# LB Altimeters vs JumpBook Tracker

The clearest difference is update cadence: JumpBook Tracker at every 10 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, JumpBook Tracker every 10 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | LB Altimeters | JumpBook Tracker |
| --- | --- | --- |
| 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 10 days** |
| Monetization | Free | — |
| Size | 83 MB | 127 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Larsen and Brusgaard](https://appshunter.io/developer/935595070) | [Pablo Lara](https://appshunter.io/developer/1871384257) |

## 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


### JumpBook Tracker

[App page](https://appshunter.io/ios/app/jumpbook-tracker/id6758196984)

**In-app purchases:** none


## Frequently asked questions

### Is LB Altimeters free?

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

### Is JumpBook Tracker free?

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

### Do LB Altimeters or JumpBook Tracker have ads?

Neither LB Altimeters nor JumpBook Tracker shows ads.

### Which is updated more often, LB Altimeters or JumpBook Tracker?

LB Altimeters ships an update every 9 months, and JumpBook Tracker every 10 days. Most recently, LB Altimeters was updated on October 24, 2026 and JumpBook Tracker on October 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.*