# Pingman vs NOX TESTER

The clearest difference is in-app purchases: NOX TESTER at none against Pingman's 3. NOX TESTER also leads on update cadence (every 3 weeks vs every 5 months). Pingman's advantage is device support (4 vs 2). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Pingman sells 3 in-app purchases, starting at $0.29 per month. NOX TESTER asks for nothing beyond the download.

Pingman ships an update every 5 months, NOX TESTER every 3 weeks. The most recent releases landed on September 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Pingman | NOX TESTER |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nox-tester/id6758373750/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 26 MB | 5 MB |
| Requires iOS | 16 | **15.6** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [伟 葛](https://appshunter.io/developer/1028908732) | [Proformance Diagnostics LLC](https://appshunter.io/developer/1852904316) |

## What reviewers say

### Pingman

[App page](https://appshunter.io/ios/app/pingman-a-ping-tool/id6746965846)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pingman Pro | $0.29 | per month |
| Pingman Pro | $0.99 | per year |
| Pingman Pro | $2.99 | one-time |


### NOX TESTER

[App page](https://appshunter.io/ios/app/nox-tester/id6758373750)

This diagnostic tool tests NOx sensors by connecting to the sensor's circuit board and probe. It activates the sensor, collects data on NOx and oxygen levels for three minutes, and analyzes the results to identify faults and generate a report.

**Highlights:** Connects to NOx sensor via diagnostic harness, Communicates via CAN signals, Tests sensor circuit board and detection probe, Activates NOx sensor, Collects NOx and oxygen concentration data, Analyzes data and generates test reports

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

**In-app purchases:** none


## Frequently asked questions

### Is Pingman free?

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

### Is NOX TESTER free?

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

### Do Pingman or NOX TESTER have ads?

Neither Pingman nor NOX TESTER shows ads.

### Which is updated more often, Pingman or NOX TESTER?

Pingman ships an update every 5 months, and NOX TESTER every 3 weeks. Most recently, Pingman was updated on September 20, 2026 and NOX TESTER on October 19, 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.*