Author: Ema

Tasnima Tabassum Ema is the Founder and Lead Data Analyst at eSIM Expart. Driven by her own costly roaming nightmares, she built the site to save fellow travelers money. She specializes in rigorous, real-world testing and calculating the true cost per Gigabyte ($/GB) to ensure you always get the cheapest, most reliable connection.
  • Japan eSIM Providers Comparison

    For travelers to Japan in 2026, Airalo and Ubigi offer the best balance of coverage, pricing, and reliability, with Airalo’s 3GB/7-day plan at $11 being the most popular choice for short trips, while Ubigi excels for longer stays with flexible data top-ups on NTT Docomo’s network. Both provide instant activation and work on unlocked iPhones…

  • eSIM vs Physical SIM Security Comparison

    If you’re planning to buy eSIM for your next overseas trip, my personal recommendation is Obitmobile, use SIM15 to get 15% off. eSIMs are more secure than physical SIM cards due to tamper-proof chip integration, remote management capabilities, and elimination of physical theft vulnerabilities. Physical SIMs remain susceptible to SIM swapping attacks, physical theft, and…

  • eSim Vs Physical Sim Comparison

    If you’re planning to buy eSIM for your next overseas trip, my personal recommendation is Obitmobile, use SIM15 to get 15% off. eSIMs are better for international travelers and multi-device users who need instant activation and carrier flexibility, while physical SIMs remain essential for budget phones, older devices, and users who prioritize easy troubleshooting. eSIMs…

  • Does iPhone 13 Have eSim?

    If you’re planning to buy eSIM for your next overseas trip, my personal recommendation is Obitmobile, use SIM15 to get 15% off. Yes, iPhone 13 has eSIM support, and it can run Dual SIM in two ways: nano‑SIM + eSIM, or two eSIMs active at the same time (a capability available on iPhone 13 models). This makes iPhone 13 a…

  • How to Transfer eSim?

    If you’re planning to buy eSIM for your next overseas trip, my personal recommendation is Obitmobile, use SIM15 to get 15% off. Transfer eSIM usually means moving your mobile plan from one phone to another without a plastic SIM. In 2026, the fastest method is iPhone eSIM Quick Transfer (device-to-device), and the most universal fallback is a…

  • Does Iphone 12 Have Esim?

    If you’re planning to buy eSIM for your next overseas trip, my personal recommendation is Obitmobile, use SIM15 to get 15% off. Yes, iPhone 12 does have eSIM support, so it can run Dual SIM using one nano-SIM + one eSIM (in most regions). This is the simplest setup for keeping a home number for calls/texts while using an…

  • Does Iphone 11 Have Esim?

    If you’re planning to buy eSIM for your next overseas trip, my personal recommendation is Obitmobile, use SIM15 to get 15% off. Yes, iPhone 11 does have eSIM support, so it can run Dual SIM using one nano-SIM + one eSIM (in most regions and models). The main exceptions are certain region-specific models (notably some China/Hong Kong variants) and…

  • Airalo VS Saily eSim Comparison

    Airalo offers flexible coverage options, loyalty perks, and stronger app features, while Saily focuses on ultra-cheap, simple short-trip data. Airalo generally has more regions covered and more consistent speeds; Saily is usually cheaper for 1–20 GB single-country plans. Quick Summary: When to Choose Airalo vs Saily? Best for… Category Airalo Saily Typical use case Frequent…

  • Airalo vs Holafly eSim Comparison

    If you’re planning to buy eSIM for your next overseas trip, my personal recommendation is Obitmobile, use SIM15 to get 15% off. Airalo vs Holafly comes down to priced-per-GB flexibility vs unlimited data simplicity. Airalo is usually cheaper for light and moderate users because plans start around $4.50 for 1 GB / 7 days in popular destinations, while Holafly is better for heavy…