# NAUI vs PADI Training

The clearest difference is rating: PADI Training at 3.6 against NAUI's 3.0. On price, review sentiment, ratings volume and update cadence there is nothing between them.

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

PADI Training holds the better App Store score, 3.6 against 3.0. Both are backed by a comparable volume of ratings — 47 and 18 respectively. Written reviews point the same way: 17% of NAUI's written reviews are positive against 21% of PADI Training's.

NAUI ships an update every 4 months, PADI Training every 3 months. The most recent releases landed on July 3, 2026 and August 15, 2026 respectively.

## The numbers

| Metric | NAUI | PADI Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (47 ratings)](https://appshunter.io/ios/app/naui/id1441033077/reviews) | **[3.6 (18 ratings)](https://appshunter.io/ios/app/padi-training/id1471474067/reviews)** |
| Number of ratings | **47** | 18 |
| Positive reviews | 17.4% of reviews | **21.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 119 MB | 35 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [National Association of Underwater Instructors](https://appshunter.io/developer/1441033076) | [PADI Americas, Inc.](https://appshunter.io/developer/416901045) |

## What reviewers say

### NAUI

[App page](https://appshunter.io/ios/app/naui/id1441033077)

Access your NAUI certifications, training materials, and dive logs on your mobile device. Find local dive stores, manage students, and utilize dive planning tools. Stay updated with the latest news and events from NAUI Worldwide.

**Highlights:** Access CORE profile and certifications, Digital C-Cards and achievements, Locate NAUI dive stores and professionals, Access eLearning courses, Manage and certify students, Digital dive logs, Dive planning tools

**Features:** macOS Compatibility

**In-app purchases:** none


### PADI Training

[App page](https://appshunter.io/ios/app/padi-training/id1471474067)

Access and study your PADI training materials offline. Prepare for your underwater adventures and explore the marine world anytime, anywhere.

**Highlights:** Download PADI training materials, Offline access to study guides, Learn on the go, Prepare for diving adventures

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is NAUI free?

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

### Is PADI Training free?

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

### Which has better reviews, NAUI or PADI Training?

PADI Training is rated higher. NAUI averages 3.0 out of 5 from 47 ratings, while PADI Training averages 3.6 from 18 ratings.

### Do NAUI or PADI Training have ads?

Neither NAUI nor PADI Training shows ads.

### Which is updated more often, NAUI or PADI Training?

NAUI ships an update every 4 months, and PADI Training every 3 months. Most recently, NAUI was updated on July 3, 2026 and PADI Training on August 15, 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.*