# OONI Probe vs OnNet Security Pro

The clearest difference is update cadence: OnNet Security Pro at every 9 days 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, OnNet Security Pro every 9 days. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OONI Probe | OnNet Security Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (91 ratings)](https://appshunter.io/ios/app/ooni-probe/id1199566366/reviews)** | — |
| Number of ratings | **91** | — |
| Positive reviews | 58.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | — |
| Size | 139 MB | 46 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Tor Project](https://appshunter.io/developer/1199566365) | [Francisco Clemente](https://appshunter.io/developer/1438217746) |

## 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


### OnNet Security Pro

[App page](https://appshunter.io/ios/app/onnet-security-pro/id1622286733)

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

**In-app purchases:** none


## Frequently asked questions

### Is OONI Probe free?

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

### Is OnNet Security Pro free?

OnNet Security Pro is free to download, with no in-app purchases.

### Do OONI Probe or OnNet Security Pro have ads?

Neither OONI Probe nor OnNet Security Pro shows ads.

### Which is updated more often, OONI Probe or OnNet Security Pro?

OONI Probe ships an update every 2 months, and OnNet Security Pro every 9 days. Most recently, OONI Probe was updated on October 24, 2026 and OnNet Security Pro 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.*