OK: Social Network

by VKL

4.2 2.8M+ reviews
282M+ Installs
03/20/2012 Released
OK: Social Network icon
OK: Social Network icon
Social

OK: Social Network

by VKL

4.2 2.8M+ reviews
282M+ Installs
03/20/2012 Released
OK: Social Network screenshot 1
OK: Social Network screenshot 2
OK: Social Network screenshot 3
OK: Social Network screenshot 4
OK: Social Network screenshot 5
OK: Social Network screenshot 6

Ratings Breakdown

4.2 ★★★★★ 2.8M+ ratings
5 75%
4 4%
3 4%
2 3%
1 14%

Data from Google Play at the time of writing.

What OK: Social Network Actually Offers

OK (Odnoklassniki) is a Russian-origin social network built for connecting with friends and family through video calls, livestreams, groups, and shared media. It bundles in music streaming, video watching, mini apps like weather and horoscopes, and even business profiles with advertising tools. With hundreds of millions of installs, it functions as an all-in-one hub rather than a single-purpose app, aiming at users who want messaging, entertainment, and community groups without switching between multiple platforms.

The hobby and group features stand out on paper, covering everything from cooking to cars to fishing, with a search bar meant to surface niche communities. For users already embedded in the OK ecosystem, particularly those with connections in Russian-speaking countries, this breadth of features is the main draw.

Where the App Genuinely Delivers

One user praised OK for helping them ‘connect to international friends and share things of mutual interests,’ which lines up with the app’s stated purpose. The free audio and video calls supporting up to 100 participants are a genuinely useful feature for group chats, family catchups, or community gatherings, and when things work, the social and entertainment layers (music, video, groups) give users plenty to do in one place.

Video Playback Problems That Keep Resurfacing

The most consistent and damaging complaints center on video. Multiple reviewers describe videos that simply won’t play, endless buffering, and repeated ‘server issue’ or ‘try again’ error messages. One user said a recent update broke video watching entirely, with fixes working only temporarily before the problem returned. Another noted that even downloaded videos still require an internet connection and still buffer, defeating the purpose of downloading. This isn’t a one-off glitch — it appears across different reviews and device setups, including a UK-based Samsung user who tried uninstalling and reinstalling with no success.

Account Creation and Login Frustrations

Getting into the app can be its own battle. Reviewers report accounts getting created only to be immediately kicked and blocked, verification codes never arriving despite multiple attempts, and password-related errors popping up even for users who signed in via Gmail and never set a password. One user trying to delete their account got stuck because the app demanded a password that was never created in the first place. These aren’t minor annoyances — they can block new users from ever getting into the app at all.

Call Handling Still Needs Work

Beyond video streaming, group calling has its own rough edges. One reviewer pointed out there’s no way to decline an incoming call, and that the incoming call screen doesn’t show up if the app isn’t actively open at that moment — a basic usability gap for an app that markets calling as a core feature.

Who Should Actually Download This

OK makes sense for people who already have friends or family using it, especially in regions where it’s culturally established, and who mainly want group calling and community groups. But given the recurring video playback failures, login and account-creation headaches, and clunky call notifications, anyone expecting smooth, modern social-app polish should go in with tempered expectations and be ready to troubleshoot.

Pros

  • Free group video calls up to 100 people
  • Wide range of hobby-based communities
  • Built-in music and video streaming
  • Connects users across international communities
  • All-in-one hub for chat and entertainment

Cons

  • Frequent video buffering and playback errors
  • Difficult account creation and verification process
  • No option to decline incoming calls

What Real Users Say

Adele Sewell 2/5

“have enjoyed this app for a while. Since the I last updated the app I can no longer watch any videos. Have tried all the suggestions but nothing works. There are a lot of other people commenting that it's the same problem for them. Please fix the issue. Worked for a week then stopped working again. can't watch any videos…”

👍 24 found this helpfulDeveloper responded
SRIPARNA PAHARI 1/5

“can't watch anything property. The videos keep buffering so much that any one would lost the mood to watch any video. even if u download videos it does requir internet connection to play them and thet too buffers. keeps saying ''server issue.'' ''try again'' plz do something about it .”

👍 17 found this helpfulDeveloper responded
Collins Tochi 1/5

“it doesn't work. I can't create an account and if by luck I do I get kicked and blocked immediately. Even after you put your number they won't send you any code, I tried more than 5 times. Fix your app.”

👍 12 found this helpfulDeveloper responded

Reviews sourced from Google Play, selected by helpfulness at the time of writing.

App Info & Permissions

Developer VKL
Content rating Teen
Contains ads Yes
In-app purchases $0.49 - $17.99 per item
Installs 282M+
Released 03/20/2012
Price Free

Permissions this app requests

📅 Calendar Read calendar events plus confidential information; add or modify calendar events and send email to guests without owners' knowledge
📷 Camera Take pictures and videos
👥 Contacts Find accounts on the device; read your contacts; modify your contacts
🕘 Device & app history Retrieve running apps
📱 Device ID & call information Read phone status and identity
🪪 Identity Find accounts on the device; add or remove accounts; read your own contact card; modify your own contact card
📍 Location Approximate location (network-based); precise location (GPS and network-based)
🎙️ Microphone Record audio
📞 Phone Directly call phone numbers; read call log; read phone status and identity
🖼️ Photos/Media/Files Read the contents of your USB storage; modify or delete the contents of your USB storage
💾 Storage Read the contents of your USB storage; modify or delete the contents of your USB storage
📶 Wi-Fi connection information View Wi-Fi connections

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Frequently Asked Questions

1

What is OK: Social Network?

OK, short for Odnoklassniki, is a social networking app offering group video and audio calls, livestreaming, groups based on hobbies, music and video streaming, and mini apps like weather and horoscopes. It's designed as an all-in-one platform for connecting with friends, family, and communities. It's especially popular among users with ties to Russian-speaking countries.

2

Is OK: Social Network free to use?

Yes, the core app is free to download and use, including group calls, messaging, and browsing groups. Some extras like music subscriptions and business advertising tools may involve additional costs. Basic social features like posting moments and joining groups don't require payment.

3

Why does video keep buffering on OK?

Multiple users report persistent buffering, black screens, and 'server issue' errors when trying to watch videos, with the problem sometimes appearing after app updates. Even downloaded videos have been reported to still require internet access and buffer anyway. Reinstalling or rolling back versions hasn't reliably fixed this for affected users.

4

Is it hard to create an account on OK?

Some users report real difficulty, including verification codes never arriving, accounts getting blocked immediately after creation, and password errors even when signing in through Gmail. This has made onboarding frustrating or impossible for a portion of new users. If you hit these issues, contacting OK's support team directly may be necessary.

5

Can you decline an incoming call on OK?

According to user feedback, there's currently no straightforward option to decline an incoming call within the app. Additionally, the incoming call screen may not display properly if the app isn't actively open at the time. This makes call handling feel less polished compared to other messaging and social apps.