# Simple Speedometer vs Knot/Knop Meter

The clearest difference is update cadence: Knot/Knop Meter at every 2 days against Simple Speedometer's every 2 months. 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.

Simple Speedometer ships an update every 2 months, Knot/Knop Meter every 2 days. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Simple Speedometer | Knot/Knop Meter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/simple-speedometer-car-hud/id6766836367/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 10 MB | 12 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Viionr Infotech Private Limited](https://appshunter.io/developer/1572986683) | [OFL AS](https://appshunter.io/developer/6785120538) |

## What reviewers say

### Simple Speedometer

[App page](https://appshunter.io/ios/app/simple-speedometer-car-hud/id6766836367)

This app transforms your iPhone into a precise GPS speedometer, offering a heads-up display (HUD) for windshield viewing, trip logging, and speed alerts. It supports various units and provides detailed trip data, all while prioritizing user privacy with no ads or accounts.

**Highlights:** Live GPS speed readout, HUD mode for windshield display, Trip odometer and driving log, Speed limit alerts, Voice announcements, Compass and altitude display, GPX/CSV trip export

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

**In-app purchases:** none


### Knot/Knop Meter

[App page](https://appshunter.io/ios/app/knotknop-meter/id6785120535)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Speedometer free?

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

### Is Knot/Knop Meter free?

Knot/Knop Meter is free to download, with no in-app purchases.

### Do Simple Speedometer or Knot/Knop Meter have ads?

Neither Simple Speedometer nor Knot/Knop Meter shows ads.

### Which is updated more often, Simple Speedometer or Knot/Knop Meter?

Simple Speedometer ships an update every 2 months, and Knot/Knop Meter every 2 days. Most recently, Simple Speedometer was updated on October 28, 2026 and Knot/Knop Meter 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.*