NAO Logger vs HAMmade GRID
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Indoor location setup
- Bluetooth Low Energy beacons
- Advanced sensors fusion
- Real-time location tracking
- Bearing and accuracy display
- Map visualization
Read full descriptionHide 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
HAMmade GRID
Read full descriptionHide 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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | NAO Logger | HAMmade GRID |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 26 MB | 18 MB |
| Age rating | 12+ | 4+ |
| Developer | Pole Star SA | Oguz Agceli |
In-app purchases
NAO Logger
No in-app purchases
HAMmade GRID
No in-app purchases









