# Groundspeed vs MantisX

The clearest difference is price: MantisX at Free against Groundspeed's $0.99. MantisX also leads on rating (4.6 vs 1.0) and update cadence (every 2 months vs every 57 months). On ads, in-app purchases and device support there is nothing between them.

MantisX is free to download; Groundspeed costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

MantisX holds the better App Store score, 4.6 against 1.0. Both are backed by a comparable volume of ratings — 2 and 8 respectively. Written reviews point the same way: 86% of Groundspeed's written reviews are positive against 100% of MantisX's.

Groundspeed ships an update every 57 months, MantisX every 2 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Groundspeed | MantisX |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/groundspeed/id682531292/reviews) | **[4.6 (8 ratings)](https://appshunter.io/ios/app/mantisx-shotgun/id1472573629/reviews)** |
| Number of ratings | 2 | **8** |
| Positive reviews | 85.7% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 57 months | **Every 2 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 1 MB | 184 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Heinrich Schnermann](https://appshunter.io/developer/663216482) | [Mantis Tech LLC](https://appshunter.io/developer/1497174554) |

## What reviewers say

### Groundspeed

[App page](https://appshunter.io/ios/app/groundspeed/id682531292)

This app provides an extra-large display for ground speed, ideal for extreme sports like parachuting and paragliding. It also functions as a versatile speedometer for activities such as skating, cycling, running, or in a car, with customizable units and display options.

**Highlights:** Extra-large display for ground speed, Supports parachuting, paragliding, skating, cycling, running, and car use, Switchable units: mph, knots, m/s, km/h, Adjustable decimal places, Tap controls for MIN/MAX reset and help, Rotation lock feature

**Features:** Vision Pro support

**In-app purchases:** none


### MantisX

[App page](https://appshunter.io/ios/app/mantisx-shotgun/id1472573629)

This training system analyzes your shotgun shooting mechanics using data collected by a separate sensor. It provides diagnostics to help you improve your accuracy and performance.

**Highlights:** Shotgun shooting improvement, Sensor data analysis, Shooting mechanics diagnostics, Performance tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Groundspeed free?

Groundspeed costs $0.99, with no in-app purchases.

### Is MantisX free?

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

### Which has better reviews, Groundspeed or MantisX?

MantisX is rated higher. Groundspeed averages 1.0 out of 5 from 2 ratings, while MantisX averages 4.6 from 8 ratings.

### Do Groundspeed or MantisX have ads?

Neither Groundspeed nor MantisX shows ads.

### Which is updated more often, Groundspeed or MantisX?

Groundspeed ships an update every 57 months, and MantisX every 2 months. Most recently, Groundspeed was updated on October 24, 2026 and MantisX 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.*