# Sampling Calculator vs Text To Speech

The clearest difference is price: Text To Speech at Free against Sampling Calculator's $5.99. Text To Speech also leads on update cadence (monthly vs every 16 months). Sampling Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Text To Speech is free to download; Sampling Calculator costs $5.99 up front. Text To Speech sells 1 one-off in-app purchase. Sampling Calculator asks for nothing beyond the download.

Sampling Calculator ships an update every 16 months, Text To Speech monthly. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sampling Calculator | Text To Speech |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sampling-calculator/id1304811062/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Paid | — |
| Size | 3 MB | 32 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Juan Manuel Alfredo Sanchez](https://appshunter.io/developer/1304811061) | [Teely Shop](https://appshunter.io/developer/1467873554) |

## What reviewers say

### Sampling Calculator

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

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


### Text To Speech

[App page](https://appshunter.io/ios/app/text-to-speech-speechify-me/id6757102906)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Package | $3.99 | one-time |


## Frequently asked questions

### Is Sampling Calculator free?

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

### Is Text To Speech free?

Text To Speech is free to download, with in-app purchases available.

### Do Sampling Calculator or Text To Speech have ads?

Text To Speech shows ads; Sampling Calculator does not.

### Which is updated more often, Sampling Calculator or Text To Speech?

Sampling Calculator ships an update every 16 months, and Text To Speech monthly. Most recently, Sampling Calculator was updated on October 14, 2026 and Text To Speech on October 2, 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.*