# OONI Probe vs IoT Stadium Mobile

The clearest difference is update cadence: IoT Stadium Mobile at every 3 weeks against OONI Probe's every 2 months. 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.

OONI Probe ships an update every 2 months, IoT Stadium Mobile every 3 weeks. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OONI Probe | IoT Stadium Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (91 ratings)](https://appshunter.io/ios/app/ooni-probe/id1199566366/reviews)** | — |
| Number of ratings | **91** | — |
| Positive reviews | 59.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 139 MB | 37 MB |
| Requires iOS | **15.0** | 16.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Tor Project](https://appshunter.io/developer/1199566365) | [Wowrack Cloud](https://appshunter.io/developer/614265251) |

## 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


### IoT Stadium Mobile

[App page](https://appshunter.io/ios/app/iot-stadium-mobile/id6450654026)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OONI Probe free?

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

### Is IoT Stadium Mobile free?

IoT Stadium Mobile is free to download, with no in-app purchases.

### Do OONI Probe or IoT Stadium Mobile have ads?

Neither OONI Probe nor IoT Stadium Mobile shows ads.

### Which is updated more often, OONI Probe or IoT Stadium Mobile?

OONI Probe ships an update every 2 months, and IoT Stadium Mobile every 3 weeks. Most recently, OONI Probe was updated on November 2, 2026 and IoT Stadium Mobile on October 27, 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.*