Comparison

NAO Logger vs HAMmade GRID

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

HAMmade GRID

Features
Read full description

Designed specifically for Amateur Radio Operators (Hams), HAMmade Grid is your ultimate companion for DXing, contesting, and field operations. The app now supports 6, 8, and 10 character Maidenhead Grid Locators, allowing more precise location information for advanced radio operations. Whether you are operating from your home QTH or working portable/rover; instantly find your Maidenhead Grid Locator, visualize the target station on the map, and point your antenna with precision. Key Features: -Precise Location & Grid: Instantly calculates your 6-character Maidenhead Grid Locator using real-time GPS data.  -Callsign Lookup: Enter any callsign to automatically fetch location, name, and station details. (requires paid QRZ.com membership) -QRZ.com & HamDB Integration: Log in with your QRZ.com account to access detailed profiles and station photos. No account? No problem. The app automatically falls back to HamDB public data for seamless lookups.  Band Availability Insight The app can now display the radio bands that are usable between two selected Maidenhead grid locators. This helps operators quickly evaluate which bands are likely to work at a given moment, making it easier to plan contacts, portable operations, and DX activities. -Smart Compass & Bearing: Calculates the exact Heading and Distance to the target station. The integrated live compass overlay helps you align your antenna directly to the signal source.  -Advanced Mapping: Visualize the target Grid square with Standard, Satellite, and Hybrid map modes.  -Unit Support: Switch between Kilometers (km) and Miles (mi) effortlessly.  -Dark Mode: Eye-friendly interface optimized for night operations.  -Multi-Language: Supports English, Turkish, Spanish, German, French, and more.

Screenshots

NAO Logger4 screens
HAMmade GRID4 screens

Verdict

The call

The clearest difference is update cadence: HAMmade GRID at every 4 days against NAO Logger's every 4 months. NAO Logger's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

NAO Logger ships an update every 4 months, HAMmade GRID every 4 days. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 7 level
NAO Logger versus HAMmade GRID: the parameters behind the verdict, then further details
ParameterNAO LoggerHAMmade GRID
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.1
Further details — not scored
Size26 MB18 MB
Age rating12+4+
DeveloperPole Star SAOguz Agceli

In-app purchases

None

NAO Logger

No in-app purchases

None

HAMmade GRID

No in-app purchases

Questions

Is NAO Logger free?
NAO Logger is free to download, with no in-app purchases.
Is HAMmade GRID free?
HAMmade GRID is free to download, with no in-app purchases.
Do NAO Logger or HAMmade GRID have ads?
Neither NAO Logger nor HAMmade GRID shows ads.
Which is updated more often, NAO Logger or HAMmade GRID?
NAO Logger ships an update every 4 months, and HAMmade GRID every 4 days. Most recently, NAO Logger was updated on October 1, 2026 and HAMmade GRID on October 5, 2026.

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