I imagine I must've been working on an update to the the calculators, because none of them work. Also, there's no tariff data for the UK. I haven't looked at the code in 15 years, and am too lazy to fix it now.
Choosing the right tariff is the key to getting the most out of your mobile phone. The Tariffs section shows the following:
Simple and intuitive Tariff search based on Network and Free Airtime availability
A complete cost breakdown of tariffs in the country you select
A side-by-side cost-comparison between any 2 tariffs in the selected country
Which network offers the cheapest tariff for your intended usage
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2. The prices analysed by this service are based on the recommended retail tariffs published by the network operators included in this site.
3. The information and advice given is based on the most recent data obtained from the relevant network operators, and whilst it is believed to be correct at the time of analysis, because services offered are regularly changed it cannot be guaranteed.
4. The prices offered by individual service providers or dealers may vary from the recommended retail tariffs published by the network operator.
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7. The information and advice given is based on an estimate of the charges over the period of the first year of usage which has been calculated using assumptions and averages where appropriate. As a consequence, the information should only be viewed as a guide to actual charges levied by the service provider, network operator or dealer.