# Highways & Roadwork Calculator vs Notes Vault

The clearest difference is price: Notes Vault at Free against Highways & Roadwork Calculator's $2.99. Notes Vault also leads on rating (5.0 vs 4.0) and update cadence (every 2 months vs every 31 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Notes Vault is free to download; Highways & Roadwork Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Notes Vault holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 4 and 5 respectively.

Highways & Roadwork Calculator ships an update every 31 months, Notes Vault every 2 months. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Highways & Roadwork Calculator | Notes Vault |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/highways-and-roadwork-calculator/id661032270/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/notes-vault/id6502246101/reviews)** |
| Number of ratings | 4 | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 31 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 6 MB | 10 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) | [Praxticus Mobile Labs LLC](https://appshunter.io/developer/1155766939) |

## What reviewers say

### Highways & Roadwork Calculator

[App page](https://appshunter.io/ios/app/highways-and-roadwork-calculator/id661032270)

This app provides 37 calculators for civil engineering tasks related to highways and roads. It supports both Imperial (USCS) and Metric (SI) units for various calculations, including curves, grades, and structural elements.

**Highlights:** 37 specialized calculators, Highway and road engineering, Imperial (USCS) and Metric (SI) units, Circular curve calculations, Parabolic curve calculations, Structural number calculations, Pipe and culvert design

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

**In-app purchases:** none


### Notes Vault

[App page](https://appshunter.io/ios/app/notes-vault/id6502246101)

Securely store and organize your personal notes in a private vault. This application offers a straightforward interface for easy note-taking and quick retrieval.

**Highlights:** Secure note vault, Easy note storage, Quick search functionality, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Highways & Roadwork Calculator free?

Highways & Roadwork Calculator costs $2.99, with no in-app purchases.

### Is Notes Vault free?

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

### Which has better reviews, Highways & Roadwork Calculator or Notes Vault?

Notes Vault is rated higher. Highways & Roadwork Calculator averages 4.0 out of 5 from 4 ratings, while Notes Vault averages 5.0 from 5 ratings.

### Do Highways & Roadwork Calculator or Notes Vault have ads?

Neither Highways & Roadwork Calculator nor Notes Vault shows ads.

### Which is updated more often, Highways & Roadwork Calculator or Notes Vault?

Highways & Roadwork Calculator ships an update every 31 months, and Notes Vault every 2 months. Most recently, Highways & Roadwork Calculator was updated on October 23, 2026 and Notes Vault on October 6, 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.*