# QTH Grid Square Locator vs Visio Driver Assistant

The clearest difference is in-app purchases: QTH Grid Square Locator at none against Visio Driver Assistant's 1. QTH Grid Square Locator also leads on ads (none vs shown) and update cadence (daily vs every 2 weeks). Visio Driver Assistant's advantage is iOS requirement (14.0 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Visio Driver Assistant sells 1 one-off in-app purchase. QTH Grid Square Locator asks for nothing beyond the download.

QTH Grid Square Locator ships an update daily, Visio Driver Assistant every 2 weeks. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | QTH Grid Square Locator | Visio Driver Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/visio-driver-assistant/id6743371166/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 84 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ugur Altinsoy](https://appshunter.io/developer/1721426307) | [Gerardo Herrera](https://appshunter.io/developer/1504120670) |

## What reviewers say

### QTH Grid Square Locator

[App page](https://appshunter.io/ios/app/qth-grid-square-locator/id6738007254)

Calculate your Maidenhead grid locator accurately using your device's GPS. This tool is designed for amateur radio operators, offering real-time calculations and offline functionality for contests and DX communication.

**Highlights:** Real-time GPS location calculation, Maidenhead grid system support, Offline functionality, Interactive map view, Optimized for amateur radio

**Features:** macOS Compatibility

**In-app purchases:** none


### Visio Driver Assistant

[App page](https://appshunter.io/ios/app/visio-driver-assistant/id6743371166)

This application uses your device's camera to detect objects on the road and provides timely alerts to enhance driving safety. A premium version offers advanced features like saving critical event images and custom alert sounds.

**Highlights:** Object detection while driving, Customizable alert levels, Save critical event images (Premium), Choose custom alert sounds (Premium), Intelligent alert triggering

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium One | $2.99 | one-time |


## Frequently asked questions

### Is QTH Grid Square Locator free?

QTH Grid Square Locator is free to download, with no in-app purchases.

### Is Visio Driver Assistant free?

Visio Driver Assistant is free to download, with in-app purchases available.

### Do QTH Grid Square Locator or Visio Driver Assistant have ads?

Visio Driver Assistant shows ads; QTH Grid Square Locator does not.

### Which is updated more often, QTH Grid Square Locator or Visio Driver Assistant?

QTH Grid Square Locator ships an update daily, and Visio Driver Assistant every 2 weeks. Most recently, QTH Grid Square Locator was updated on October 24, 2026 and Visio Driver Assistant on October 11, 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.*