NAO Logger vs Ethr Preview
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
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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
Ethr Preview
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Ethr Preview App helps developers, designers, and product teams explore the Ethr Design System in action. With 77+ modular React Native components, 5600+ customizable variants, and ready-made templates, Ethr empowers you to build accessible, brand-consistent apps faster than ever. Whether you’re a designer prototyping in Figma or a developer shipping in React Native, Ethr bridges the gap between design and code. Key Features: Interactive Playground – Try out 75+ components with 3000+ variants. Figma Library Integration – Sync your designs with developer-ready code. Dark & Light Modes – Instant theme switching with RTL support. Starter Templates – Kickstart flows like signup, cart, chat, and more. Community vs Pro – Explore free components or upgrade to unlock advanced kits. Who It’s For: Developers who want faster, cleaner app UI building. Designers who need a live preview of Figma components. Product teams aiming for consistency, accessibility, and speed. Start exploring Ethr today and experience how modern design systems streamline app creation.
Screenshots
Verdict
The clearest difference is iOS requirement: NAO Logger at 12.0 against Ethr Preview's 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.
| Parameter | NAO Logger | Ethr Preview |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 4 months | — |
| 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 | 63 MB |
| Age rating | 12+ | 17+ |
| Developer | Pole Star SA | VentureDive |
In-app purchases
NAO Logger
No in-app purchases
Ethr Preview
No in-app purchases
