# 300 Main vs HUD GPS Speedometer

The clearest difference is rating: 300 Main at 5.0 against HUD GPS Speedometer's 4.2. 300 Main also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. HUD GPS Speedometer sells 2 in-app purchases, starting at $5.99 per 7 days. 300 Main asks for nothing beyond the download.

300 Main holds the better App Store score, 5.0 against 4.2. Both are backed by a comparable volume of ratings — 26 and 6 respectively.

300 Main ships an update fortnightly, HUD GPS Speedometer every 3 months. The most recent releases landed on September 21, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 300 Main | HUD GPS Speedometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (26 ratings)](https://appshunter.io/ios/app/300-main/id6545801602/reviews)** | [4.2 (6 ratings)](https://appshunter.io/ios/app/hud-gps-speedometer/id6686400607/reviews) |
| Number of ratings | **26** | 6 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 266 MB | 19 MB |
| Requires iOS | 16.6 | **15.6** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Livly Inc](https://appshunter.io/developer/1456628010) | [XIAOLEI LI](https://appshunter.io/developer/806257827) |

## What reviewers say

### 300 Main

[App page](https://appshunter.io/ios/app/300-main/id6545801602)

Manage your living experience with a suite of online services. Book amenities, submit service requests, communicate with management, and handle payments seamlessly. Focus on enjoying your life with convenient access to all your building's offerings.

**Highlights:** Amenity reservations, Service requests, Resident messaging, Online payments, Concierge services

**Features:** Apple Wallet

**In-app purchases:** none


### HUD GPS Speedometer

[App page](https://appshunter.io/ios/app/hud-gps-speedometer/id6686400607)

This app transforms your phone into a precise GPS speedometer and odometer. It tracks speed in MPH/KPH, offers speed limit alerts, and features a HUD mode for windshield projection. Ideal for drivers and cyclists.

**Highlights:** Real-time speed tracking (MPH/KPH), Odometer functionality, GPS-based accuracy, Speed limit alerts, HUD display mode, Driving history and statistics

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Subscription | $5.99 | per 7 days |
| Premium Yearly Subscription | $19.99 | per year |


## Frequently asked questions

### Is 300 Main free?

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

### Is HUD GPS Speedometer free?

HUD GPS Speedometer is free to download, with in-app purchases available.

### Which has better reviews, 300 Main or HUD GPS Speedometer?

300 Main is rated higher. 300 Main averages 5.0 out of 5 from 26 ratings, while HUD GPS Speedometer averages 4.2 from 6 ratings.

### Do 300 Main or HUD GPS Speedometer have ads?

HUD GPS Speedometer shows ads; 300 Main does not.

### Which is updated more often, 300 Main or HUD GPS Speedometer?

300 Main ships an update fortnightly, and HUD GPS Speedometer every 3 months. Most recently, 300 Main was updated on September 21, 2026 and HUD GPS Speedometer on September 9, 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.*