VAT_Calculator vs RDV Solution
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VAT_Calculator
Calculate VAT, VAT included, and VAT excluded amounts for numerous countries worldwide. This app offers three synchronized screens for seamless calculations and allows for custom rate creation for discounts or unlisted regions.
- Global VAT, GST, HST, PST, Consumption Tax rates
- Three synchronized calculation screens
- Custom rate creation for discounts or unique taxes
- Support for numerous countries worldwide
- User-suggested country additions
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This simple calculator allows, in addition to the basic mathematical operations, calculations to VAT, VAT included and VAT excluded for various countries of the world. With its three screens allows the values and calculations made in one of them to automatically be reflected in the others. All European Union countries as well as many others are included, with their respective VAT/GST/HST/PST/Consumption Tax rates. (More countries to come) It also allows the creation of custom rates for the case you want another type of calculations, such as discounts, fees, or for a country not listed yet etc. If you like to add your country please fill this simple form (https://vatcalculator.valfer.org/p/suggest-country-and-vat-taxes.html) so that I can add it in a future release. If you like VAT Calculator in your language, please contact via email. COUNTRIES LIST: Albania, Algeria, Andorra, Angola, Argentina, Australia, Austria, Bahamas, Bahrain, Bangladesh, Barbados, Belarus, Belgium, Belize, Benin, Botswana, Brazil, Bulgaria, Cambodia, Cameroon, Canada (Alberta, British Columbia, Manitoba, New Brunswick, Newfoundland and Labrador, Northwest Territories, Nova Scotia, Nunavut, Ontario, Prince Edward Island, Quebec, Saskatchewan, Yukon), Cape Verde, Chile, China, Colombia, Costa Rica, Croatia, Cyprus, Czech Republic, Denmark, Dominican Republic, Ecuador, Egypt, El Salvador, Estonia, Ethiopia, Fiji, Finland, France (Corsica, France, Guadeloupe/Martinique/Reunion), French Polynesia, Georgia, Germany, Ghana, Greece (Aegean islands (Normal rate islands), Aegean islands (Reduced rate islands), Greece), Grenada, Guatemala, Guinea, Guyana, Honduras, Hungary, Iceland, India, Iran, Ireland, Israel, Italy, Ivory Coast, Jamaica, Japan, Jersey, Jordan, Kenya, Kosovo, Latvia, Lebanon, Lithuania, Luxembourg, Macedonia , Malaysia, Maldives, Malta, Mauritius, Mexico, Moldova, Montenegro, Morocco, Mozambique , Nepal, Netherlands, New Caledonia, New Zealand, Nicaragua, Niger, Nigeria, Norway, Oman, Pakistan, Palestine, Panama, Paraguay, Peru, Philippines, Poland, Portugal (Azores islands, Madeira islands, Portugal), Puerto Rico, Romania, Russia, Rwanda, Saudi Arabia, Senegal, Serbia, Seychelles, Singapore, Slovakia, Slovenia, Somalia, South Africa, South Korea, Spain (Canary islands, Spain), Sri Lanka, Sudan, Sweden, Switzerland, Tanzania, Thailand, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Ukraine, United Arab Emirates, United Kingdom, United States of America (Alabama, Alaska, Arizona, Arkansas, California, Colorado, Connecticut, Delaware, Florida, Georgia, Hawaii, Idaho, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maine, Maryland, Massachusetts, Michigan, Minnesota, Mississippi, Missouri, Montana, Nebraska, Nevada, New Hampshire, New Jersey, New Mexico, New York, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Utah, Vermont, Virginia, Washington, West Virginia, Wisconsin, Wyoming), Uruguay, Uzbekistan, Venezuela, Yemen, Zambia and Zimbabwe
RDV Solution
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RDV Solution simplifie la prise de rendez-vous pour les indépendants qui travaillent sur réservation. • Un lien de réservation personnel : tes clients choisissent la durée, le jour et l'heure parmi tes vrais créneaux libres. • Un acompte de 10 % payé en ligne pour bloquer le créneau et limiter les rendez-vous manqués. Le solde te revient sur place. • Ton planning de la semaine et toutes tes réservations, à jour en temps réel. • Ta fiche tarifaire et tes disponibilités, modifiables en quelques secondes. • WhatsApp Business connecté en un clic : un assistant répond à tes clients et leur envoie ton lien quand ils sont prêts à réserver. • Ton adresse envoyée automatiquement au client une fois la réservation confirmée. • Une notification à chaque nouveau rendez-vous.
Screenshots
Verdict
The clearest difference is ads: RDV Solution at none against VAT_Calculator's shown. RDV Solution also leads on update cadence (daily vs every 5 months). VAT_Calculator's advantage is iOS requirement (12.0 vs 16.4). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
VAT_Calculator ships an update every 5 months, RDV Solution daily. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | VAT_Calculator | RDV Solution |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (6 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Every 5 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 22 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Joao Ferreira | Easyvent |
In-app purchases
VAT_Calculator
No in-app purchases
RDV Solution
No in-app purchases







