# Simple VAT vs uidChecker

The clearest difference is update cadence: uidChecker at every 6 days against Simple VAT's every 6 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 6 months, uidChecker every 6 days. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Simple VAT | uidChecker |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 days** |
| Monetization | Free | — |
| Size | 7 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-vat-calculator/id364931433)

Quickly calculate VAT and sales tax by adding or removing it from any amount. Supports rates for 59 countries and custom rates for specific regions. Results update instantly as you type.

**Highlights:** Add or remove tax instantly, Supports 59 countries' VAT rates, Customizable sales tax rates, Real-time result updates, Copy results with a press and hold, Remembers settings

**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 6 months, and uidChecker every 6 days. Most recently, Simple VAT was updated on November 1, 2026 and uidChecker on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*