# QMS Audit Pro vs SIGMASMITH

The clearest difference is review sentiment: SIGMASMITH at 100% against QMS Audit Pro's 0%. SIGMASMITH also leads on rating (5.0 vs 3.5) and update cadence (every 3 weeks vs every 7 months). QMS Audit Pro's advantage is in-app purchases (none vs 3). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. SIGMASMITH sells 3 one-off in-app purchases. QMS Audit Pro asks for nothing beyond the download.

SIGMASMITH holds the better App Store score, 5.0 against 3.5. Both are backed by a comparable volume of ratings — 2 and 2 respectively. Written reviews point the same way: 0% of QMS Audit Pro's written reviews are positive against 100% of SIGMASMITH's.

QMS Audit Pro ships an update every 7 months, SIGMASMITH every 3 weeks. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | QMS Audit Pro | SIGMASMITH |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (2 ratings)](https://appshunter.io/ios/app/qms-audit-pro/id1522935059/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sigmasmith/id6475358569/reviews)** |
| Number of ratings | 2 | 2 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 14 MB | 64 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lyons Information System, Inc.](https://appshunter.io/developer/1392608904) | [Richard Valois](https://appshunter.io/developer/1724050357) |

## What reviewers say

### QMS Audit Pro

[App page](https://appshunter.io/ios/app/qms-audit-pro/id1522935059)

This mobile quality management system streamlines field audits, enhances productivity, and improves organizational efficiency. It centralizes quality processes, manages compliance, and provides robust reporting and analytics for manufacturing and other sectors.

**Highlights:** Create audit plans and conduct audits, Manage nonconformances and recommendations, Generate customizable audit reports, Track CAPAs and monitor progress, Cloud-based data storage for analysis, Integrations with enterprise systems

**In-app purchases:** none


### SIGMASMITH

[App page](https://appshunter.io/ios/app/sigmasmith/id6475358569)

This toolkit helps businesses optimize operations by calculating labor costs, tracking error frequency with Pareto charts, and conducting time studies with line balance charts. It provides data-driven insights to enhance productivity and manage resources effectively.

**Highlights:** Efficiency Calculator for labor hours and cost per unit, Error Frequency Tracker with Pareto charts, Time Study tool with line balance charts, Takt Time alignment for demand matching, Data-driven decision making for operations

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get Premium For Life | $0.99 | one-time |
| Get Professional For Month | $4.99 | one-time |
| Get Yearly Subscription | $44.99 | one-time |


## Frequently asked questions

### Is QMS Audit Pro free?

QMS Audit Pro is free to download, with no in-app purchases.

### Is SIGMASMITH free?

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

### Which has better reviews, QMS Audit Pro or SIGMASMITH?

SIGMASMITH is rated higher. QMS Audit Pro averages 3.5 out of 5 from 2 ratings, while SIGMASMITH averages 5.0 from 2 ratings.

### Do QMS Audit Pro or SIGMASMITH have ads?

Neither QMS Audit Pro nor SIGMASMITH shows ads.

### Which is updated more often, QMS Audit Pro or SIGMASMITH?

QMS Audit Pro ships an update every 7 months, and SIGMASMITH every 3 weeks. Most recently, QMS Audit Pro was updated on October 21, 2026 and SIGMASMITH on October 10, 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.*