# NAUI vs Rocket Watch

The clearest difference is rating: Rocket Watch at 5.0 against NAUI's 3.0. Rocket Watch also leads on update cadence (every 3 days vs every 4 months). NAUI's advantage is in-app purchases (none vs 2) and ratings volume (48 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Rocket Watch sells 2 one-off in-app purchases. NAUI asks for nothing beyond the download.

Rocket Watch holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: NAUI has 48 ratings behind it against 3, so its average is the more settled of the two.

NAUI ships an update every 4 months, Rocket Watch every 3 days. The most recent releases landed on October 20, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | NAUI | Rocket Watch |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (48 ratings)](https://appshunter.io/ios/app/naui/id1441033077/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rocket-watch/id6794750968/reviews)** |
| Number of ratings | **48** | 3 |
| Positive reviews | 17.4% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 120 MB | 8 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [NAUI Worldwide](https://appshunter.io/developer/1441033076) | [Joshua Justice](https://appshunter.io/developer/6793700583) |

## 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, Vision Pro support

**In-app purchases:** none


### Rocket Watch

[App page](https://appshunter.io/ios/app/rocket-watch/id6794750968)

This app tracks upcoming rocket launches with live countdowns and current weather. It uniquely predicts the chance of seeing a 'jellyfish plume' effect, a luminous glow caused by rocket exhaust catching sunlight at dawn or dusk.

**Highlights:** Live rocket launch countdowns, Jellyfish plume potential prediction, Real-time weather conditions, Home screen widget, Local launch notifications, Rocket photos and broadcast links

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rocket Watch Crew (Individual) | $49.99 | one-time |
| Rocket Watch Crew (Family) | $99.99 | one-time |


## Frequently asked questions

### Is NAUI free?

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

### Is Rocket Watch free?

Rocket Watch is free to download, with in-app purchases available.

### Which has better reviews, NAUI or Rocket Watch?

Rocket Watch is rated higher. NAUI averages 3.0 out of 5 from 48 ratings, while Rocket Watch averages 5.0 from 3 ratings.

### Do NAUI or Rocket Watch have ads?

Neither NAUI nor Rocket Watch shows ads.

### Which is updated more often, NAUI or Rocket Watch?

NAUI ships an update every 4 months, and Rocket Watch every 3 days. Most recently, NAUI was updated on October 20, 2026 and Rocket Watch on October 13, 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.*