Comparison

NAO Logger vs Metal Logger

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

NAO Logger

This app enables indoor location setup using Bluetooth beacons and advanced sensors. It allows users to track their location with bearing and accuracy on a map. Requires a free Pole Star partner account to use.

Highlights
  • Indoor location setup
  • Bluetooth Low Energy beacons
  • Advanced sensors fusion
  • Real-time location tracking
  • Bearing and accuracy display
  • Map visualization
Features
Read full description

Set up Indoor Location at your place with NAO Logger within minutes! Make NAO learn, then enjoy your location, watching it move as you go, with bearing and accuracy halo on the map! Delivered by Pole Star, NAO Logger includes NAO SDK, the best-in-class indoor location solution. NAO Logger allows you to use the iOS flavor of NAO Campus, based on Bluetooth Low Energy beacons + advanced sensors fusion. This proven solution has been in use on actual sites since July 2012. To use NAO Logger, you need a (free) Pole Star partner account. Background Disclaimer: "Continued use of GPS running in the background can dramatically decrease battery life." Notes: - The NAO Logger terms of service (https://www.nao-cloud.com/TermsOfService.pdf) and privacy policy (https://www.nao-cloud.com/PrivacyPolicy.pdf) are available from our website. - For any technical question, comments, suggestions or bug reports, please contact our support team at support-naocloud@polestarusa.com - Compatible Bluetooth Low Energy beacons are sold by Pole Star separately. For more information, please contact us on sales@polestarusa.com

About

Metal Logger

This app enhances metal detecting by tracking sessions, logging finds with images, and providing offline maps. It offers statistics, an interactive map of finds, and equipment management. Users can customize settings and suggest new features.

Highlights
  • GPS session tracking
  • Log finds with images
  • Offline maps
  • Session statistics and charts
  • Interactive map of finds
  • Find database with filters
  • Equipment management
Read full description

Are you a passionate metal detectorist, always on the lookout for hidden treasures beneath the earth's surface? Look no further – Metal Logger is the ultimate tool to elevate your metal detecting experience to a whole new level! EXPLORE WITH CONFIDENCE The Metal Logger app is your trusty sidekick for every metal detecting adventure. Whether you're hunting for coins, relics, or hidden gems, this app is designed to help you make the most of every expedition. Key Features: GPS SESSION TRACKING: Start a new session and let Metal Logger track your journey with precision. Focus on your treasure hunt, and we'll take care of the rest. LOG YOUR FINDS: Capture the excitement of your discoveries by logging your finds with images. Never forget the thrill of uncovering something extraordinary. OFFLINE MAPS: Navigate anywhere, anytime! Even in remote areas without an internet connection, our app keeps you on the map. SESSION STATISTICS: Dive into your metal detecting history with insightful statistics. Metal Logger provides session summaries and visual charts to help you track your progress over time. INTERACTIVE MAP: Visualize your metal detecting sessions on a map. Easily spot your favorite hunting grounds and see where you've found your most precious treasures. FIND DATABASE: Keep a comprehensive record of all your finds, organized by period and filterable by category. Whether it's coins, jewelry, or historical artifacts, your collection is just a tap away. EQUIPMENT MANAGEMENT: Manage your metal detecting equipment, and add new tools to your arsenal. CUSTOMIZABLE SETTINGS: Tailor Metal Logger to your preferences with dark mode, biometrics, and notification settings. REQUEST FEATURES: We value your feedback! Use the app to suggest new features and enhancements. We're committed to making Metal Logger even better with your input. LEGAL INFORMATION: Access our terms and conditions and privacy policy to ensure a transparent and secure experience. Join the global community of metal detectorists and make every find count with Metal Logger. Start your journey today! Download Metal Logger now and embark on your next treasure-hunting adventure with confidence. Terms and Conditions: https://firebasestorage.googleapis.com/v0/b/metal-logger-7a3ba.appspot.com/o/docs%2Fterms-and-conditions%2Fen%2Fterms-and-conditions.pdf?alt=media Privacy Policy: https://firebasestorage.googleapis.com/v0/b/metal-logger-7a3ba.appspot.com/o/docs%2Fprivacy-policy%2Fen%2Fprivacy-policy.pdf?alt=media

Screenshots

NAO Logger4 screens
Metal Logger4 screens

Verdict

The call

The clearest difference is in-app purchases: NAO Logger at none against Metal Logger's 2. NAO Logger also leads on device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, rating, ratings volume and update cadence 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Metal Logger sells 2 in-app purchases, starting at $1.79 per month. NAO Logger asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for NAO Logger against 5.0 for Metal Logger. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

Scorecard4 real differences · 6 level
NAO Logger versus Metal Logger: the parameters behind the verdict, then further details
ParameterNAO LoggerMetal Logger
PriceFreeFree
Rating5.0 (1 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings11
Update frequencyEvery 4 monthsEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better16.0
Further details — not scored
Size26 MB34 MB
Age rating12+4+
DeveloperPole Star SAPaul Vladut Preda

Customer experience

NAO Logger

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Metal Logger

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

NAO Logger

No in-app purchases

2 purchases

Metal Logger

Subscriptions2
  • Monthly Subscription$1.791 Month
  • Annual Subscription$17.991 Year

Questions

Is NAO Logger free?
NAO Logger is free to download, with no in-app purchases.
Is Metal Logger free?
Metal Logger is free to download, with in-app purchases available.
Which has better reviews, NAO Logger or Metal Logger?
NAO Logger and Metal Logger are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.
Do NAO Logger or Metal Logger have ads?
Neither NAO Logger nor Metal Logger shows ads.
Which is updated more often, NAO Logger or Metal Logger?
NAO Logger ships an update every 4 months, and Metal Logger every 4 months. Most recently, NAO Logger was updated on November 1, 2026 and Metal Logger on November 3, 2026.

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