# Linpack vs OONI Probe

The clearest difference is rating: Linpack at 5.0 against OONI Probe's 4.5. Linpack also leads on review sentiment (78% vs 58%) and iOS requirement (8.0 vs 15.0). OONI Probe's advantage is update cadence (every 2 months vs every 8 months) and ratings volume (88 vs 5). 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.

Linpack holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: OONI Probe has 88 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 78% of Linpack's written reviews are positive against 58% of OONI Probe's.

Linpack ships an update every 8 months, OONI Probe every 2 months. The most recent releases landed on August 28, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Linpack | OONI Probe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/linpack/id380883195/reviews)** | [4.5 (88 ratings)](https://appshunter.io/ios/app/ooni-probe/id1199566366/reviews) |
| Number of ratings | 5 | **88** |
| Positive reviews | **78.0% of reviews** | 58.1% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 6 MB | 139 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexey Solovyov](https://appshunter.io/developer/380883198) | [The Tor Project](https://appshunter.io/developer/1199566365) |

## What reviewers say

### Linpack

[App page](https://appshunter.io/ios/app/linpack/id380883195)

This utility measures a system's floating-point computing power by solving dense linear equations. It reports results in millions of floating-point operations per second (MFLOP/s) and includes checks for solution accuracy and machine precision.

**Highlights:** Measures floating-point computing power, Solves dense linear equations, Reports MFLOP/s, Checks solution accuracy, Determines relative machine precision

**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 Linpack free?

Linpack 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, Linpack or OONI Probe?

Linpack is rated higher. Linpack averages 5.0 out of 5 from 5 ratings, while OONI Probe averages 4.5 from 88 ratings.

### Do Linpack or OONI Probe have ads?

Neither Linpack nor OONI Probe shows ads.

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

Linpack ships an update every 8 months, and OONI Probe every 2 months. Most recently, Linpack was updated on August 28, 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.*