# hobDrive vs NHDOT eFieldBook

The clearest difference is in-app purchases: NHDOT eFieldBook at none against hobDrive's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. hobDrive sells 4 one-off in-app purchases. NHDOT eFieldBook asks for nothing beyond the download.

hobDrive ships an update every 4 months, NHDOT eFieldBook every 3 months. The most recent releases landed on October 18, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | hobDrive | NHDOT eFieldBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 126 MB | 35 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RID OOO](https://appshunter.io/developer/1551659321) | [ExeVision](https://appshunter.io/developer/1406987452) |

## What reviewers say

### hobDrive

[App page](https://appshunter.io/ios/app/hobdrive/id1034660443)

This intelligent trip computer and OBD2 diagnostic software uses your vehicle adapter and GPS to calculate trip information, monitor engine diagnostics, and track performance metrics. It offers detailed fuel efficiency calculations and trip planning features for a comprehensive driving analysis.

**Highlights:** OBD2 PIDs and custom sensor support, Enhanced engine diagnostics and code explanation, Detailed trip computer with MPG calculations, Performance tools (0-100, braking, HP, torque), Hybrid vehicle specific features, Trip planning and fueling records, GPS tracking and map overlay

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime license (existing) | $7.99 | one-time |
| Lifetime license | $12.99 | one-time |
| Lifetime License / existing | $12.99 | one-time |
| Lifetime License | $19.99 | one-time |


### NHDOT eFieldBook

[App page](https://appshunter.io/ios/app/nhdot-efieldbook/id1406987454)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is hobDrive free?

hobDrive is free to download, with in-app purchases available.

### Is NHDOT eFieldBook free?

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

### Do hobDrive or NHDOT eFieldBook have ads?

Neither hobDrive nor NHDOT eFieldBook shows ads.

### Which is updated more often, hobDrive or NHDOT eFieldBook?

hobDrive ships an update every 4 months, and NHDOT eFieldBook every 3 months. Most recently, hobDrive was updated on October 18, 2026 and NHDOT eFieldBook on September 29, 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.*