# Rhythm Skydiving 401 vs JumpBook Tracker

The clearest difference is in-app purchases: JumpBook Tracker at none against Rhythm Skydiving 401's 2. JumpBook Tracker also leads on update cadence (every 10 days vs every 2 months). Rhythm Skydiving 401's advantage is device support (4 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Rhythm Skydiving 401 sells 2 in-app purchases, starting at $49.99 per year. JumpBook Tracker asks for nothing beyond the download.

Rhythm Skydiving 401 ships an update every 2 months, JumpBook Tracker every 10 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Rhythm Skydiving 401 | JumpBook Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (150 ratings)](https://appshunter.io/ios/app/rhythm-skydiving-401/id1315422564/reviews)** | — |
| Number of ratings | **150** | — |
| Positive reviews | 89.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Subscription | — |
| Size | 99 MB | 127 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rhythm Skydiving](https://appshunter.io/developer/1185933960) | [Pablo Lara](https://appshunter.io/developer/1871384257) |

## What reviewers say

### Rhythm Skydiving 401

[App page](https://appshunter.io/ios/app/rhythm-skydiving-401/id1315422564)

This app serves as a comprehensive rhythm coach for skydiving enthusiasts. It offers a vast library of articles, videos, and interactive tools to learn and master 4-way and 8-way formations. Users can download content for offline review and utilize features like a dive timer and draw generator.

**Highlights:** Extensive video library with offline download, Interactive flashcards for formation learning, Color-coded continuity plans, Advanced video player with frame-by-frame control, Customizable random draw generator, In-app direct contact with instructors

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rhythm 8way Subscription | $49.99 | per year |
| Rhythm 4way Subscription | $99.99 | per year |


### JumpBook Tracker

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

**In-app purchases:** none


## Frequently asked questions

### Is Rhythm Skydiving 401 free?

Rhythm Skydiving 401 is free to download, with in-app purchases available.

### Is JumpBook Tracker free?

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

### Do Rhythm Skydiving 401 or JumpBook Tracker have ads?

Neither Rhythm Skydiving 401 nor JumpBook Tracker shows ads.

### Which is updated more often, Rhythm Skydiving 401 or JumpBook Tracker?

Rhythm Skydiving 401 ships an update every 2 months, and JumpBook Tracker every 10 days. Most recently, Rhythm Skydiving 401 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.*