I was using oister many years but now disappointed they charging so much money, I didnt even get a notice that they are going to charge much, or raised their abonement just like that take the money au... See more
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I must apologize to Oister for my previous posts. The service is really excellent, and my mistake was that I abandoned the 5G router and used a regular one, designed only for 4G. Yes, I switched to an... See more
Company replied
Oister has been great, quick and easy to switch to their service via digital sim card, it can be done in an instant, which is great if you have someone stalking your phone.
Company replied
Affordable, practical and it just works, even in long term trips in the EU outside DK, my OiSTER account holds strong, great coverage all over. I've been a customer since November 2019. I once switche... See more
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Company details
About OiSTER
Written by the company
OiSTER er et lavprisselskab med fokus på mobiltelefoni og mobilt bredbånd. Grundlaget for OiSTER har altid været at gøre det nemt og billigt for OiSTERs kunder. Det forsøger vi konstant at leve op til, hvorfor vi er stolte af vores slogan ’Bedst til prisen’.
Mobilt Bredbånd hos OiSTER:
OiSTERs mobile bredbånd er den bedste lavpris løsning på trådløst internet, som du kan tage med dig overalt i Danmark. Vi kalder det Danmarks nemmeste internet, fordi det er nemt og hurtigt at installere. Desuden benytter vi 3s prisvindende netværk.
Mobiltelefoni hos OiSTER:
OiSTER blev først kendt for at levere Danmarks bedste mobile bredbånd til prisen. Det er den samme tankegang, der danner grundlaget for mobiltelefoni hos OiSTER, nemlig at du får mobiltelefoni på landets bedste mobilnetværk - nemt, enkelt, overskueligt og ikke mindst til en konkurrencedygtig pris.
Grundidéen for OiSTER er, at dit mobilabonnement er gennemskueligt og uden binding. På oister.dk kan du nemt følge dit forbrug og eventuelt ændre dit mobilabonnement, hvis dine behov ændrer sig.
Mobilt Bredbånd hos OiSTER:
OiSTERs mobile bredbånd er den bedste lavpris løsning på trådløst internet, som du kan tage med dig overalt i Danmark. Vi kalder det Danmarks nemmeste internet, fordi det er nemt og hurtigt at installere. Desuden benytter vi 3s prisvindende netværk.
Mobiltelefoni hos OiSTER:
OiSTER blev først kendt for at levere Danmarks bedste mobile bredbånd til prisen. Det er den samme tankegang, der danner grundlaget for mobiltelefoni hos OiSTER, nemlig at du får mobiltelefoni på landets bedste mobilnetværk - nemt, enkelt, overskueligt og ikke mindst til en konkurrencedygtig pris.
Grundidéen for OiSTER er, at dit mobilabonnement er gennemskueligt og uden binding. På oister.dk kan du nemt følge dit forbrug og eventuelt ændre dit mobilabonnement, hvis dine behov ændrer sig.
OiSTER
Written by the company
Contact info
Fadet 4, 1799, København V, Denmark
- 70313070
- kundeservice@oister.dk
- www.oister.dk
4.1
Great
28K reviews
Asks customers to review
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Just got back to oister from CBB…
Just got back to oister from CBB because CBB was robbing me. They’re charging me 10 kr more as gybrer whatever it’s called. And we’re bad when I travel
April 18, 2024
Unprompted review
Reply from OiSTER
Dear Rikhard
Thank you for sharing your experience with us!
We're glad to hear that you're back with OiSTER and finding our services more to your satisfaction.
We strive to provide transparent pricing and reliable service, so it's great to know that you’re finding our offerings more suited to your needs.
Again thank you for your review.
I wish you a wonderful day.
Best regards
Emilie
Terrible experience
Takes many days to receive the sim card,
It arrived and plugged it in my phone but didn’t work out of the box
I couldn’t make calls or use internet.
I used an other phone to call them and had to wait for more than 30 minutes to get in touch with Customer support
Very bad start 😔
unfortunately behind this Cheap prices there is a bad service
August 22, 2024
Unprompted review
Reply from OiSTER
Dear Kais
Thank you for your review.
