# OONI Probe vs OpenManual

The clearest difference is rating: OpenManual at 5.0 against OONI Probe's 4.5. OpenManual also leads on update cadence (every 2 days vs every 2 months). OONI Probe's advantage is in-app purchases (none vs 1) and ratings volume (88 vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. OpenManual sells 1 one-off in-app purchase. OONI Probe asks for nothing beyond the download.

OpenManual 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 1, so its average is the more settled of the two.

OONI Probe ships an update every 2 months, OpenManual every 2 days. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OONI Probe | OpenManual |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (88 ratings)](https://appshunter.io/ios/app/ooni-probe/id1199566366/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/openmanual/id6804523993/reviews)** |
| Number of ratings | **88** | 1 |
| Positive reviews | 58.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | Free |
| Size | 139 MB | 8 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [The Tor Project](https://appshunter.io/developer/1199566365) | [Gunnar Hostetler](https://appshunter.io/developer/1768599987) |

## 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


### OpenManual

[App page](https://appshunter.io/ios/app/openmanual/id6804523993)

Locate lost or inaccessible product manuals by scanning device labels or barcodes. It searches manufacturer sites, archives, and the open web to find documentation, even for discontinued items. Saved manuals are available offline and can be queried for specific answers.

**Highlights:** Scan labels and barcodes to identify products, Search manufacturer sites and archives, Offline access to saved manuals, Query saved manuals for specific answers, Handles discontinued products, Supports various household and professional equipment

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Unlock | $4.99 | one-time |


## Frequently asked questions

### Is OONI Probe free?

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

### Is OpenManual free?

OpenManual is free to download, with in-app purchases available.

### Which has better reviews, OONI Probe or OpenManual?

OpenManual is rated higher. OONI Probe averages 4.5 out of 5 from 88 ratings, while OpenManual averages 5.0 from 1 ratings.

### Do OONI Probe or OpenManual have ads?

Neither OONI Probe nor OpenManual shows ads.

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

OONI Probe ships an update every 2 months, and OpenManual every 2 days. Most recently, OONI Probe was updated on October 11, 2026 and OpenManual on October 14, 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.*