NahlLens: Varroa Scanner
Hive checks and field records
About
This app assists beekeepers in documenting hive inspections using on-device computer vision for Varroa mite detection. It allows for offline recording of hive data, including mite counts and infestation percentages, with automatic syncing when connectivity is restored.
What's New in NahlLens
1.1.0
June 30, 2026
Adds update-required checks for unsupported builds and improves the App Store review link fallback.
Developer apps
FAQ
What is NahlLens used for?
NahlLens is a field record and decision-support tool for beekeepers. It helps record hive-frame inspections, detect Varroa mites using computer vision, and log infestation data.
Does NahlLens work offline?
Yes, NahlLens is designed with an offline-first approach. You can continue to record hive data and scans even without an internet connection; pending scans will sync automatically when connectivity returns.
What information is recorded with each scan in NahlLens?
Each saved scan in NahlLens records frame count, mite count, infestation percentage, confidence level, time, and optionally location (geohash) if permission is granted. Sync status is also tracked.
What devices does NahlLens support?
NahlLens is available for iPhone, iPad, and iPod devices. It was released on June 25, 2026, with the latest version being 1.1.0 as of June 30, 2026.
Is NahlLens suitable for all beekeepers?
NahlLens is a field record and decision-support tool. It does not replace professional agricultural inspection, treatment advice, or guidance from local authorities.
What languages does NahlLens support?
NahlLens features a bilingual interface, supporting both English and Arabic languages for user convenience.
How accurate is the Varroa detection in NahlLens?
The app provides Varroa detection boxes and a confidence score for each scan. Users can also adjust the confidence threshold and use torch controls in the field to improve scan quality.
Does NahlLens have ads?
NahlLens does not contain advertisements. It is a free application that focuses on providing utility to beekeepers without interruptions.