# Simple VAT vs uidChecker

The clearest difference is update cadence: uidChecker at every 6 days against Simple VAT's every 14 months. uidChecker also leads on iOS requirement (7.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simple VAT ships an update every 14 months, uidChecker every 6 days. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Simple VAT | uidChecker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 47.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 1 MB | 1 MB |
| Requires iOS | 17.0 | **7.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OKD Limited](https://appshunter.io/developer/414568849) | [Reinhard Haug](https://appshunter.io/developer/829811495) |

## What reviewers say

### Simple VAT

[App page](https://appshunter.io/ios/app/simple-vat/id364931433)

Easily calculate Value Added Tax (VAT) by adding or subtracting it with a single tap. This free tool supports VAT rates for multiple countries and remembers your last session for quick access.

**Highlights:** Add or subtract VAT, Country-specific VAT rates, Saves application state, Simple and sleek design, 100% free to use

**Features:** Vision Pro support

**In-app purchases:** none


### uidChecker

[App page](https://appshunter.io/ios/app/uidchecker/id829811492)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simple VAT free?

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

### Is uidChecker free?

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

### Do Simple VAT or uidChecker have ads?

Neither Simple VAT nor uidChecker shows ads.

### Which is updated more often, Simple VAT or uidChecker?

Simple VAT ships an update every 14 months, and uidChecker every 6 days. Most recently, Simple VAT was updated on October 8, 2026 and uidChecker on October 18, 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.*