# WifiRtt vs PDR測位

The clearest difference is ads: PDR測位 at none against WifiRtt's shown. WifiRtt's advantage is device support (4 vs 2) and iOS requirement (9.0 vs 16.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

WifiRtt ships an update every 9 months, PDR測位 every 12 months. The most recent releases landed on October 12, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | WifiRtt | PDR測位 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/wifirtt/id1183789225/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 9 months** | Every 12 months |
| Monetization | Ad-supported | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [uto toshiki](https://appshunter.io/developer/876927513) | [Musen Connect, Inc.](https://appshunter.io/developer/1570398182) |

## What reviewers say

### WifiRtt

[App page](https://appshunter.io/ios/app/wifirtt/id1183789225)

This utility measures the bandwidth performance between two Apple devices on the same network. It helps analyze Wi-Fi performance and reliability by setting one device as a measurement terminal and the other as a partner response terminal. Useful for diagnosing network issues.

**Highlights:** Measures bandwidth between two devices, Analyzes Wi-Fi performance and reliability, Uses one device as measurement terminal, Uses another device as partner response terminal, QR code for easy connection setup, Supports continuous and single measurement modes

**In-app purchases:** none


### PDR測位

[App page](https://appshunter.io/ios/app/pdr/id6448334677)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WifiRtt free?

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

### Is PDR測位 free?

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

### Do WifiRtt or PDR測位 have ads?

WifiRtt shows ads; PDR測位 does not.

### Which is updated more often, WifiRtt or PDR測位?

WifiRtt ships an update every 9 months, and PDR測位 every 12 months. Most recently, WifiRtt was updated on October 12, 2026 and PDR測位 on October 19, 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.*