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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.
“Found the cheapest 50GB plan. Ordered and I've got no confirmation, no information within my account on their page, nothing. WhatsApp support very quick and responsive, though can't help much. Since I've got no plan nor any information, they've said 'will forward to shift manager' couple of times. I had to push them multiple times to receive my Esim. Zero empathy, zero apologies, nothing offered as the apology. Esim arrived 3 HOURS LATE manually into the WhatsApp without any confirmation or whatever, just 'that's your esim'. DO NOT RECOMMEND. Though Esim plan so far working fine, but everything around ain't worth trying to save. BIG REGRET.”
“Didn't work!”
“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.”
“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.”
Everything you need to know about using eSIMs in Southeast Asia
Over 150 travel eSIM brands provide more than 7, 000 prepaid data plans across Southeast Asia, giving travelers a wide variety of options to choose from.
Unlimited data eSIM plans are available for Southeast Asia from several providers. abesteSIM offers a single-day unlimited plan that begins at $2.54, while MicroEsim, Roamify, Truely, Giga.Tel, Yesim and FairPlay provide unlimited data for periods ranging from one to thirty days, with prices spanning from $2.67 up to $227.22. Most of these plans allow tethering, but speed may be throttled after a certain usage threshold. Giga.Tel specifies a speed cap of 10 Mbps. Overall, the price range for unlimited data plans in this region is roughly $2.50 to $230.Travelers should consider the length of stay, data usage habits, and any speed restrictions when choosing a plan that ensures sufficient connectivity for their trip.
Travel eSIM plans that include a phone number with full inbound and outbound SMS support are available for Southeast Asia. Providers that offer such plans include GlobaleSIM, ESIM.DOG, EtravelSIM, Roamify, Airhub, and eSIMX. These plans give you a voice line with inbound and outbound calls and both inbound and outbound SMS. The dialing codes listed for the plans are +1 (used by GlobaleSIM, ESIM.DOG, and eSIMX) and +44 (used by EtravelSIM and Airhub), meaning the phone numbers are from the United States or the United Kingdom rather than from Southeast Asian countries. Validities range from 7 to 30 days and the cheapest plan starts at $4.00 USD for a 1 GB, 7‑day GlobaleSIM plan, while most other options are priced between $10 and $15.
Because the numbers are tied to foreign dialing codes, a local Southeast Asian number is not provided in these options. If a local number is needed, you would have to search for a provider that lists a Southeast Asian country code. Even without a local number, travelers can still use data‑only eSIMs and VoIP apps such as WhatsApp, Telegram, or iMessage to send and receive messages in Southeast Asia.
Summarized by AI, Last updated:
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