# boot Düsseldorf App vs PADI

The clearest difference is ratings volume: PADI at 46K against boot Düsseldorf App's 6. On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for boot Düsseldorf App against 4.9 for PADI. That said, the two scores are not equally well evidenced: PADI has 46K ratings behind it against 6, so its average is the more settled of the two.

boot Düsseldorf App ships an update every 4 weeks, PADI fortnightly. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | boot Düsseldorf App | PADI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/boot-dusseldorf-app/id490072967/reviews)** | [4.9 (46K ratings)](https://appshunter.io/ios/app/padi/id1490797188/reviews) |
| Number of ratings | 6 | **46K** |
| Positive reviews | — | 54.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 66 MB | 200 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Messe Düsseldorf GmbH](https://appshunter.io/developer/396662243) | [PADI Americas, Inc.](https://appshunter.io/developer/416901045) |

## What reviewers say

### boot Düsseldorf App

[App page](https://appshunter.io/ios/app/boot-dusseldorf-app/id490072967)

Navigate the world's largest yacht and watersports show with this official event app. Discover exhibitors, plan your route with an interactive hall map, and stay updated with live event information.

**Highlights:** Interactive hall plan, Exhibitor and product directory, Save favorite exhibitors, Live updates and news, Event preparation tools

**Features:** macOS Compatibility

**In-app purchases:** none


### PADI

[App page](https://appshunter.io/ios/app/padi/id1490797188)

This app provides comprehensive scuba diving resources, allowing users to learn, log dives offline, verify certifications, and discover new adventures. Stay connected with the diving community and book your next underwater experience.

**Highlights:** Online and offline learning, Offline dive logging, Certification verification, Inspiration from divers and pros, Book diving adventures

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

**In-app purchases:** none

**What reviewers like**

- 👍 Convenient to have all dive info in one spot
- 🚀 Great for learning and revisiting hand signals
- 👍 Helpful for organizing PADI certifications
- 👍 Fantastic time for Discover Scuba Diving
- 👍 User friendly app for eStudy course

**What reviewers complain about**

- 🐛 Buttons don't work, inconsistent functionality
- 🐛 Logbook doesn't work, can't log dives
- 🐛 eCards get deleted, can't access offline
- 💰 Expensive eCards, should be included
- 🐛 Dive log data gets lost or doesn't sync

**Reported bugs**

- Account setup failed
- eCards don't download or display properly
- Dive log data disappears or doesn't save
- Inconsistent display of certifications
- Dive site search doesn't work

**Requested features**

- Allow mixing of metric and imperial units
- Customize order of certifications on home page
- Integrate with dive computers and upload profiles
- Add custom checklists, equipment tracking
- Integrate with Apple Wallet for eCards


## Frequently asked questions

### Is boot Düsseldorf App free?

boot Düsseldorf App is free to download, with no in-app purchases.

### Is PADI free?

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

### Which has better reviews, boot Düsseldorf App or PADI?

boot Düsseldorf App is rated higher. boot Düsseldorf App averages 5.0 out of 5 from 6 ratings, while PADI averages 4.9 from 46K ratings.

### Do boot Düsseldorf App or PADI have ads?

Neither boot Düsseldorf App nor PADI shows ads.

### Which is updated more often, boot Düsseldorf App or PADI?

boot Düsseldorf App ships an update every 4 weeks, and PADI fortnightly. Most recently, boot Düsseldorf App was updated on October 6, 2026 and PADI on October 19, 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.*