# Groundspeed vs LB Altimeters

The clearest difference is price: LB Altimeters at Free against Groundspeed's $0.99. LB Altimeters also leads on rating (3.7 vs 1.0) and update cadence (every 9 months vs every 57 months). Groundspeed's advantage is review sentiment (86% vs 50%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

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

LB Altimeters holds the better App Store score, 3.7 against 1.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews complicate that: 86% of Groundspeed's written reviews are positive against 50% of LB Altimeters's, so the app with the better star average is not the one people write more warmly about.

Groundspeed ships an update every 57 months, LB Altimeters every 9 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Groundspeed | LB Altimeters |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/groundspeed/id682531292/reviews) | **[3.7 (3 ratings)](https://appshunter.io/ios/app/lb-altimeters-jumptrack/id1562297391/reviews)** |
| Number of ratings | 2 | **3** |
| Positive reviews | **85.7% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 57 months | **Every 9 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 83 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Heinrich Schnermann](https://appshunter.io/developer/663216482) | [Larsen and Brusgaard](https://appshunter.io/developer/935595070) |

## 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


### LB Altimeters

[App page](https://appshunter.io/ios/app/lb-altimeters-jumptrack/id1562297391)

This app serves as a digital logbook for skydiving, allowing users to track jumps, gear maintenance, and certifications. It can import jump data from compatible devices via Bluetooth and offers cloud backup for all logged information.

**Highlights:** USPA approved digital logbook, Import jumps via Bluetooth, Gear maintenance tracking, Cloud-based backup, Device control for altimeters, Customizable logbook types

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

**In-app purchases:** none


## Frequently asked questions

### Is Groundspeed free?

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

### Is LB Altimeters free?

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

### Which has better reviews, Groundspeed or LB Altimeters?

LB Altimeters is rated higher. Groundspeed averages 1.0 out of 5 from 2 ratings, while LB Altimeters averages 3.7 from 3 ratings.

### Do Groundspeed or LB Altimeters have ads?

Neither Groundspeed nor LB Altimeters shows ads.

### Which is updated more often, Groundspeed or LB Altimeters?

Groundspeed ships an update every 57 months, and LB Altimeters every 9 months. Most recently, Groundspeed was updated on October 26, 2026 and LB Altimeters 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.*