# LB Altimeters vs Airtime BT

The clearest difference is update cadence: Airtime BT at every 3 days against LB Altimeters's every 9 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.

LB Altimeters ships an update every 9 months, Airtime BT every 3 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LB Altimeters | Airtime BT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/lb-altimeters-jumptrack/id1562297391/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 83 MB | 3 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Larsen and Brusgaard](https://appshunter.io/developer/935595070) | [Guillaume Gerard Frantz Vigneron](https://appshunter.io/developer/1822391314) |

## What reviewers say

### 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


### Airtime BT

[App page](https://appshunter.io/ios/app/airtime-bt/id6747722869)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LB Altimeters free?

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

### Is Airtime BT free?

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

### Do LB Altimeters or Airtime BT have ads?

Neither LB Altimeters nor Airtime BT shows ads.

### Which is updated more often, LB Altimeters or Airtime BT?

LB Altimeters ships an update every 9 months, and Airtime BT every 3 days. Most recently, LB Altimeters was updated on October 24, 2026 and Airtime BT on October 25, 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.*