The best eSIM for Singapore depends on how much data you need, but for a typical trip eSIM Ahora offers plans from $1.20, activated by QR code in about 30 seconds with no roaming from your home carrier. A 3 GB, 30-day plan costs $3.85. You connect, with top-ups available and nationwide coverage. Compatible with iPhone XS or newer, Samsung Galaxy S21+ and Google Pixel 3+.
Full-speed data every day; after the daily cap the speed is reduced.
Full speed up to 500 MB/day, then 512 Kbps.
Every eSIM can be installed within 180 days of purchase. Plan validity starts when you first connect.
Your eSIM picks between the networks your plan includes. The ones marked "plan-dependent" are only on some plans.
Singapore has three carriers: Singtel (Singapore Telecommunications, market leader with broadest 5G), StarHub (nationwide 5G), and M1 (Keppel subsidiary, best value). Plugs are Type G (British three-pin, colonial legacy), 230V — you need an adapter from continental Europe or the Americas. 5G coverage is virtually total — the entire island (728 km²) including Sentosa, Jurong, Tuas, all MRT stations (underground included), and Changi airport.
Changi Airport (SIN) is considered the world's best — unlimited free WiFi, gardens, pool, cinema, transit hotel. The currency is the Singapore dollar (SGD, ~1.35 SGD/USD); DBS, OCBC, and UOB ATMs accept foreign cards with no commission up to 1000 SGD. Tipping is NOT tradition — service charge (10%) is already included. Singapore is strict on laws: gum prohibited (except medical), littering brings heavy fines, smoking restricted. EZ-Link card is essential for MRT, buses (rechargeable at any 7-Eleven or station). Grab (Asian Uber) dominates; taxis also available with mandatory meter.