Nautilus GPS vs UGREEN NAS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nautilus GPS
This utility app uses your iPhone's camera flash to program a unique MMSI number into a compatible marine rescue GPS device. This allows the device to send Man Overboard and emergency distress signals via AIS and DSC.
- Program MMSI numbers
- Utilizes iPhone camera flash
- Sends Man Overboard messages
- Sends emergency distress signals
- AIS and DSC signal transmission
- Selectable operating modes (AIS, DSC, both)
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The Nautilus GPS App uses your iPhones camera flash to set an MMSI number into your Nautilus Marine Rescue GPS. This enables your Nautilus GPS to send Man Overboard messages to your dive boat for up to 30 minutes in addition to sending an emergency distress signal on AIS. You can also choose the operating mode of the Marine Rescue GPS to use either AIS (Automatic Identification System), DSC (Digital Selective Calling), or both AIS and DSC. Note that no MMSI Number is required to operate the Marine Rescue GPS.
UGREEN NAS
Manage your personal data across devices with this application for a UGOS Pro system. It offers comprehensive control over user access, hardware, network, and file services. Organize and access your files, photos, and media libraries efficiently with advanced features and security.
- User and access permission management
- Hardware and network configuration
- Multiple storage modes (RAID, JBOD)
- Intelligent file filtering and sharing
- Photo and video album creation
- Automated media library poster walls
- Integrated virus scanning
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UGREEN NAS - an efficient application designed for UGOS Pro system management. It empowers you to manage your personal data seamlessly across all your devices and thus enjoy a smarter, more personalized experience. 【Control Panel】 • User Management: Assign access permissions flexibly. • Hardware & Power: Configure buzzer, fan, and hard drive sleep modes, etc. • Network: Set up internal/external network connections and web server configurations. • File Service: Configure file protocols, including SMB, FTP, NFS, etc. • Update & Restore: Online update system and restore configuration. 【Storage】 • Supports multiple storage modes: Basic, JBOD, and RAID modes. • Visual monitoring of hard drives, volumes, and SSD caches. • Online capacity expansion with Hot Spare support for enhanced security and speed. • Intelligent monitoring of hard drive status and storage capacity. 【App Center】 • Filter by usage scenarios and download desired applications. • Supports offline manual installation. 【Files】 • Intelligent filter, search, and file categorization features. • One-click file sharing. Supports accessing contents in sharing links without login. • Supports adjusting user access permissions for shared folders. • Supports accessing via multiple protocols (e.g.: SMB, FTP, and WebDAV). 【Photos】 • View your photos and videos in timeline view and custom your personal people album. • Custom conditions to create albums to manage cherished moments. • Display sources and detailed information of photos and videos. 【Theater】 • Automatically generate elaborate poster walls and build your personal library. • Supports filtering by film names, actors, etc. • Match film information accurately. • Automatically categorize series films for a seamless experience. 【Security】 • Integrated ClamAV engine for full virus scanning. • Supports scheduled scan and real-time protection for data security.
Screenshots
Verdict
The clearest difference is rating: UGREEN NAS at 4.1 against Nautilus GPS's 1.9. UGREEN NAS also leads on update cadence (monthly vs every 21 months) and review sentiment (53% vs 25%). On price, ads, in-app purchases and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
UGREEN NAS holds the better App Store score, 4.1 against 1.9. That said, the two scores are not equally well evidenced: UGREEN NAS has 316 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 25% of Nautilus GPS's written reviews are positive against 53% of UGREEN NAS's.
Nautilus GPS ships an update every 21 months, UGREEN NAS monthly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Nautilus GPS | UGREEN NAS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (12 ratings) | 4.1 (316 ratings) — better |
| Positive reviews | 25.0% of reviews | 53.2% of reviews — better |
| Number of ratings | 12 | 316 — better |
| Update frequency | Every 21 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple TV — better |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 725 MB |
| Age rating | 4+ | 4+ |
| Developer | Icarus Aviation Ltd | 深圳市绿联科技股份有限公司 |
Customer experience
Nautilus GPS
UGREEN NAS
Bugs and requests
Nautilus GPS
Not enough reviews yet to summarise bugs or requests.
UGREEN NAS
Reported bugs
5 issues- Crashes when uploading large files
- Sync issues causing data loss
- Remote access not working as expected
- Incompatibility with certain devices/OSes
- Media player bugs (audio/video desync, choppy playback)
Requested features
5 requests- Dedicated photo/video viewer app for Apple TV
- Ability to edit metadata for media files
- Integration with Files app for seamless storage
- Dark mode option
- Improved media playback performance
In-app purchases
Nautilus GPS
No in-app purchases
UGREEN NAS
No in-app purchases
Questions
Is Nautilus GPS free?
Is UGREEN NAS free?
Which has better reviews, Nautilus GPS or UGREEN NAS?
Do Nautilus GPS or UGREEN NAS have ads?
Which is updated more often, Nautilus GPS or UGREEN NAS?
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