# OONI Probe vs TPOOL

The clearest difference is update cadence: OONI Probe at every 2 months against TPOOL's every 8 months. TPOOL's advantage is iOS requirement (12.0 vs 15.0). 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, TPOOL every 8 months. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | OONI Probe | TPOOL |
| --- | --- | --- |
| 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 8 months |
| Monetization | Free | — |
| Size | 139 MB | 27 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Tor Project](https://appshunter.io/developer/1199566365) | [MAINDOLAB SRL](https://appshunter.io/developer/1562652013) |

## 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


### TPOOL

[App page](https://appshunter.io/ios/app/tpool/id1500582655)

**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 TPOOL free?

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

### Do OONI Probe or TPOOL have ads?

Neither OONI Probe nor TPOOL shows ads.

### Which is updated more often, OONI Probe or TPOOL?

OONI Probe ships an update every 2 months, and TPOOL every 8 months. Most recently, OONI Probe was updated on October 20, 2026 and TPOOL on October 4, 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.*