Comparison

Simple VAT vs uidChecker

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Simple VAT

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
Read full description

Simple VAT is the quickest way to work out VAT and sales tax. Type an amount, tap Add or Remove, and see the pre-tax amount, the total and the tax straight away. ADD OR REMOVE TAX • Add tax to a pre-tax price to get the total • Remove tax from a tax-inclusive price to get the pre-tax amount and the tax paid • Results update as you type VAT FOR TRAVEL, IMPORTS AND EU INVOICES • Check what VAT is included in prices when you shop or travel abroad • Work out VAT on imports and on invoices from European suppliers or clients • Rates for 59 countries, including the UK, Ireland, Germany, France, Spain, Italy, the Netherlands, Canada, Mexico, Japan and Australia • Tap More to pick any country SALES TAX AS A CUSTOM RATE The US has no national VAT, so enter your state's sales tax rate (or your combined state and local rate) as a custom rate. It works for any other special rate, too. SIMPLE AND CLEAR • Big, clear numbers you can read at a glance • Press and hold a result to copy it • Remembers your amount, rate and mode • Works on iPhone and iPad, in 35 languages

About

uidChecker

Features
Read full description

Mit uidChecker können Sie eine beliebige europäische Umsatzsteuer ID auf ihre Gültigkeit prüfen

Screenshots

Simple VAT4 screens
uidChecker2 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences · 6 level
Simple VAT versus uidChecker: the parameters behind the verdict, then further details
ParameterSimple VATuidChecker
PriceFreeFree
Positive reviews47.4% of reviews—
Update frequencyEvery 6 monthsEvery 6 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.07.0 — better
Further details — not scored
Size7 MB1 MB
Age rating+44+
DeveloperOKD LimitedReinhard Haug

In-app purchases

None

Simple VAT

No in-app purchases

None

uidChecker

No in-app purchases

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.

Other comparisons