Guides
eSIM, number and crypto guides
78 guides to the questions people actually ask: how eSIMs work, how to stay private, what a virtual number can do, how to pay with crypto, and how to call abroad for less. Each one uses our real prices and says where we are not the best fit.
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The four complete guides. Every other guide goes deeper into one part of these.
eSIM guide
What an eSIM is, whether your phone takes one, how to install and activate it, and how to fix it when it will not connect.
eSIM guideeSIM vs physical SIMWhich one fits your trip, side by side.
eSIM guideDoes my phone support eSIM?Check your phone in under a minute.
eSIM guideInstall an eSIM on iPhoneStep by step, with the exact taps.
eSIM guideInstall an eSIM on AndroidThe steps for any Android phone.
eSIM guideInstall an eSIM on SamsungGalaxy menus, step by step.
eSIM guideInstall an eSIM on PixelAdd a travel eSIM in a few taps.
eSIM guideHow to activate an eSIMInstall at home, switch on when you land.
eSIM guideeSIM not working?Every fix, symptom by symptom.
eSIM guideHow much data do I need?Work it out for your trip with a calculator.
eSIM guideDual SIM with an eSIMKeep your number and add travel data.
eSIM guideDoes an eSIM come with a phone number?What you get, and how to add a number.
eSIM guideUse an eSIM as a hotspotShare data with your laptop, safely.
eSIM guideHow to delete an eSIMWhen to delete, and when to switch it off.
eSIM guideUnlimited data eSIMWhat unlimited really means, and the fair-use catch.
eSIM guideGlobal eSIMOne eSIM for 117 countries, and when it pays off.
eSIM guideHow to avoid roaming feesEvery way to stay connected abroad for less.
eSIM guideeSIM reseller programYour own eSIM shop, 20% under our prices.
eSIM guideAPN settings by countryGet mobile data working again.
Privacy
How to buy mobile data without ID, what SIM registration laws require, and how to keep your phone private on the road.
PrivacyAnonymous eSIMPrivate mobile data, bought without ID.
PrivacyNo-KYC eSIMMobile data with no identity checks.
PrivacySIM card registrationWhich countries demand ID, and why.
PrivacyStay private while travelingA checklist for your phone, data and money.
PrivacySignal link generatorA private chat link and QR code.
PrivacyIs this text a scam?Paste it, see the red flags.
Virtual numbers
Virtual numbers explained: what they are, which apps accept them, and when a one-time code is enough.
Virtual numbersVirtual number for verificationReceive codes without your real number.
Virtual numbersReceive SMS onlineFree inboxes vs a private number.
Virtual numbersTemporary phone numberA number for as long as you need it.
Virtual numbersChoosing an SMS verification serviceA scorecard to compare any of them.
Virtual numbersAnonymous phone numberFour ways to keep your number private.
Virtual numbersAre virtual numbers safe and legal?What is fine, and what is not.
Virtual numbersBurner phone or virtual number?Which one you actually need.
Virtual numbersWhat is a VoIP numberFixed vs non-fixed, and where it works.
Virtual numbersVirtual number for businessA second line for work, priced honestly.
Virtual numbersGoogle Voice alternativesA number outside the US, without an ID check.
Virtual numbersFree virtual numberThe real free options, and their limits.
Virtual numbersSecond phone numberEvery way to get one, compared.
Virtual numbersSMS activationA one-time number for one code.
Virtual numbersFake phone number generatorOfficial numbers for films and tests.
Virtual numbersWhatsApp link generatorA chat link and QR code in seconds.
Virtual numbersWhatsApp text formatterBold, italic, lists, live preview.
Virtual numbersTelegram link generatorA t.me link from a name or number.
Virtual numbersViber link generatorA chat link and QR code for Viber.
Crypto payments
Which coin to pay with, what each network costs and how fast it confirms, and whether buying with crypto is legal where you live.
Crypto paymentsPay with BitcoinOn-chain BTC, step by step.
Crypto paymentsPay with MoneroThe most private way to pay.
Crypto paymentsPay with EthereumETH on mainnet, and what gas costs.
Crypto paymentsPay with USDTDollar-stable, and which network to pick.
Crypto paymentsPay with USDCA digital dollar, sent in minutes.
Crypto paymentsPay with SolanaFast and cheap, step by step.
Crypto paymentsPay with BNBLow fees on BNB Smart Chain.
Crypto paymentsPay with TRONTRX and cheap USDT transfers.
Crypto paymentsPay with PolygonPOL, low fees, step by step.
Crypto paymentsIs buying an eSIM with crypto legal?Country by country, with the tax rules.
Crypto paymentsWhich coin should you pay with?Fees, speed and privacy compared.
Crypto paymentsBest crypto eSIM providersWho really takes crypto, compared.
Crypto paymentsWhich network is this address?Catch the wrong network before you send.
Crypto paymentsCheapest way to send USDTLive fees on five networks.
Crypto paymentsSent crypto to the wrong network?What you can recover, case by case.
Crypto paymentsCrypto payment QR codeScan-to-pay codes for any coin.
Crypto paymentsSats to USD converterSatoshis, bitcoin and dollars.
Crypto paymentsGwei converterGwei, ETH and gas fees in dollars.
Calling
How to dial another country, every calling code, the cheapest ways to call abroad, and setting up a SIP app.
CallingSIP account with cryptoOne login for any app or PBX, every country.
CallingSIP trunk for your PBX10 lines for 3CX, FreePBX or Asterisk.
CallingSet up LinphoneAdd a SIP account on Android, iPhone or PC.
CallingDID numbers for SIPFlat price, incoming calls included.
CallingSkype alternativesReplace Skype calls, credit and numbers.
CallingHow SIP worksPorts, codecs and error codes, explained.
CallingBest SIP appsSIP softphones for phone and computer, compared.
CallingHow to call another countryExit code, country code, number.
CallingCountry codes listEvery calling code, searchable.
CallingInternational callingPrepaid minutes to 200+ countries.
CallingFree phone and travel toolsLookups, checkers and calculators.
CallingPhone number lookupWhich country, mobile or landline.
CallingEmergency numbers by countryPolice, ambulance and fire, everywhere.
CallingCalling guides by countryThe calls people make most, step by step.
Looking for a specific destination instead? Browse eSIMs by country, city guides or virtual numbers by country. Shorter reads, like how to avoid roaming fees, live on the SimVala blog.