# NHDOT eFieldBook vs GVWR

The clearest difference is update cadence: GVWR at every 9 days against NHDOT eFieldBook's every 3 months. GVWR also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NHDOT eFieldBook ships an update every 3 months, GVWR every 9 days. The most recent releases landed on September 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NHDOT eFieldBook | GVWR |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/gvwr/id1524525204/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Free |
| Size | 35 MB | 34 MB |
| Requires iOS | 15.1 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ExeVision](https://appshunter.io/developer/1406987452) | [Hall Logic inc](https://appshunter.io/developer/1260786124) |

## What reviewers say

### NHDOT eFieldBook

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

**Features:** macOS Compatibility

**In-app purchases:** none


### GVWR

[App page](https://appshunter.io/ios/app/gvwr/id1524525204)

This free tool helps you tow safely by calculating if your truck and trailer setup is within safe weight limits. Input your vehicle and trailer ratings, cargo weight, and tongue weight for an instant safety assessment. Save multiple configurations for easy switching between different towing scenarios.

**Highlights:** Towing safety calculations, Input truck and trailer ratings, Calculate cargo and tongue weight, Save multiple towing setups, Real-time safety assessment

**In-app purchases:** none


## Frequently asked questions

### Is NHDOT eFieldBook free?

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

### Is GVWR free?

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

### Do NHDOT eFieldBook or GVWR have ads?

Neither NHDOT eFieldBook nor GVWR shows ads.

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

NHDOT eFieldBook ships an update every 3 months, and GVWR every 9 days. Most recently, NHDOT eFieldBook was updated on September 29, 2026 and GVWR on October 24, 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.*