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See what travelers are saying about their Southeast Asia eSIM experience. Real feedback from real users to help you pick the best plan for your trip.
“I noticed that the pay-as-you-go option does not appear in the plan listings on esimdb, which caught my attention a little. After actually using it, I personally feel this is the most convenient option.
Because it is fully usage based, you can keep using it seamlessly even when moving between countries, which is incredibly convenient. With cheaper flight tickets, long layovers at airports in China are common, and sometimes you may want to head into the city for a short while. In those situations, it feels a bit wasteful to purchase a one day plan or a large data package, so this option fits perfectly.
Airport WiFi is available, of course, but connections can be unstable, and SMS verification is sometimes required, which often makes it more troublesome than expected. That is why having the reassurance of being able to connect immediately on your own mobile line, even during immigration, feels very valuable.
Overseas roaming is also available with ahamo and Rakuten Mobile, but there are still countries that are not covered. Having this set up as a dual SIM feels like something that could really help in an emergency. I also appreciate that LINE and WhatsApp continue to work even after the main data allowance has been used up. It is a small detail, but genuinely useful.”
“Able to activate this eSIM from Indonesia however unable to connect to any provider in Singapore. Refund process was quite easy. I gave two stars because of how easy the refund process was otherwise one star.”
“Delays, Misleading Product Info, and a Frustrating Refund Process
I bought two 33GB eSIMs for the Philippines and they were completely unusable — SMART required local‑resident documents, which Airhub never mentioned. Support ignored my ticket for 17 days, then claimed they had replied (they hadn’t) and even leaked another customer’s email in a screenshot.
After weeks of excuses and delays, they only offered a 50% refund for a service that never worked at all.
Unreliable service, misleading info, and very poor support.”
“Never received the esim. Support chat doesn't answer.
”
“Good”
“I was looking for a 5GB x 15 days Viettel SIM and most websites said this package was "soldout". ChillaxSIM had it in stock but the site looked kind of sketchy. The price was low enough to give it a try and it worked great! I added the eSIM from the QR code when I was still in the states with WiFi. While it appeared on my service list it wouldn't activate. As soon as I landed in Vietnam, activation completed and the service worked perfectly (no WiFi needed). I had service in all areas we visited, even rather remote. Compared to some of my travel partners who paid per day as much as my 15 day package was, I highly recommend!”
“I bought unlimited for one day. Throttling speed was so obvious, can't go above 200 kb/s. Regardless of advertising 5g, esim connected on LTE network.
Complete waste of money.”
“Overall it was a pleasant experience. Purchase and setup was quick and easy. Will use again if needing a short term Esim for travel.”
“I’ve used Billion Connect for multiple eSims abroad now, and I’ve found them great every time. Their customer service responds pretty quickly to any issues, and the sims are cheap and work well. Be aware the sims are mostly based in Hong Kong so if you’re geographically far from there the latency might be a little high, and you may need a VPN for things like TikTok to work, but I’ve had very few issues.”
“Supera link functioned perfectly for me in Singapore when i visited last march, providing 5G coverage across the whole city on the local du network
But when visiting smaller island nations, you might find that the local networks have limitations. It's worth thinking about how internet access is provided to these little islands”
“It seems the roaming provider has changed from Singtel to KPN. As a result, data now routes through the Netherlands, thus higher latency than before (200+ms). It connects to Smart network. There were several occasions when the signal dropped to "E" (Edge), and data could not be used. This might be due to local coverage issues. The latency is still manageable, but the occasional loss of connectivity is a bit inconvenient. I wouldn't recommend it.”
“Worked great 95% of the time. Speeds were 100+mbps in most areas in all the countries I visited. Ping was around 60-200ms.
Two downsides:
1. ChatGPT or apps blocked in Hongkong do not work anymore without VPN
2. In very crowded places internet would slow down a lot”
“Easy to use, decent speeds (not particularly fast but not frustratingly slow either). But this eSIM uses roaming via Hong Kong, so I wasn't able to use ChatGPT which was a bummer.”
