Simple VAT vs CoolOps

SimpleVAT is the quickest way to work out VAT. Type an amount, tap Add VAT or Remove VAT, and see the net, gross and VAT figures instantly. REBUILT FOR 2026 SimpleVAT has been completely rebuilt with a clean new design that fits every iPhone and iPad. ADD OR REMOVE VAT • Add VAT to a net price to get the total • Remove VAT from a gross price to get the net amount and the VAT paid • Results update as you type UP-TO-DATE RATES BUILT IN • UK – 20% • France – 20% • Germany – 19% • Italy – 22% • Spain – 21% • India – 18% (GST) • Australia – 10% (GST) • Argentina – 21% CUSTOM RATE Need a different rate? Set your own custom percentage for any country, reduced rate or sales tax. SIMPLE AND SLEEK • Big, clear numbers you can read at a glance • Press and hold a result to copy it • Remembers your amount, rate and mode, so you can pick up where you left off 100% FREE No ads, no sign-up, no subscriptions. Just download it and keep it on your phone for the next time you need to work out VAT.

Built for solo HVAC technicians who do the work AND the paperwork. Invoice the customer before you leave the site, log refrigerant in seconds, and keep your records straight — all from your iPhone, fully offline. INVOICE ON SITE • Quick invoices with service presets and line items. • Auto-pull the refrigerant you just logged into the invoice. • Generate a clean PDF and capture the customer's signature on the spot. REFRIGERANT RECORDS Federal leak-repair rules changed on January 1, 2026: the charge threshold dropped from 50 lbs to 15 lbs for many HFC systems. • Add, recover, and transfer refrigerant with all the fields you need: date, type, quantity, equipment, technician, EPA certification number. • Automatic 12-month rolling leak rate, compared with the threshold you select — 10% comfort cooling, 20% commercial refrigeration, 30% IPR. • Export a print-ready refrigerant service record PDF — share in a tap. • Scan an equipment serial number with the camera — no more squinting at nameplates. • Service history by equipment — look up any unit fast. WORKS WITHOUT SIGNAL • Everything is stored on your device — basements, rooftops, dead zones, no problem. • No account or setup wizard to fight through. WHY TECHS PICK IT • Field-first: big targets, fast entry, made for gloved hands. • One app for refrigerant records + invoicing instead of two or three. • Flat, honest pricing — no per-user enterprise fees. Start with a free trial, then go Pro for full access. CoolOps is a record-keeping aid. It does not determine which federal or state rules apply to your equipment, and it is not legal or compliance advice. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://sites.google.com/view/coolops-privacy/