# OTDR Data Transporter vs OZsurvey

The clearest difference is ads: OTDR Data Transporter at none against OZsurvey's shown. OZsurvey's advantage is update cadence (every 5 months vs every 15 months) and iOS requirement (13.0 vs 15.5). On price, in-app purchases and device support there is nothing between them.

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, OZsurvey every 5 months. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OTDR Data Transporter | OZsurvey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 5 months** |
| Size | 20 MB | 51 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yokogawa Test & Measurement Corporation](https://appshunter.io/developer/997661022) | [DEVELOPMENT ONE ZERO LTDA](https://appshunter.io/developer/1079919113) |

## What reviewers say

### OTDR Data Transporter

[App page](https://appshunter.io/ios/app/otdr-data-transporter/id997661023)

**In-app purchases:** none


### OZsurvey

[App page](https://appshunter.io/ios/app/ozsurvey/id6446942161)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTDR Data Transporter free?

OTDR Data Transporter is free to download, with no in-app purchases.

### Is OZsurvey free?

OZsurvey is free to download, with no in-app purchases.

### Do OTDR Data Transporter or OZsurvey have ads?

OZsurvey shows ads; OTDR Data Transporter does not.

### Which is updated more often, OTDR Data Transporter or OZsurvey?

OTDR Data Transporter ships an update every 15 months, and OZsurvey every 5 months. Most recently, OTDR Data Transporter was updated on September 7, 2026 and OZsurvey on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*