“I received a Viettel esim and it worked without any problems throughout Vietnam.”
“I used it only for a few days, but it worked without any issues. The signal was consistently available, and I was able to use Personal Hotspot to share data with my laptop, which was really convenient. However, the price is definitely not on the cheap side. Without the promo code discount, it wouldn't have been my first choice.”
“Used Jetpac eSIM for my trip to Bali because it was pretty good price during a sale.
Although the IP address was from the US, the internet breakout was in Singapore.
I wouldn't say the connection quality was exceptionally good, but it was decent enough without any major inconveniences, so it certainly passed the test.
While in Bali, it connected to Tri (3) network, and the signal was generally fine. If the price is more or less the same or cheaper, I might consider using it again for my next trip.”
“Connection quality was not specified. It's changing between 3g and LTE. Registration process is a bit clumsy and you don't get your esim instantly.”
“I bought an Airhub eSim through this site, the payment was done immediately and I got a receipt to my mail but they didn't send me the eSIM details nor the QR code and said that I need to pay for the sim. After many emails still didn't get the esim. DON'T BUY AIRHUB ESIM.
Its a scam.”
“Mobile internet worked fine with the dtac network, mostly on 5G in Phuket. But unfortunately, tethering stopped working after two days. Also, the SMS I received after inquiring about my data usage was unclear about how much data I had left. It simply mentioned “max internet speed” without specifying the 50GB limit or my current usage.
I bought similar dtac eSIM products from other providers in my past trips and tethering worked just fine with them.”
“Promo code is not working ”
“It is not working, I don’t recommend to use that eSIM ! ”
“Update from previous rating...
Customer support slowly but finally responded: full refund as store credit - valid for one year. Thus, not feeling so bad with the purchase.”
Everything you need to know about using eSIMs in Southeast Asia
The directory lists more than 140 travel eSIM providers and over 5 500 prepaid data plans for Southeast Asia, giving travelers a wide variety of options to choose the plan that best fits their needs.
Unlimited data eSIM plans for Southeast Asia are offered by several providers. abesteSIM, MicroEsim, Billion Connect, Roamify, Truely, Yesim and FairPlay all have plans that give you an unlimited data allowance for validity periods ranging from 1 to 30 days (FairPlay offers a 3‑day minimum). Each of these plans operates on 5G networks and typically allows tethering, though speed can be throttled after certain usage thresholds; some plans cap maximum speeds at 5 Mbps or offer a reduced speed of 128 kbps when traffic conditions require it. Prices for these unlimited options generally fall between about $2.40 and $75.50 USD, depending on the provider and chosen validity period. Travelers wishing to stay on the open internet can select any of these plans, but should keep in mind that speeds may be limited during peak usage times.
Travel eSIM plans that include a phone number and SMS for Southeast Asia are offered by several providers, including GlobaleSIM, Roamify, Orange Travel, Earth Esim, Airhub, and TravelKon. All of these plans use phone numbers from outside Southeast Asia—most use the US dialing code +1, while Orange Travel, Earth Esim, and TravelKon use the French dialing code +33 and Airhub uses +44—so the numbers are not local Southeast Asian numbers. The plans typically support inbound and outbound voice calls and, where available, inbound and outbound SMS, allowing callers to receive messages on the eSIM’s number and to send SMS as well.
Prices for these plans start around $4 for a 7‑day 1 GB plan from GlobaleSIM and rise to roughly $40 for 20 GB 30‑day plans from Airhub or TravelKon. Validity periods commonly range from 7 to 30 days, though some longer‑term options are also available, and data caps vary from 1 GB to 20 GB. These eSIMs enable travelers to keep a working phone number during their Southeast Asian stay even though the number is not locally based.
Summarized by AI, Last updated:
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