OTDR Data Transporter vs VIAVILab
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTDR Data Transporter
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"OTDR Data Transporter" can transfer data files measured by the Yokogawa AQ7280 OTDR to a cloud storage service (such as Dropbox) using a wireless LAN SDHC memory Card. It will also enable the ability to easily mail the measurement trace, report, or image file (.SOR/.PDF/.BMP/.JPG) after the file is transferred to the iPad or iPhone. ○Notes This application is exclusively designed to work with the FlashAir™ LAN SDHC memory card sold by Toshiba Corporation and may not function properly if another type of LAN SDHC memory card is used. ○Main Function -FileViewer This application can display the OTDR files with the extension .SOR, .PDF, .BMP, .JPG After it is saved to applicable LAN SDHC Memory Card. -SendMail This feature allows selection of the file saved to the LAN SDHC Memory Card to be sent via email using a cellular service on the iPhone or iPad. This function is useful when you want to transfer the data and reports measured by the OTDR at remote locations in the field. -Upload to CloudStorage This feature authenticates the data within the application, and can upload files to the cloud via Dropbox.
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.
Screenshots
Verdict
The clearest difference is update cadence: VIAVILab at every 2 weeks against OTDR Data Transporter's every 15 months. VIAVILab also leads on iOS requirement (12.2 vs 15.5). 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.
OTDR Data Transporter ships an update every 15 months, VIAVILab every 2 weeks. The most recent releases landed on September 7, 2026 and September 12, 2026 respectively.
| Parameter | OTDR Data Transporter | VIAVILab |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 15 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.5 | 12.2 — better |
| Further details — not scored | ||
| Size | 20 MB | 112 MB |
| Age rating | 4+ | 4+ |
| Developer | Yokogawa Test & Measurement Corporation | NIRLAB Forensics Sarl |
In-app purchases
OTDR Data Transporter
No in-app purchases
VIAVILab
No in-app purchases
Questions
Is OTDR Data Transporter free?
Is VIAVILab free?
Do OTDR Data Transporter or VIAVILab have ads?
Which is updated more often, OTDR Data Transporter or VIAVILab?
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