# Faraday Test vs OONI Probe

The clearest difference is rating: OONI Probe at 4.5 against Faraday Test's 2.3. OONI Probe also leads on review sentiment (58% vs 29%) and update cadence (every 2 months vs every 10 months). Faraday Test's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: OONI Probe has 88 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 29% of Faraday Test's written reviews are positive against 58% of OONI Probe's.

Faraday Test ships an update every 10 months, OONI Probe every 2 months. Both last shipped on September 29, 2026.

## The numbers

| Metric | Faraday Test | OONI Probe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (11 ratings)](https://appshunter.io/ios/app/faraday-test/id1185188891/reviews) | **[4.5 (88 ratings)](https://appshunter.io/ios/app/ooni-probe/id1199566366/reviews)** |
| Number of ratings | 11 | **88** |
| Positive reviews | 28.9% of reviews | **58.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 9 MB | 139 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Merakai, LLC](https://appshunter.io/developer/1136297273) | [The Tor Project](https://appshunter.io/developer/1199566365) |

## What reviewers say

### Faraday Test

[App page](https://appshunter.io/ios/app/faraday-test/id1185188891)

Test the signal blocking capabilities of Faraday bags and enclosures. This utility app verifies complete signal transmission blockage for Wi-Fi and cellular signals, generating a detailed report of the results.

**Highlights:** Test Wi-Fi signal blocking, Test cellular signal blocking, Verify complete signal blockage, Generate test reports, Assess Faraday bag effectiveness

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Faraday Test free?

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

### Is OONI Probe free?

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

### Which has better reviews, Faraday Test or OONI Probe?

OONI Probe is rated higher. Faraday Test averages 2.3 out of 5 from 11 ratings, while OONI Probe averages 4.5 from 88 ratings.

### Do Faraday Test or OONI Probe have ads?

Neither Faraday Test nor OONI Probe shows ads.

### Which is updated more often, Faraday Test or OONI Probe?

Faraday Test ships an update every 10 months, and OONI Probe every 2 months. Most recently, Faraday Test was updated on September 29, 2026 and OONI Probe on September 29, 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.*