Comparison

O2 aplikácia vs Cellcard

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

O2 aplikácia

Manage your mobile plan, monitor usage, pay bills, and get exclusive benefits. Easily add new services, contact support via chat, and even get new SIM cards for your family.

Highlights
  • Monitor data and call usage
  • Pay bills and top up credit
  • Manage O2 Spolu groups
  • Get exclusive weekly surprises
  • Contact support via chat
  • Purchase new SIM cards
Features
Read full description

Vďaka O2 Aplikácii máte svoju spotrebu vždy pod kontrolou, vybavíte si nový paušál či SIM kartu, založíte si skupinu O2 Spolu plnú výhod, uhradíte faktúry alebo získate milé prekvapenia. Byť v skupine O2 Spolu sa oplatí. Čím viac programov v skupine si spojíte, tým viac benefitov si spoločne môžete užívať. Môžete získať finančnú odmenu až 10 € mesačne, dáta navyše pre všetkých členov po prečerpaní predplatených dát alebo aj dáta navyše aj mimo EÚ. A O2 Prekvapenia majú všetci členovia výhodnejšie. S novou službou O2 Connect môžete zdieľať dáta, volania a SMS/MMS z vášho paušálu aj s ďalšími smart zariadeniami, napríklad tabletom či smart hodinkami. A ak potrebujete vyriešiť niečo zložitejšie, jednoducho sa spojíte s našou podporou cez chat priamo v aplikácií. Čo vybavíte v aplikácií? - kontrolujete svoju aktuálnu spotrebu - vyberiete si, ako chcete dostávať oznamy – SMS alebo push notifikácie - vytvoríte a spravujete skupinu O2 Spolu - aktivujete, deaktivujete alebo upravíte balíky a služby - aktivujete službu O2 Connect a spravujete svoje zariadenia - uhradíte faktúry alebo dobijete kredit (kartou alebo cez Google Pay) - bezplatne kontaktujete našu podporu cez chat - vybavíte svojim deťom SIM kartu O2 Junior a máte ich používanie pod kontrolou - aktivujete O2 Cestovné poistenie - tešíte sa z Prekvapení každý týždeň O2 Paušál so SIM odteraz kúpite digitálne cez aplikáciu bez toho, aby ste museli niekam chodiť. Vybavte si ho odteraz pár klikmi, hoci aj v autobuse. S detskou SIM kartou O2 Junior máte bezpečnosť svojich detí na internete pod kontrolou. Pridajte ju do O2 Spolu a využívajte spoločné benefity naplno. Ste s aplikáciou spokojní? Veľmi nás poteší, ak pridáte vaše hodnotenie 5 hviezdičiek. Ak niečo nefunguje alebo sa vám niečo nepáči, napíšte nám na kontakt@o2.sk.

About

Cellcard

Manage your mobile account, browse and subscribe to plans, and top-up your balance with ease. Discover exclusive deals and promotions. This app offers a streamlined and intuitive way to handle all your mobile service needs.

Highlights
  • Account management
  • Easy plan subscriptions
  • Scan-to-top-up
  • Online top-up with multiple payment options
  • Scheduled top-ups
  • Exclusive deals and promotions
Features
Read full description

Welcome to the latest version of the Cellcard App. More streamlined, more intuitive, and with even more features to enhance your Cellcard experience. • Manage your account Staying on top of your account is a lot easier with the way we display your subscriptions and balances. It’s so simple to update your profile, track your data usage, subscribe to plans, and explore new services to match your lifestyle. • Easy subscriptions Browse our extensive list of plans, add-ons and value offers to meet your every lifestyle need, whether its music, tv or gaming. See anything you like? Subscribe to it with a press of a button. Simple as that. No need to memorise subscription codes. • Top-Up anytime Topping up just became easier. No more long strings to type. Using a Top-Up card? Scratch it, scan it, and it’s done! You can also Top-Up online. Simply link your payment account. We’re partnered with ABA Pay, Wing, Acleda, Alipay, WeChat Pay, Visa, Mastercard and UnionPay. You can also try Scheduled Top-Up for maximum convenience. Create your personal Top-Up calendar, set your amount and we’ll automate your Top-Ups so you’re never out of balance. • Get the best deals Never miss out on all our latest promotions and giveaways. Find them all on one page. Pick and choose the right ones for you and be first to claim. • More coming soon There’s more exciting features that will be unlocked soon. Watch out for the next update!

Screenshots

O2 aplikácia4 screens
Cellcard4 screens

Verdict

The call

The clearest difference is ads: O2 aplikácia at none against Cellcard's shown. Cellcard's advantage is ratings volume (3.3K vs 189) and device support (3 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for O2 aplikácia against 4.6 for Cellcard. That said, the two scores are not equally well evidenced: Cellcard has 3.3K ratings behind it against 189, so its average is the more settled of the two. Written reviews are what separate them: 23% of O2 aplikácia's written reviews are positive against 19% of Cellcard's.

UpkeepUpdate frequency

O2 aplikácia ships an update every 2 weeks, Cellcard weekly. Both last shipped on November 1, 2026.

Scorecard3 real differences · 7 level
O2 aplikácia versus Cellcard: the parameters behind the verdict, then further details
ParameterO2 aplikáciaCellcard
PriceFreeFree
Rating4.5 (189 ratings)4.6 (3.3K ratings) — better
Positive reviews22.7% of reviews — better18.7% of reviews
Number of ratings1893.3K — better
Update frequencyEvery 2 weeksWeekly — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.5.0 — better
Further details — not scored
Size261 MB100 MB
Age rating4+4+
DeveloperO2 Slovakia, s.r.o.CAMGSM PLC.

Customer experience

O2 aplikácia

All ratings189 ratings
Positive85.2%
Neutral6.3%
Negative8.5%
Written reviews22 reviews
Positive22.7%
Neutral13.6%
Negative63.6%

Cellcard

All ratings3,316 ratings
Positive88.8%
Neutral4.5%
Negative6.7%
Written reviews91 reviews
Positive18.7%
Neutral5.5%
Negative75.8%

Bugs and requests

O2 aplikácia

Not enough reviews yet to summarise bugs or requests.

Cellcard

Reported bugs

3 issues
  • App crashes on launch
  • Login verification code not working
  • Unable to change rate plans after top-up

Requested features

3 requests
  • Add passcode/biometric login option
  • Improve international dialing instructions
  • Provide usage history and expense details

In-app purchases

None

O2 aplikácia

No in-app purchases

None

Cellcard

No in-app purchases

Questions

Is O2 aplikácia free?
O2 aplikácia is free to download, with no in-app purchases.
Is Cellcard free?
Cellcard is free to download, with no in-app purchases.
Which has better reviews, O2 aplikácia or Cellcard?
Cellcard is rated higher. O2 aplikácia averages 4.5 out of 5 from 189 ratings, while Cellcard averages 4.6 from 3.3K ratings.
Do O2 aplikácia or Cellcard have ads?
Cellcard shows ads; O2 aplikácia does not.
Which is updated more often, O2 aplikácia or Cellcard?
O2 aplikácia ships an update every 2 weeks, and Cellcard weekly. Most recently, O2 aplikácia was updated on November 1, 2026 and Cellcard on November 1, 2026.

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