# NASA Navtex Viewer vs AI Summary

The clearest difference is price: AI Summary at Free against NASA Navtex Viewer's $6.99. AI Summary also leads on review sentiment (38% vs 0%). NASA Navtex Viewer's advantage is ads (none vs shown) and iOS requirement (11.2 vs 15.0). On update cadence, in-app purchases and device support there is nothing between them.

AI Summary is free to download; NASA Navtex Viewer costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | NASA Navtex Viewer | AI Summary |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Positive reviews | 0.0% of reviews | **37.5% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Paid | **Ad-supported** |
| Size | 9 MB | 33 MB |
| Requires iOS | **11.2** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Neverest Limited](https://appshunter.io/developer/1360645388) | [ROBOTO SYSTEMS LTD](https://appshunter.io/developer/1458146261) |

## What reviewers say

### NASA Navtex Viewer

[App page](https://appshunter.io/ios/app/nasa-navtex-viewer/id1360645389)

This app connects to a specific marine receiver via Bluetooth to display Navtex messages. Users can select areas, stations, and message types, with options for fixed-font viewing of tabular data. It also allows for receiver configuration.

**Highlights:** Bluetooth receiver connection, Select Navtex areas, stations, and message types, Automatic message consumption and listing, Message preview and full content view, Fixed-font display for tabular data, Receiver configuration (auto switching, name, PIN)

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

**In-app purchases:** none


### AI Summary

[App page](https://appshunter.io/ios/app/ai-summary/id6581488973)

This AI-powered application provides concise summaries of YouTube videos and answers questions on any topic. It helps users save time and enhance their learning with instant, accurate information. All interactions are saved for easy future reference.

**Highlights:** YouTube video summarization, AI-powered chat for any query, Chat history for past interactions, Time-saving learning tool, Instant, accurate answers

**In-app purchases:** none


## Frequently asked questions

### Is NASA Navtex Viewer free?

NASA Navtex Viewer costs $6.99, with no in-app purchases.

### Is AI Summary free?

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

### Do NASA Navtex Viewer or AI Summary have ads?

AI Summary shows ads; NASA Navtex Viewer does not.

### Which is updated more often, NASA Navtex Viewer or AI Summary?

NASA Navtex Viewer ships an update every 3 months, and AI Summary every 3 months. Most recently, NASA Navtex Viewer was updated on October 8, 2026 and AI Summary on October 24, 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.*