Mike Donovan
Budget Travel Expert & Cost Analyst · Cellesim
Based in New York City, Mike Donovan is the Budget Expert for Cellesim. Mike is dedicated to finding the absolute lowest cost per gigabyte for American travelers. He aggressively compares the hidden fees of US carriers and airport SIM kiosks against affordable eSIM plans. Mike’s breakdown tables are legendary among students and backpackers looking to save every dollar on connectivity while exploring Europe and South America.
Related reading(18)
Destination GuidesSri Lanka Roaming Costs $15/Day – Here's the $4 eSIM Alternative for 2026
Avoid average $100+ roaming bills in Sri Lanka. Get instant data for $4, navigate temples and beaches seamlessly. Compare plans & stay connected.
Destination GuidesRoaming in Montenegro Costs €18/Day? How eSIM Saves 90% in 2026
Montenegro roaming bills hit €180/week for many. Discover how Cellesim eSIM starts from €5, saving you up to 90% on data in 2026. Get connected instantly.
Destination GuidesConquer US National Parks: Best eSIM for Remote Road Trips
Explore US National Parks with reliable eSIM data in 2026. Stay connected on remote road trips, navigate safely, and share memories. Get your Cellesim eSIM now.
eSIM GuideWhen Is Turkey Day 2026? Your Ultimate Thanksgiving Guide
Find out when Turkey Day 2026 is celebrated in the USA & Canada. Plan your holiday travel with Cellesim eSIM for seamless connectivity.
Travel Styles / PersonasThe Best eSIM for Nicaragua 2026: Your Ultimate Connectivity Guide
Traveling to Nicaragua in 2026? This guide demystifies eSIM technology, showing you how to get affordable, high-speed data from the moment you land. Stay connected with ease.
Travel Styles / PersonasAsia Backpacking 2026: One eSIM for 20 Countries Explained
Planning a multi-country backpacking trip through Asia in 2026? This guide explains how a single regional eSIM can provide seamless mobile data across 20+ countries, helping you decide if it's the right choice over local SIMs or expensive roaming.
How-to & GuidesHow to Set Up an eSIM for Mexico: Your Family's Spring Break Connectivity Guide
Planning a family trip to Mexico for Spring Break? This step-by-step guide shows you exactly how to set up a Mexico eSIM to avoid high roaming fees and keep everyone connected.
Destination GuidesAnguilla's 33 Beaches: The Ultimate 2026 Guide to Sun, Sand & Seamless Connectivity
Planning a trip to Anguilla's 33 beaches? Our 2026 guide covers everything from the world-famous Shoal Bay to staying connected with a Caribbean travel eSIM.
Destination GuidesBest eSIM for Canada Travel 2026: Your Ultimate Connectivity Guide
Discover the best eSIM for Canada travel in 2026. Stay connected across cities and nature with Cellesim's affordable, high-speed plans. Get your Canada eSIM today!
Destination GuidesWill My Phone Work With an eSIM Overseas? Your Essential Pre-Travel Checklist
Will your phone work with an eSIM overseas? This guide provides a simple two-step checklist to verify your phone's compatibility and unlock status for seamless international travel.
Travel TipsWhat Is the Best Way to Get Internet When Traveling Abroad?
Don't get hit with surprise roaming fees. This guide breaks down all travel internet options, from local SIMs to pocket WiFi, and reveals the best way to get internet abroad.
Travel TipseSIM vs. Physical SIM: The Airport Decision Every Traveler Faces
Tired of airport SIM card queues? This guide breaks down the eSIM vs physical SIM debate for travelers, comparing cost, convenience, and security to help you stay connected.
Travel TipsYour Ultimate Guide to Getting Around Turkey: Uber, BiTaksi & Public Transport
Navigate Turkey like a pro with our expert guide. We break down Uber vs. BiTaksi, explain Istanbul's public transport, and share essential connectivity tips.
Travel TipsThe Best eSIM for USA Travel: A Complete Guide for International Visitors
Planning a trip to the States? Our guide breaks down how to find the best eSIM for USA travel, helping you avoid high roaming fees and stay connected with fast 4G/5G data from the moment you land.
Travel TipsWhat’s the Cheapest Way to Get Data While Traveling Internationally?
Tired of huge roaming bills? We break down the real costs of international roaming, local SIMs, and free Wi-Fi to find the cheapest way to get data abroad.
Savings & ComparisonsIs 256kbps Throttled Speed Usable? A Traveler's Reality Check
You've hit your data limit abroad. Is a 256kbps throttled speed usable? We break down what works (Google Maps, messaging) and what doesn't (social media, video).
How-to & GuidesHow to Set Up an eSIM for Your Multi-City USA Business Trip in 2026
A step-by-step guide for business travelers on setting up an eSIM for seamless connectivity across multiple US cities. Avoid roaming fees and stay productive in 2026.
Travel Styles / PersonasUK Mobile Roaming Charges in the USA: Avoid the £7/Day Trap Post-Brexit
Travelling to the USA? Don't get stung by high roaming fees from EE, Three, or Vodafone. Discover why paying £5-£7 daily is a mistake and how to save money on your holiday data.