This app does not work as advertised. It's not always automatic, and it won't switch back and forth to wifi as it should. Customer service is good, but the process is too depending on it. Do something else. Not SIM sticker. Trust.

You guys need to read the device admin API docs. Edit: or add instructions instead lol

KnowRoaming doesn't work on dual sim phones....No such info on their website only got told so my a very rude tech support and yes after I'd purchased the sim!!!!!

Gets the job done, with lots of issues and glitches.

Incredible product.

excellent! promo code GERTO84 for 50% off and $5 credit and free shipping!

Best roaming app in the world. We need more of these

It'd be perfect if only 4G was available!!

App works as expected KATLA27 is a code for 30% off purchase + free $5 data/voice Credits

Read if u must be contactable Once Knowroaming SIM is active, you can no longer receive calls on your original number. When u return home knowroaming sim is disabled and your original sim becomes active again. The optional Reachme service forwards calls to your Knowroaming number, but sometimes fails to deactivate when back home, forwarding your calls to the now deactivated knowroaming sim without you knowing. If you need to be contactable, buy the standalone sim and use a dual sim phone. Good roaming rates and coverage otherwise.

Epic Fail Switching on Knowroaming is a constant parade of mail to their support team, fiddling with sim settings and data network settings. Nothing easy simple or often successful. Tried it on 4 trips to Canada and never really worked. This trip it is txt that will not work. Support said that the network team is looking at the issue and after 7 days no news End of the day not a viable product

Works great for world traveler I've used this is Australia, Germany, India, South Korea, Hong Kong and England. Always works for me and now free WhatsApp access through KnowRoaming!

Good service, frustrating billing The service itself works well. Data is reasonably fast & reliable in Europe. The way they charge you feels a bit scammy: you can only load your account in $25 increments. So if you want a week of unlimited data (7 days x $7.99) you don't pay $55.93. Rather you load $75 onto your account, of which only 55.93 would be used. So the actual cost can be much higher than advertised if you're not careful. Otherwise, decent service!

Happy traveler This app and service is a must have for frequent travelers. So far used it in many different countries quite happily. Also their customer support is exceptional. They respond fast with clear information and follow up regularly. Their support should definitely be a good reason to use their service.

Excellent service, I have used it in Austria, Germany, Switzerland, Italy, Slovenia, Hungary, Norway, France, Netherlands, US and Brasil without any problem, the connection its very reliable and the prices for unlimited packages it's better than every other company.

Best and must app First I couldn't turn it on. But then their support team really supported me.Once it started, I didn't need to worry to change sim cards or find a hotspots. I bought a week unlimited data plan which works so great.My job requires me to travel abroad a lot. Now I don't need to worry about my phone.I love knowroaming app and its small device.

Slow Internet but beats roaming charges.

Scam You are supposed to get $10 credit but nothing and can't even uninstall this stupid app

Not for business travelers Only the telephone part kind of works but then it's impossible to have your normal number working once it's lock on roaming. For me, it didn't work in following countries: USA, Philippines, China, Cyprus, Dubai, and Jordan. The only place it worked was in Brazil at 28 US$ for 54 MB data. I had to removed the know roaming sticker from my Sim card while in Mexico cause it wouldn't let me revert back to my normal Sim card number and I needed to get an important call,even if I completely disabled the function

Works well, but no Pokemon Go This is a convenient way to maintain service when traveling between multiple countries without having to juggle multiple SIM cards. However, for technical reasons relating to Niantic's anti-cheating measures, Pokemon Go currently doesn't work with it.

Does not work. Listen, I gave these guys a try twice over a couple years. The first time wasn't smooth so they offered a new promo saying things were better. Went to the USA and it was complete garbage. SO many steps messing with settings etc. You have to be a computer scientist to remember it all.....AND I couldn't get it to work multiple tries. I'm not computer illiterate either. Don't bother, just pay the roaming fees, they aren't that much anymore.

Great service - great savings! Attaching the sticker was a little tricky, but once done there is no more swapping SIM's or finding local providers when travelling! Their support is great too. Particularly good for organizations where techies can attach the sticker for users who can then just run the app to invoke the service when travelling.

Dont waste your time Inconsistent connections and mixed messages. Trust me I have had very little luck with this app. Its not worth the time tinkering with it constantly . This morning I had $10.00 left on my plan so I purchased a $ 7.99 UNLIMITED data plan for the US.....I used it for about 1.5 hours and reveived a message to top up my account. Really? Rip off peeled off the sticker so done with it.One more thing for CDN customers the packages are in US dollars...not such a great deal. I know one thing its a rip off.

OK when works I travel to the USA frequently. On the last few trips I have had NO MMS or SMS services for at least the 1st day. In the past support was helpful. This trip, not so much. I have had to return to my primary carrier yet again. Might as well stay there. Prevented me from making local calls while roaming on all carriers, a bussiness nightmare. Allthe savings have been eaten by calls to tech support :(

Good overall Worked well in several countries with occasional issues. SMS a big mess though as support was stopped half way which gave me lots of headaches. Servive support very timely and usually helpful

Home Please! Seems to work ok in various countries if you just want to check email & use Whatsapp and make the odd call.Definitely not suitable for high useage or important timely business.I have trouble with it on returning to Home country..sometime takes an hour & 6or 7 restarts of my phone to get it out of Abroad mode back to Home sim..very frustrating. Have definitely saved $ on roaming but given unreliable return to home sim I am considering pulling the sticker after my credit runs out.Needs to be much more stable.

Great Company! Great customer service! Been looking for something like this for a while now. They've gone above and beyond helping get my service up and running. Highly recommended if you travel internationally!

Genius idea, but tricky It's an awesome tool when it works. It's a bit tricky to figure out and get working, but once it works it's awesome!

If you want to use your phone when travelling, you need this Great investment, I've been able to use this on multiple trips, over three continents, and the rates and data speeds just keep getting better.

Great App and amazing service!

Cannot uninstall the app!

Love it.

Fantastic app. This is the best app I have used while travelling out of the country. I have used this in 3 countries now and it connects quickly to networks for both voice and data, is easy to use, and greatly reduces the cost of voice calls and data. I have used SIM cards from two competing companies and found the KnowRoaming sticker to be much better. I have used KnowRoaming on both a Moto G phone and a Moto X phone and not noticed any deterioration in performance.

Significant slow down of phone I like the concept and the service. But while the app is running in my home network I see a huge drop in performance on my Samsung galaxy note 3. And SMS-send functionality also stop working until I force the app to close.

Good Value of Money Works very well for quite a number of cities. But not all of them though...

I hate it! More hidden fees! Right off the start i got screwed for assuming I'd be at least able to pick the area code for my USA number. Now it looks like I have to turn off this app most of the time when travelling so that friends and relatives won't get charged long distance charges. When I called they asked me to email the info group and when I did, I was asked to pay a monthly fee just to pick an area code. Talk about 'no hidden fees!' I don't plan on using this service much anymore. Too bad, it looked like a nice concept!

Does Not Work as advertised Stay away from this POS app, they promised service at good rates, and if it worked it would be great. But the fact is its a total scam. When I got to my destination city the carrier they were using, wouldn't work, so they told me to use another carrier, more than double the rate. It is a totally glitchy useless service. Yes I spend more using my home sim, but at least it works. Stay away, total waste of time and money

Best innovation for mobility Cheapest roaming ever!

Great service, great app! Cheap international calls, easy to use, better than Skype.

Amazing app It is great reliable and saved me tones of money in roaming