# Sampling Calculator vs TQS Code Reader

The clearest difference is price: TQS Code Reader at Free against Sampling Calculator's $5.99. TQS Code Reader also leads on update cadence (every 6 months vs every 16 months). Sampling Calculator's advantage is chart position (#173 vs unranked). On rating, ratings volume, ads and in-app purchases there is nothing between them.

TQS Code Reader is free to download; Sampling Calculator costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Sampling Calculator against 5.0 for TQS Code Reader. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Sampling Calculator ships an update every 16 months, TQS Code Reader every 6 months. The most recent releases landed on September 10, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Sampling Calculator | TQS Code Reader |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sampling-calculator/id1304811062/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/tqs-code-reader/id1577918366/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 6 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#173** | — |
| Size | 3 MB | 33 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Manuel Alfredo Sanchez](https://appshunter.io/developer/1304811061) | [WIPOTEC GmbH](https://appshunter.io/developer/1577918368) |

## What reviewers say

### Sampling Calculator

[App page](https://appshunter.io/ios/app/sampling-calculator/id1304811062)

**Currently charting:** #173 Top Paid · Productivity (US App Store)

This tool helps calculate sampling plans based on ANSI/ASQ Z1.4 and MIL-STD-105E standards. It supports various sampling size code letters and AQLs for normal, tightened, and reduced inspections. It serves as an aid to understanding and applying these quality control standards.

**Highlights:** ANSI/ASQ Z1.4 2013 compliance, MIL-STD-105E compliance, Single sampling size code letters, Normal, Tightened, and Reduced inspection, AQLs from 0.065 to 15

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

**In-app purchases:** none


### TQS Code Reader

[App page](https://appshunter.io/ios/app/tqs-code-reader/id1577918366)

This app decodes and validates 1D and 2D barcodes, checking their content against GS1 and IFA specifications. It provides detailed information about detected identifiers and displays inspection results clearly, storing them in a history database.

**Highlights:** GS1 and IFA code parsing, 1D and 2D code decoding, Detailed identifier information, Structure and content validation, Clear inspection result display, History database for scanned codes

**In-app purchases:** none


## Frequently asked questions

### Is Sampling Calculator free?

Sampling Calculator costs $5.99, with no in-app purchases.

### Is TQS Code Reader free?

TQS Code Reader is free to download, with no in-app purchases.

### Which has better reviews, Sampling Calculator or TQS Code Reader?

Sampling Calculator and TQS Code Reader are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Sampling Calculator or TQS Code Reader have ads?

Neither Sampling Calculator nor TQS Code Reader shows ads.

### Which is updated more often, Sampling Calculator or TQS Code Reader?

Sampling Calculator ships an update every 16 months, and TQS Code Reader every 6 months. Most recently, Sampling Calculator was updated on September 10, 2026 and TQS Code Reader on September 20, 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.*