We are truly sorry to hear about your negative experience with us. This is definitely not how we want our customers to feel when using our services.
Delays with receiving the SIM card and issues with activation should not occur, and we fully understand your frustration with both the waiting time and the technical problems.
Again i'm very sorry to hear about your experience with us.
Best regards
Emilie
Well ..
Well ... It is not expensive but provided the same quality as others for a vit more money. On top of that ... If you call in Europe you will pay extra. That's just a stretch for me. My old provider was at least as good as them and i have had free calls in Europe.
August 21, 2024
Unprompted review
Reply from OiSTER
Dear Sorin
Thank you for your review.
We’re sorry to hear that you feel our service hasn’t met your expectations.
If you are in Denmark and call a foreign number, you will be charged for this.
However, if you are in an EU country and dial a number, you will not be charged for this.
I would love to take a closer look at the matter, so if you would like me to take a closer look, you are welcome to contact me at trustpilot@oister.dk. I will be happy to take a closer look.
Best regards
Emilie
I like it
I am just satisfied when it goes to comparison and I will suggest it to others. Everything is in high quality and fair price.
July 30, 2024
Unprompted review
Reply from OiSTER
Dear Arash,
Thank you for your positive feedback.
We're delighted to hear that you're satisfied with our services and find our quality and pricing fair. Your recommendation means a lot to us.
Thank you for choosing Oister.
Best regards,
Simone
I have Internet connection that is…
I have Internet connection that is deadly slow and streaming on laptop becomes difficult and time taking. Staff appointed should know reasons or atleast they should be technical enough to understand and figure out, rather than , ' sorry , we have no idea'
July 2, 2024
Unprompted review
Reply from OiSTER
Dear Assad
Thank you for your review.
I'm very sorry to hear that you're experiencing poor internet connection - it's obviously not optimal!
When it comes to coverage, there will be areas where we don't cover quite as wide. There can be various factors that affect this, such as terrain, a lower number of masts or the distance to the mast.
You are welcome to send an email to trustpilot@oister.dk if you want us to take a closer look at it.
Best regards
Emilie
Bad Service
I was patiently waiting for a week to get my new simcard, but there was no respond. I already paid for the simcard fee.
Calling to customer service without success, because they just cut off the line. Then when I could stand in unidentify queue, I was waiting for 35 minutes with no replying.
I decided to change to another telephone company, where they could solve the problem very quick.
And I got email from Oister that my number will stay with them until the end of the month. Thats not professional way to solve issue for customer. I cannot use my number. How can I stay to use the service that you offer.
I wont give any star for this service, and definitely not suggest it to anyone.
July 8, 2024
Unprompted review
Reply from OiSTER
Dear
Thank you for your review.
We sincerely apologize for the inconvenience you’ve faced with receiving your new SIM card and the difficulties in reaching our customer service.
We understand how frustrating it is to wait for a week without any update, and we're sorry for the lack of response when you tried to contact us. This is not the level of service we aim to provide, and we regret that it led you to switch to another provider.
Regarding your number staying with us until the end of the month, we apologize for the confusion and inconvenience this has caused. We understand that being unable to use your number is highly inconvenient. We are committed to resolving such issues promptly and professionally.
If you want to contact us regarding the issue, feel free to contact us at trustpilot@oister.dk.
Best regards
Emilie
For me it’s a little bit expensive.
June 19, 2024
Unprompted review
Reply from OiSTER
Dear customer,
Thank you for your review.
I'm sorry to hear that you think your subscription is a bit expensive.
I would really like to take a look at your actual consumption, and then we can see if we can find another subscription that suit you better and is cheaper.
You are therefore very welcome to write to us at trustpilot@oister.dk
We look forward to hearing from you.
Best greetings,
Simone
They are nice
They are nice. I would only like to see their website in English. It is a bit painful to navigate in Danish.
June 3, 2024
Unprompted review
Reply from OiSTER
Dear Shiny,
We are pleased that you have taken the time to review us and then with a full 5 stars!
We are also very pleased to hear that you find our service satisfactory.
