# iGearbox vs DMV Practice Test + AI Coach

The clearest difference is review sentiment: DMV Practice Test + AI Coach at 100% against iGearbox's 17%. DMV Practice Test + AI Coach also leads on price (Free vs $4.99) and rating (5.0 vs 3.0). iGearbox's advantage is in-app purchases (none vs 3) and ratings volume (6 vs 1). On ads and device support there is nothing between them.

DMV Practice Test + AI Coach is free to download; iGearbox costs $4.99 up front. DMV Practice Test + AI Coach sells 3 in-app purchases, starting at $4.99 per month. iGearbox asks for nothing beyond the download.

DMV Practice Test + AI Coach holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: iGearbox has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 17% of iGearbox's written reviews are positive against 100% of DMV Practice Test + AI Coach's.

iGearbox ships an update every 55 months, DMV Practice Test + AI Coach every 3 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iGearbox | DMV Practice Test + AI Coach |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | [3.0 (6 ratings)](https://appshunter.io/ios/app/igearbox/id451320370/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dmv-practice-test-plus-ai-coach/id6742561500/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 16.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 55 months | **Every 3 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 12 MB | 78 MB |
| Requires iOS | **12.0** | 14.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Motionics LLC](https://appshunter.io/developer/424498959) | [Sayem Hossain](https://appshunter.io/developer/1787693140) |

## What reviewers say

### iGearbox

[App page](https://appshunter.io/ios/app/igearbox/id451320370)

This app provides interactive tools to calculate gearbox ratios for regular and planetary gearboxes. It features a drag-and-drop design environment for gear trains and a dynamic graphic simulation for planetary gear sets, aiding in understanding and calculation.

**Highlights:** Interactive gear train design, Planetary gear set simulation, Ratio and speed calculations, Multiple gear train configurations, Dynamic component motion animations, Symbolic ratio equations, Dropbox data upload

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

**In-app purchases:** none


### DMV Practice Test + AI Coach

[App page](https://appshunter.io/ios/app/dmv-practice-test-plus-ai-coach/id6742561500)

Prepare for your state's DMV written test and driving exam with state-specific practice tests and simulated exams. Features adaptive learning to target weak areas and provides instant feedback with detailed explanations to help you pass on your first try.

**Highlights:** State-specific practice tests, Adaptive learning engine, Real exam simulations, Instant feedback and explanations, Updated for 2025 regulations, Flexible study plans

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access | $4.99 | per month |
| Full Access | $29.99 | per year |
| Full Access | $4.99 | one-time |


## Frequently asked questions

### Is iGearbox free?

iGearbox costs $4.99, with no in-app purchases.

### Is DMV Practice Test + AI Coach free?

DMV Practice Test + AI Coach is free to download, with in-app purchases available.

### Which has better reviews, iGearbox or DMV Practice Test + AI Coach?

DMV Practice Test + AI Coach is rated higher. iGearbox averages 3.0 out of 5 from 6 ratings, while DMV Practice Test + AI Coach averages 5.0 from 1 ratings.

### Do iGearbox or DMV Practice Test + AI Coach have ads?

Neither iGearbox nor DMV Practice Test + AI Coach shows ads.

### Which is updated more often, iGearbox or DMV Practice Test + AI Coach?

iGearbox ships an update every 55 months, and DMV Practice Test + AI Coach every 3 days. Most recently, iGearbox was updated on October 23, 2026 and DMV Practice Test + AI Coach on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*