# Date Converter vs VAT CheckMachine

The clearest difference is review sentiment: Date Converter at 50% against VAT CheckMachine's 0%. Date Converter also leads on update cadence (every 3 weeks vs every 2 months). VAT CheckMachine's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Date Converter sells 1 one-off in-app purchase. VAT CheckMachine asks for nothing beyond the download.

Date Converter ships an update every 3 weeks, VAT CheckMachine every 2 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Date Converter | VAT CheckMachine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (110 ratings)](https://appshunter.io/ios/app/date-converter-calendars/id382423257/reviews)** | — |
| Number of ratings | **110** | — |
| Positive reviews | **50.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 33 MB | 11 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TenTal](https://appshunter.io/developer/498836243) | [Escape Tech Ltd](https://appshunter.io/developer/1435187355) |

## What reviewers say

### Date Converter

[App page](https://appshunter.io/ios/app/date-converter-calendars/id382423257)

Easily convert dates between various calendar systems like Gregorian, Islamic, Coptic, and Hebrew. Features authentic month names and a modern, customizable interface for researchers, historians, and religious observers.

**Highlights:** Convert between Gregorian, Islamic, Coptic, Um Al Qura, Hebrew, and Solar Hijri calendars, Authentic month names for each calendar system, Intuitive, modern Material Design 3 interface, Customizable calendar display and order, Advanced date selection with direct year editing, Seamless synchronization across all displayed calendars

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| REMOVE ADS OPTION | $1.99 | one-time |


### VAT CheckMachine

[App page](https://appshunter.io/ios/app/vat-checkmachine/id522679811)

This free utility app validates EU VAT numbers instantly and calculates VAT amounts for all EU states. It offers on-the-fly correctness testing and keeps a history of checked numbers for easy reference and sharing.

**Highlights:** Instant EU VAT number validation, On-the-fly correctness testing, VAT and Net/Gross amount calculation, Supports all 28 EU states, History of checked numbers, Sharing of checked numbers

**In-app purchases:** none


## Frequently asked questions

### Is Date Converter free?

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

### Is VAT CheckMachine free?

VAT CheckMachine is free to download, with no in-app purchases.

### Do Date Converter or VAT CheckMachine have ads?

Date Converter shows ads; VAT CheckMachine does not.

### Which is updated more often, Date Converter or VAT CheckMachine?

Date Converter ships an update every 3 weeks, and VAT CheckMachine every 2 months. Most recently, Date Converter was updated on October 29, 2026 and VAT CheckMachine on October 23, 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.*