Oister.dk Reviews: 18

Signal held on the bridge

Streaming a match crossing the Storebælt, I waited for the dreaded buffer. It didn’t come. I grinned at my lucky timing.

Easy switch from rival

I ported my number in two clicks and the SIM came the next day. Activation through the self-service page was straightforward and the usage dashboard is clean. The only learning curve was finding the roaming toggle, but the guide explained it quickly. Speeds have been consistent for streaming and tethering. Feels like a smart, no-fuss choice.

Good value mobile plan

SIM arrived fast, coverage solid in Copenhagen and on train rides. Felt reassured by simple app usage and clear data counters.

Roaming issue handled

Chat took a few hours, but the agent explained EU roaming fair use and refreshed my line. Data started working again properly.

It took several days to get the SIM card.

It took several days to get the SIM card. When it finally came and I put it in my phone, it didn't work right away. I couldn't make calls or use the internet. I had to use another phone to call them and waited over 30 minutes to reach customer support. Not a good start 😔 Sadly, the low prices come with poor service

It's decent. It doesn't include non-EU countries

It's decent. It doesn't include non-EU countries like Switzerland or Monaco, which is a letdown. My friend had a different SIM that covered all those places, so we had to rely on his internet while traveling. Also, even calls within the EU drain the balance in no time. I'm considering switching to a SIM that offers more country coverage for affordable internet outside the EU.

Good customer service

The company stays connected with customers, sending updates and promotions as needed. They're easy to reach by phone whenever necessary.

This company's service is very good.

This company's service is very good. My problem was I used the wrong router, not 5G, just 4G. Now with Oister's 5G router, all's well. I'll suggest Oister to others to make up for my past errors.

Pleased with Oister for Mobile but not happy with

Pleased with Oister for Mobile but not happy with Oister Wifi. We live in Copenhagen and can see the cell antenna out of the window where the 4G router is. Yet, highest speed ever was 80Mbps on a good day. Additionally, connection resets many times daily, making working from home very unreliable. Happy 6 month binding period over so can go back to cable internet.

The company is good

The company is good, you know? It's not too expensive, it's practical, and it just works. Even when I go on long trips in the EU outside of Denmark, my OiSTER account stays strong. The coverage is great everywhere. I've been with them since November 2019. I tried another company once, but I came back to OiSTER.

Freundlich und lösungsorientiert

Meine Portierung verzögerte sich, doch der Support rief zurück, erklärte Schritte verständlich und löste es am selben Tag. Sehr angenehm kommuniziert.

Stabil, aber app könnte polieren

Netzqualität macht mich zuversichtlich. Die App wirkt solide, nur manche Menüs sind versteckt. Nach ein paar Tagen Nutzung bin ich zufrieden.

Einfache bestellung, gute deckung

SIM online bestellt, kam nach zwei Tagen in Kopenhagen an. Aktivierung über Self-Service klappte auf Anhieb. Datenpaket fair, LTE stabil. Eine Frage zum EU-Roaming wurde im Chat nachvollziehbar beantwortet. Preis-Leistung passt, App ist übersichtlich.

Erster speedtest am hafen

Ich drückte auf Start, 5G ploppte auf. 120 Mbit, wow. Kurz gejubelt, dann innerlich genickt. Später im Zug etwas schwankend, aber noch ok.

Portierung freundlich begleitet

Sehr höflich, gute Erklärungen, Rückruf pünktlich. Nummerumzug klappte. Alles bestens.

Stabiles netz, gute preise

Fühlte mich direkt sicher, da Speed konstant ist. App macht Spaß, alles übersichtlich. Preislich echt fair.

Stabiles netz, kleine lücken

Netz im Alltag stabil, in Zügen teils schwächer. Fühle mich gut versorgt, weil Verbrauchsanzeige ehrlich ist. Preis-Leistung passt.

Portierung ohne stress

Nummernmitnahme klappte wie versprochen. Support bestätigte Termin per Chat, klare Schritte, keine Wartezeit. Frage komplett gelöst.