# Xummer eSIM — user reviews > 50 indexed App Store user reviews of Xummer eSIM by May Ching Teo, rated 4.80/5 from 13 ratings. - Source: https://appshunter.io/ios/app/xummer-esim/id6711333132/reviews - App overview in markdown: https://appshunter.io/ios/app/xummer-esim/id6711333132.md - Rating breakdown: 5★ 11 · 4★ 2 · 3★ 0 · 2★ 0 · 1★ 0 ## What do users think of Xummer eSIM? Overall sentiment: negative **Pros** - 👍 Easy to use - 👍 Good line connection - 👍 Fast response - 👍 Helpful helpline - 👍 Reliable service - 👍 Works well in Japan - 👍 Unlimited data (initially) **Cons** - 👎 Unresponsive customer service - 👎 App not functioning - 👎 Cannot login - 👎 eSIM not working - 👎 No coverage - 👎 Expensive - 👎 Misleading information - 👎 Scam - 👎 Fake unlimited data - 👎 App not loading - 👎 Server down - 👎 Registration errors - 👎 Cannot receive OTP - 👎 Payment issues - 👎 Rude customer service **Commonly reported bugs** - App crashes - Cannot login to the app - App not loading or functioning - eSIM activation issues - No coverage in certain locations - OTP not received - Registration errors - Payment unsuccessful but money deducted - SMS service unavailable **Most requested features** - Improve customer service response time - Fix app loading issues - Ensure OTP delivery - Clarify data plan details (e.g., 24-hour period) - Improve app stability ## Newest reviews (10 of 50) ### 3/5 — Not reliable *2025-09-23, version 1.3.5* I used this eSIM before in Bali and it worked perfectly, no issues at all. Thought it would be the same in Hanoi, but nope—no coverage the whole time. Tried contacting customer service and got nothing back. Totally wasted my money this round. ### 4/5 — CUSTOMER SERVICE NOT AVAILABLE *2025-09-13, version 1.3.5* scam ### 3/5 — customer service already reply and teach how to collect *2025-09-08, version 1.3.4* after payment didn't received the qr code and customer service also didnt reply 客服没回复 没有收到二维码 更新 客服回复了 customer service already reply message ### 1/5 — Fake unlimited data *2025-08-19, version 1.3.2* FAKE UNLIMITED DATA , U WILL LOSE CONNECTION IF YOU USE AROUND 5GB PER DAY ### 1/5 — Why I can’t go in *2025-08-11, version 1.3.2* Why I cannot go in this app meanwhile I have bought the esim. WHY DOES THE DEVELOPER SO SLOPPY WHEN DESIGN THIS APP???? ### 1/5 — Bad bad bad *2025-08-07, version 1.3.2* 一点都不好用，问题多多 ### 5/5 — 5 Star Service *2025-07-24, version 1.3.2* Great Service and Responsible ### 5/5 — Line stable customer service respon and settle fast 👍 *2025-06-24, version 1.2.8* At Xinjiang China also can use ，use it to do live also very stable easy to use no need change simcard ### 5/5 — Fast response *2025-06-15, version 1.2.6* CS lily had help me a lot when I have problem for my eSIM when I travel overseas ! She response on time and solve it well ! ### 1/5 — Misleading app and rude customer service *2025-06-07, version 1.2.6* On the app it doenst stated that 1 days does not equal to 24 hours.. and the customer service keep saying i didnt read the product description on tiktok/shopee/lazada.. cibai i bought the plan on the app.. not from 3rd Party online shop.. ## Most critical reviews (10 lowest-rated) ### 1/5 — irresponsible customer service and useless app *2025-10-31, version 1.3.7* The package I bought have problem , can’t activate at all , texted the seller many times but unresponsive, at the end the customer service just ignore my message when I asked for refund , please don’t use this app ### 1/5 — So expensive *2025-10-12, version 1.3.6* RM100 gift voucher is a scam strategy, not a single voucher but multiple small amount vouchers with minimum amount of spending, avoid ### 1/5 — Can’t login to the app *2025-09-27, version 1.3.6* Can’t login to the app ### 1/5 — 客服也不回复 *2025-09-18, version 1.3.5* 购买了流量也不能用，客服也不回复，差评！不推荐！一颗星都不想给！ ### 1/5 — Not functioning *2025-09-12, version 1.3.4* This is the first time I download the app and it only lands at the picture, not even the home page! I can’t click anything at all! This is ridiculous and I reached out to support team nobody is entertaining. This is extra frustrating as I’m the reason I buy eSIM is I will receive it almost immediately. Please fix the app as it is not loading at all. ### 1/5 — The WhatsApp customer service totally no reply *2025-09-11, version 1.3.4* Texted the customer service since 5/9/25 until today still no reply ### 1/5 — Terrible *2025-09-10, version 1.3.4* One of the most rubbish app. Useless. ### 1/5 — Scam!! Be aware *2025-09-08, version 1.3.4* I purchased an unlimited data plan but received no data at all. I tried contacting customer support multiple times, but there was no response. Very disappointing and frustrating experience. ### 1/5 — NonFunctioning App *2025-08-31, version 1.3.3* Always server down and unable to activate ### 1/5 — fraud! do NOT use. *2025-08-27, version 1.3.3* i get ready app and bought plan few days before arrive Japan. when in Japan, app itself no responding, and connection unable to work. call and text customer service, but no response as well. ## Most praised reviews (10 highest-rated) ### 5/5 — Used in Japan with no problems! *2026-06-02* Saw some bad review, but decided to give it a try. I only need it for 7 days, figures $10 lost is not gonna kill me. And I can always get something else if this on not working. Turn out I have nothing to worry about, activated before the trip. Turn my T-Mobile whim off. This card tools over. Unlimited data, never have to worry about getting throttled. A lot of time works better than other free WiFi at locations. Thanks **Developer response:** Thank you for sharing your experience! 😊 We’re really glad to hear that the service worked well for you and helped make your trip smooth and hassle-free. Your feedback and trust mean a lot to us. We’ll continue working hard to maintain reliable service and support for all our users. Thank you for choosing Xummer eSIM! ### 5/5 — EASY *2025-10-12, version 1.3.6* Omg this helps me when to travel! Only install 1 times so hard put redeem code. After that if i want to travel i can just purchase inside~ ### 5/5 — GOOD *2025-09-18, version 1.3.5* Good easy to use nice ### 5/5 — grad app *2025-09-08, version 1.3.4* easy to use ### 5/5 — eSIM *2025-08-07, version 1.3.2* I’ve purchased multiple eSIMs for different countries from this supplier, and they’ve been consistently outstanding. Their customer support is incredibly helpful — always ready to assist whenever I encounter any issues. On one occasion, I couldn’t activate an eSIM, and they refunded me within 24 hours with no hassle at all. Truly reliable, hassle-free, and supportive every step of the way. Highly recommended! ### 5/5 — Esim *2025-08-01, version 1.3.2* Easy to use, seller gave a clear instructions and fast response too. Thanks! ### 5/5 — Fantastic! *2025-07-27, version 1.3.2* Super promt reply and easy to install ### 5/5 — Esim Travel *2025-07-25, version 1.3.2* The best and easy to use.just follow the instruction and enjoy the holiday with good line connection with Xummer eSim ### 5/5 — Unexpectedly Very Good Service *2025-07-25, version 1.3.2* At first i thought the esim is unusable. Almost give up but the seller guide one by one and it can be use instantly. Happy and satisfied. Thank you!! 🤩 ### 5/5 — esim *2025-07-25, version 1.3.2* good service and good system --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-14.*