# VAT/Tax Calculator vs SizeRight

The clearest difference is ads: VAT/Tax Calculator at none against SizeRight's shown. SizeRight's advantage is update cadence (every 3 weeks vs every 21 months) and iOS requirement (15.1 vs 18.0). On price, 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.

VAT/Tax Calculator ships an update every 21 months, SizeRight every 3 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | VAT/Tax Calculator | SizeRight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 21 months | **Every 3 weeks** |
| Size | 5 MB | 26 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Geeky Lemon Development Limited](https://appshunter.io/developer/406806887) | [Alexander Bacsa](https://appshunter.io/developer/1895938685) |

## What reviewers say

### VAT/Tax Calculator

[App page](https://appshunter.io/ios/app/vattax-calculator/id1560558560)

**Features:** macOS Compatibility

**In-app purchases:** none


### SizeRight

[App page](https://appshunter.io/ios/app/sizeright-position-size/id6764857338)

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

**In-app purchases:** none


## Frequently asked questions

### Is VAT/Tax Calculator free?

VAT/Tax Calculator is free to download, with no in-app purchases.

### Is SizeRight free?

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

### Do VAT/Tax Calculator or SizeRight have ads?

SizeRight shows ads; VAT/Tax Calculator does not.

### Which is updated more often, VAT/Tax Calculator or SizeRight?

VAT/Tax Calculator ships an update every 21 months, and SizeRight every 3 weeks. Most recently, VAT/Tax Calculator was updated on October 27, 2026 and SizeRight on October 25, 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.*