# WhoFi Diagnostic Tool vs Subfier

The clearest difference is update cadence: Subfier at daily against WhoFi Diagnostic Tool's weekly. WhoFi Diagnostic Tool's advantage is iOS requirement (10.0 vs 15.1). On price, ads, 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.

WhoFi Diagnostic Tool ships an update weekly, Subfier daily. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | WhoFi Diagnostic Tool | Subfier |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/whofi-diagnostic-tool/id1590555636/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free | — |
| Size | 16 MB | 35 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IO3O LLC](https://appshunter.io/developer/770969764) | [Barham Khalid](https://appshunter.io/developer/1849324498) |

## What reviewers say

### WhoFi Diagnostic Tool

[App page](https://appshunter.io/ios/app/whofi-diagnostic-tool/id1590555636)

This utility app analyzes your network to determine compatibility with a WiFi analytics service. It helps businesses understand visitor behavior in public spaces like libraries and museums by providing previously unseen insights.

**Highlights:** Network analysis, Visitor behavior insights, Compatibility check, Online analytics framework

**Features:** macOS Compatibility

**In-app purchases:** none


### Subfier

[App page](https://appshunter.io/ios/app/subfier/id6761431705)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is WhoFi Diagnostic Tool free?

WhoFi Diagnostic Tool is free to download, with no in-app purchases.

### Is Subfier free?

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

### Do WhoFi Diagnostic Tool or Subfier have ads?

Neither WhoFi Diagnostic Tool nor Subfier shows ads.

### Which is updated more often, WhoFi Diagnostic Tool or Subfier?

WhoFi Diagnostic Tool ships an update weekly, and Subfier daily. Most recently, WhoFi Diagnostic Tool was updated on October 15, 2026 and Subfier on October 12, 2026.

---

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