# Sampling Calculator Lite vs AI Email Writer App

The clearest difference is in-app purchases: Sampling Calculator Lite at none against AI Email Writer App's 3. AI Email Writer App's advantage is update cadence (weekly vs every 14 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Email Writer App sells 3 in-app purchases, starting at $9.99 per month. Sampling Calculator Lite asks for nothing beyond the download.

Sampling Calculator Lite ships an update every 14 months, AI Email Writer App weekly. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Sampling Calculator Lite | AI Email Writer App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (3 ratings)](https://appshunter.io/ios/app/sampling-calculator-lite/id1312060456/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 14 months | **Weekly** |
| Monetization | Free | — |
| Size | 1 MB | 24 MB |
| Requires iOS | 13.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Juan Manuel Alfredo Sanchez](https://appshunter.io/developer/1304811061) | [Doga Bayram](https://appshunter.io/developer/1446226385) |

## What reviewers say

### Sampling Calculator Lite

[App page](https://appshunter.io/ios/app/sampling-calculator-lite/id1312060456)

This tool helps calculate sampling plans based on ANSI/ASQ Z1.4 2013 and MIL-STD-105E standards. It assists in determining sampling size codes and inspection levels for quality control processes.

**Highlights:** ANSI/ASQ Z1.4 2013 compliance, MIL-STD-105E compliance, Single sampling size calculation, Normal and Reduced inspection, AQL range from 0.065 to 15, Supports size code letters I, II, and III

**Features:** macOS Compatibility

**In-app purchases:** none


### AI Email Writer App

[App page](https://appshunter.io/ios/app/ai-email-writer-app-textx/id6475508821)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month Premium | $9.99 | per month |
| 3 Months Premium | $24.99 | per 3 months |
| 1 Year Premium | $59.99 | per year |


## Frequently asked questions

### Is Sampling Calculator Lite free?

Sampling Calculator Lite is free to download, with no in-app purchases.

### Is AI Email Writer App free?

AI Email Writer App is free to download, with in-app purchases available.

### Do Sampling Calculator Lite or AI Email Writer App have ads?

Neither Sampling Calculator Lite nor AI Email Writer App shows ads.

### Which is updated more often, Sampling Calculator Lite or AI Email Writer App?

Sampling Calculator Lite ships an update every 14 months, and AI Email Writer App weekly. Most recently, Sampling Calculator Lite was updated on October 16, 2026 and AI Email Writer App on September 30, 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.*