Kor Mobile vs NEP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kor Mobile
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Kor offers a mobile interface for YSI’s industry-leading EXO Multiparameter Water Quality Sondes, providing powerful, real-time water quality monitoring capabilities in the palm of your hand. Connect to Kor Mobile on your iOS device using a KorLink Bluetooth adapter connected to an EXO sonde via a field cable to establish a Bluetooth connection to view and manage water quality data directly in the field. No internet connection required. Key Features: • Data Management – View recorded data and transfer or share data files in the field • Site Management – Organize and access data by location • Deployment Tools – Streamline setup and configuration in the field • Sensor Calibration – Perform calibrations directly from your phone • Instrument Settings – Adjust parameters and settings with ease • App Settings – Customize your experience
NEP
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* Capture Turbidity field measurements and simply log the data onto your iPhone or iPad * Transfer data from your device to anyone and anywhere in the world. * Innovative app to replace handheld display & logging of turbidity, temperature, time, date, location & comments directly on your device. * The freedom to port data directly to a phone, tablet, or laptop. * Ensure to the end user, field work efficiencies and efficient way to manage and track data. NEP-LINK BLE FEATURES: * Bluetooth LE connection (wireless interface) with the latest NEP-5000-LINK probe. * Automatic Turbidity and Temperature data logging. * Auto Ranging 40-400-5000 NTU. * Geo-location features. * Dynamic Graphic interface to access datasets & statistics. * Custom comment. * Pictures capability. * Easy export to your favorite application (Gmail, Email, Dropbox,…). * Log files with embedded location, time & date, comments & photos. * Log file record in Comma Delimited data Sentence. * Online support access. * Ergonomic user interface. MINIMAL REQUIREMENTS * To be used with Apple iOS 15.6 and above. * ANALITE Auto-Range Turbidity Sensor * NEP-5000-LINK Bluetooth LE module REVISION REQUIREMENTS: * Highly recommended to export your data records prior updating your application. NEP-5000-LINK SENSOR FEATURES: * Fast and easy to use, wireless logging application for the NEP-5000 family of ANALITE Turbidity sensors. * Easy field-deployment. * Wide range of accessories. * Monitor battery charge for rechargeable Lithium-Ion battery (up to 5-10 hours operation). * Ensure connectivity with Bluetooth Module. * Smart Flashing 3-color indicator on Bluetooth Module. * Smart long term storage.
Screenshots
Verdict
The clearest difference is iOS requirement: Kor Mobile at 14.5 against NEP's 16.6. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 5, 2026 and October 10, 2026 respectively.
| Parameter | Kor Mobile | NEP |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.5 — better | 16.6 |
| Further details — not scored | ||
| Size | 41 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Xylem Inc. | Observator Instruments Pty Ltd |
In-app purchases
Kor Mobile
No in-app purchases
NEP
No in-app purchases