We understand that navigating our website in Danish can be challenging if you are more comfortable with English. We appreciate your suggestion to have an English version of our website and will certainly consider this for future improvements.
I wish you a great day.
Best regards,
Lærke
Charged a lot for roaming
I went to Turkey, i kept the line online less than a minute. I got charged a lot. I asked for a refund or bonus credits. They refused me.
February 28, 2024
Unprompted review
Reply from OiSTER
Dear Yasin,
We are sorry to hear that you had a negative experience with our service during your trip to Turkey.
We understand your frustration regarding the charges for the short call, but the foreign prices a just super expensive.
I would like to investigate the matter further to see if there is anything we can do to improve your experience. Please contact me on the email trustpilot@oister.dk directly so we can gather all the necessary information and find a solution.
Best regards,
Lærke
OISTER IS A SCAM! Overcharging for nothing! Never using Oister again, wouldn’t recommend
I travelled to Turkey and as soon as i landed I got a message saying I’m using data outside of EU (even though I wasn’t using my phone but thought okay maybe something in background) and then turned it off. Then I get another email for 175kr, and another email for 375kr?! Saying I used data at 05:00 in the morning?! How can I use my data if it’s off like come on, and how you charge me and automatically take the money out. Completely ruined my vacation and my budget. You just lost a long time customer
May 10, 2024
Unprompted review
Reply from OiSTER
Dear Noah
I'm sorry to hear about the frustrating experience you had while traveling to Turkey. It's certainly not the experience we aim to provide our customers with, and we apologize for any inconvenience caused.
It's important to be aware of the prices for mobile usage outside of the EU, as the rates for this are extremely high. To avoid unintended costs, we always recommend deactivating data roaming before departure. We apologize for any delays in registering data usage, as this can lead to misunderstandings about the timing of usage. It's important to note that the mobile phone cannot use data if data roaming is deactivated.
To investigate the matter further and find a resolution, i have now contacted you on the given information.
Best regards
Lærke
Included mobile data can not be used in…
Included mobile data can not be used in Switzerland. Most of the companies include Norway and Switzerland
May 1, 2024
Unprompted review
Reply from OiSTER
Dear Raluca,
Thank you for your review.
At OiSTER, we cover all the countries included in the EU's roaming agreement. These countries are the EU countries, the EEA countries and the UK.
I have sent you an in-depth explanation regarding this, based on the information provided by you previously.
Best regards,
Julie
Shout-out til Oister support der…
Shout-out til Oister support der reagerede prompte og professionelt på min henvendelse
April 9, 2024
Unprompted review
Reply from OiSTER
Kære Søren
Tak for en super god anmeldelse, det sætter vi rigtig stor pris på hos OiSTER!
Vi sætter pris på din ros og er glade for at høre, at vores supportteam kunne hjælpe dig hurtigt og professionelt.
Vi sidder altid klar til at hjælpe, hvis der skulle være det mindste.
Jeg ønsker dig en god dag.
De bedste hilsner
Lærke
Avoid Oister Wifi
Happy with Oister as a provider for Mobile but the Oister Wifi is very disappointing. We live in Copenhagen and I can see the cell antenna out of the window where the 4G router is. Still, the highest speed I ever got was 80Mbps on a good day. On top of that, the connection resets multiple times per day, which makes working from home very unreliable.
I'm happy my 6 month binding period is over so I can go back to internet via cable.
December 1, 2023
Unprompted review
Reply from OiSTER
Dear Arne,
Thank you for your review.
I'm sorry to hear that you've experienced issues with your OiSTER Wifi. We strive for optimal functionality, but as it is a wireless network, we unfortunately cannot guarantee flawless performance. We appreciate your feedback and are committed to making improvements.
On a positive note, I'm pleased to hear that you are satisfied with your mobile subscription with OiSTER.
Best regards,
Aleksander
Affordable and it just works
Affordable, practical and it just works, even in long term trips in the EU outside DK, my OiSTER account holds strong, great coverage all over. I've been a customer since November 2019. I once switched to another company but came back to OiSTER.
