VIAVILab vs QL Local
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VIAVILab
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The VIAVILab app instantly identifies substances on the field with their near infrared spectra. The application is part of a complete data management ecosystem covering from data acquisition to quality monitoring. A MircoNIR infrared spectrometer is required to acquire new spectra.
QL Local
This app provides field technicians with precise control over HFC network devices. It enables on-site diagnostics, firmware management, and troubleshooting without disrupting network operations. Technicians can securely access device data, push updates, and monitor network performance through a user-friendly mobile interface.
- Localized device access
- Real-time diagnostics
- Firmware updates
- Configuration management
- Ingress and power monitoring
- Asset validation
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QuantumLink™ Local Mobile Application empowers field technicians with precision control over HFC network devices. Built on AOI’s industry-leading LoRaWAN architecture, QuantumLink Local allows on-site diagnostics, firmware management, and troubleshooting without disrupting network operations. Field engineers can securely access amplifier and node data, push configuration updates, monitor ingress levels, and perform asset validation — all through a rugged, technician-friendly mobile interface. Key Features: • Localized device access via secure wireless interface • Real-time diagnostics and telemetry monitoring • Firmware updates and configuration management • Ingress, ALSC, and power monitoring • Historical change tracking and geo-tagging • Standards-compliant with DOCSIS® 4.0 and SCTE specifications QuantumLink Local integrates seamlessly with QuantumLink Node and QuantumLink Central, delivering unmatched operational efficiency across the HFC plant. AOI’s solution reduces truck rolls, minimizes network downtime, and puts powerful tools in the hands of technicians where they work best — in the field.
Screenshots
Verdict
The clearest difference is update cadence: VIAVILab at every 2 weeks against QL Local's every 7 months. 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.
VIAVILab ships an update every 2 weeks, QL Local every 7 months. The most recent releases landed on October 16, 2026 and October 12, 2026 respectively.
| Parameter | VIAVILab | QL Local |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (3 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 112 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | NIRLAB Forensics Sarl | APPLIED OPTOELECTRONICS, INC. |
In-app purchases
VIAVILab
No in-app purchases
QL Local
No in-app purchases








