores are not equally well evidenced: HGV Theory Test Kit has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 70% of HGV Theory Test Kit's written reviews are positive against 0% of DrillBook's.

HGV Theory Test Kit ships an update weekly, DrillBook monthly. The most recent releases landed on September 26, 2026 and June 4, 2026 respectively.

## The numbers

| Metric | HGV Theory Test Kit | DrillBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/hgv-theory-test-kit/id490449948/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/drillbook/id6450790708/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | **70.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 78 MB | 39 MB |
| Requires iOS | 15 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Deep River Development Ltd](https://appshunter.io/developer/489255197) | [Adam Bizsley](https://appshunter.io/developer/1694955780) |

## What reviewers say

### HGV Theory Test Kit

[App page](https://appshunter.io/ios/app/hgv-theory-test-kit/id490449948)

Prepare for your UK LGV/HGV theory test with comprehensive revision materials. Access over 900 DVSA questions, hazard perception videos, case studies, and the Highway Code. Features include AI-powered learning, voiceover support, and offline access.

**Highlights:** 900+ DVSA revision questions, Hazard perception videos, Unlimited mock tests, AI-powered learning, Highway Code access, Case studies for CPC Part 2, Voiceover support

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Silver v1 | $8.99 | per month |
| Monthly Silver v1t | $8.99 | per month |
| CPC Part 2 | $9.99 | per month |
| Monthly Gold v1 | $10.49 | per month |
| Monthly Gold v1t | $10.49 | per month |
| LGV Theory Test 4 in 1 | $11.49 | per month |
| Monthly Platinum v1t | $11.49 | per month |
| Full access | $14.99 | per month |
| Free Hazard Perception Videos | Free | one-time |
| LGV Theory Test 4 in 1 | $11.99 | one-time |

**What reviewers like**

- 👍 Great for passing tests
- 👍 User-friendly interface
- 👍 Comprehensive study material
- 👍 Helpful for theory and hazard perception
- 👍 Good for revision

**What reviewers complain about**

- 👎 Questions outdated/irrelevant
- 👎 Content not matching real tests
- 👎 Expensive subscription model
- 👎 Repetitive questions
- 👎 Unrealistic question wording

**Reported bugs**

- App locks after purchase
- Premium features not unlocked
- Subscription not cancelling
- Progress resets
- Content locked after purchase

**Requested features**

- Add voice over
- Update questions and data
- Easier to move between questions
- Option to review flagged questions by section


### DrillBook

[App page](https://appshunter.io/ios/app/drillbook/id6450790708)

Access a community-built library of training content created by firefighters for firefighters. Ideal for new officers, instructors, and anyone needing ideas for training sessions.

**Highlights:** Community-built content library, Firefighter training resources, Content for new officers, Instructor training support, Ideas for training sessions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HGV Theory Test Kit free?

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

### Is DrillBook free?

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

### Which has better reviews, HGV Theory Test Kit or DrillBook?

HGV Theory Test Kit is rated higher. HGV Theory Test Kit averages 4.6 out of 5 from 10 ratings, while DrillBook averages 2.0 from 1 ratings.

### Do HGV Theory Test Kit or DrillBook have ads?

Neither HGV Theory Test Kit nor DrillBook shows ads.

### Which is updated more often, HGV Theory Test Kit or DrillBook?

HGV Theory Test Kit ships an update weekly, and DrillBook monthly. Most recently, HGV Theory Test Kit was updated on September 26, 2026 and DrillBook on June 4, 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.*