# Quality Valve vs mai™ Non Conformance

The clearest difference is iOS requirement: mai™ Non Conformance at 13.0 against Quality Valve's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Quality Valve ships an update every 8 months, mai™ Non Conformance every 4 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Quality Valve | mai™ Non Conformance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/quality-valve/id635286009/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 21 MB | 33 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Quality Valve, Inc](https://appshunter.io/developer/635286012) | [SHEQ](https://appshunter.io/developer/1509700509) |

## What reviewers say

### Quality Valve

[App page](https://appshunter.io/ios/app/quality-valve/id635286009)

This app facilitates quote requests for OEM relief valve replacement parts, catering exclusively to valve repair companies and factory service centers. It streamlines the process of obtaining necessary components for the valve repair industry.

**Highlights:** OEM relief valve replacement parts, Quote request functionality, Direct sales to repair companies, Industry-specific focus, Streamlined parts procurement

**Features:** macOS Compatibility

**In-app purchases:** none


### mai™ Non Conformance

[App page](https://appshunter.io/ios/app/mai-non-conformance/id6503905477)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quality Valve free?

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

### Is mai™ Non Conformance free?

mai™ Non Conformance is free to download, with no in-app purchases.

### Do Quality Valve or mai™ Non Conformance have ads?

Neither Quality Valve nor mai™ Non Conformance shows ads.

### Which is updated more often, Quality Valve or mai™ Non Conformance?

Quality Valve ships an update every 8 months, and mai™ Non Conformance every 4 months. Most recently, Quality Valve was updated on October 29, 2026 and mai™ Non Conformance on October 27, 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.*