# OONI Probe vs Ping Door

The clearest difference is update cadence: OONI Probe at every 2 months against Ping Door's every 5 months. OONI Probe also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

OONI Probe ships an update every 2 months, Ping Door every 5 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | OONI Probe | Ping Door |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (88 ratings)](https://appshunter.io/ios/app/ooni-probe/id1199566366/reviews)** | — |
| Number of ratings | **88** | — |
| Positive reviews | 58.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 139 MB | 97 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [The Tor Project](https://appshunter.io/developer/1199566365) | [GNC PROSES OTOMASYON ELEKTRIK ELEKTRONIK MUHENDISLIK SANAYI VE TICARET LIMITED SIRKETI](https://appshunter.io/developer/1446284203) |

## What reviewers say

### OONI Probe

[App page](https://appshunter.io/ios/app/ooni-probe/id1199566366)

This app helps you detect internet censorship and surveillance systems by examining website and app blocking. It also measures your network's speed and performance, providing data that can serve as evidence of interference. All collected data is published openly to promote transparency.

**Highlights:** Examine website and app blocking, Measure network speed and performance, Detect censorship and surveillance systems, Collect evidence of internet censorship, Publish open network measurement data, Free and open source software

**Features:** Vision Pro support

**In-app purchases:** none


### Ping Door

[App page](https://appshunter.io/ios/app/ping-door/id6755127832)

**In-app purchases:** none


## Frequently asked questions

### Is OONI Probe free?

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

### Is Ping Door free?

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

### Do OONI Probe or Ping Door have ads?

Neither OONI Probe nor Ping Door shows ads.

### Which is updated more often, OONI Probe or Ping Door?

OONI Probe ships an update every 2 months, and Ping Door every 5 months. Most recently, OONI Probe was updated on October 11, 2026 and Ping Door on October 2, 2026.

---

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