November 30, 2022
Unprompted review
Reply from OiSTER
Dear Alfred
Thank you for a super good review, we really appreciate it at OiSTER!
We are pleased to hear that you are a satisfied OiSTER customer.
Our prices and the accompanying quality are some of the things that we are most proud to be able to offer our customers - so it makes us sincerely happy to hear that it is something you pay extra attention to!
We look forward to many more years with you.
The best greetings
Simone
A good provider
I must apologize to Oister for my previous posts. The service is really excellent, and my mistake was that I abandoned the 5G router and used a regular one, designed only for 4G. Yes, I switched to another provider, and when I received their 5G router and inserted an Oister SIM card into it, everything worked perfectly. I will now recommend Oister to everyone I know to at least somehow atone for my guilt for my previous posts.
November 7, 2023
Unprompted review
Reply from OiSTER
Dear Guinea
Thank you for a good review, we really appreciate it at OiSTER!
We are just happy to hear that you found out that your OiSTER simcard worked as it should.
Should you ever experience any problems, please contact us and we will do everything we can to help you.
Thank you very much for recommending us to others.
I wish you a very good day.
The best greetings
Lærke
Oister has provided me with stable and…
Oister has provided me with stable and reliable coverage for my needs. However, they are not the cheapest provider out there, and they require NemID to log in to the self-service portal, which is unnecessarily inconvenient. Overall, I am satisfied with Oister, but they could improve by offering a more competitive price and making it easier to log in to their self-service portal.
October 17, 2023
Unprompted review
Reply from OiSTER
Dear Niels,
Thank you for your review.
We are thrilled to hear that our coverage meets your needs.
We strive to do everything we can to keep our prices low and competitive.
We have introduced the MitID login method to enhance security for private customers. As an online company, we are continually developing digital initiatives, which require us to ensure that the rightful owners of OiSTER subscriptions are logging into Mit OiSTER. Additionally, we regularly introduce new features on our website that necessitate the use of NemID or MitID.
We appreciate your feedback as it helps us identify areas where potential improvements are needed.
I have contacted you using the provided information that we have previously requested from you, so that we can address your subscriptions.
I look forward to hearing from you.
Best regards,
Aleksander
Pretty good company
October 15, 2023
Unprompted review
Reply from OiSTER
Dear Valentin
Thank you for a super good review, we really appreciate it at OiSTER!
We are pleased to hear that you think OiSTER is a pretty good company.
I wish you a very good day.
The best greetings
Simone
Highly recommend
Easy transition from another company. Easy to switch over to roaming when i travelled.. it was super convenient. I highly recommend oister.
October 11, 2023
Unprompted review
Reply from OiSTER
Dear Betty
Thank you very much, for a super good review here on Trustpilot and with a full 5 stars, we are really happy with them!
I am glad to hear that you find it easy with OiSTER and have had an easy transition to us.
We greatly appreciate your recommendation.
I wish you a very good day.
The best greetings
Simone
Images
Improper antennas in some areas and low bandwidth and slow internet speed and internet outages, as well as not providing mobile phones in installments to regular customers and extreme strictness in providing mobile phones
September 20, 2023
Unprompted review
Reply from OiSTER
Dear Hadi,
Thank you for your review.
I'm really sorry to hear that you don't have good coverage where you are – that's certainly not ideal.
When it comes to coverage, there will be areas where we can't provide as wide a reach.
I have reached out to you using the contact information you previously provided so that we can find a solution to the low speed issue.
I look forward to hearing from you.
Best regards,
Aleksander
Oister is the BEST
Oister is the BEST
I have 2 Oister agreements and would never consider another Vendor. They always make it totally easy to deal with them and their online solutions are 100% the best in the business. From an internet user since 1992.
October 5, 2023
Unprompted review
Reply from OiSTER
Dear Joseph
Thank you very much, for a super good review here on Trustpilot and with a full 5 stars, we are really happy about that!
I am happy to hear that you find it easy with OiSTER, and we are pleased to hear that you are a satisfied OiSTER customer.
I wish you a very good day.
The best greetings
Simone
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