Koyn - Sell Bitcoin & Crypto

3.7
1.12K reviews
Content rating
Everyone
10K+
Downloads
Content rating
Everyone
Learn more
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this app

KOYN is Nigeria’s best crypto trading app, built to help you sell Bitcoin, USDT, Ethereum (ETH), Solana (SOL) and other cryptocurrencies for Naira at the best rates. With KOYN, you can move from crypto to cash in minutes—fast, secure, and stress-free.

Why KOYN Stands Out -

● Instant Conversions: Experience the swiftness of our platform as your Naira wallet gets funded almost immediately after just 3 network confirmations.
● User-Friendly Interface: Our app's design focuses on ease of use, making your crypto transactions effortless and straightforward.
● Top-Tier Security: At KOYN, we prioritize your security. Our platform employs advanced security protocols to ensure the safety of your transactions and personal data.
● Best Exchange Rates: We consistently offer the most competitive exchange rates in the market, ensuring you get the best value for your crypto.
● 24/7 Customer Support: Our dedicated support team is available around the clock. Whether you have a query or need assistance, we're here for you anytime, anywhere. Contact us at support@getkoyn.com.

How It Works:

1. Simple Account Setup: Joining KOYN is easy. Sign up with a few quick steps and be part of our growing community.
2. Sell Your Crypto: Choose 'Sell Crypto', select the cryptocurrency you want to sell, and use the provided address for the transaction.
3. Automatic Wallet Funding: After your crypto sale is confirmed by 3 network confirmations, your Naira wallet is automatically credited.
4. Withdraw At Your Convenience: Withdraw your funds to your local bank account whenever you desire, without any hassle.

Join the KOYN Community

● Experience the new era of crypto trading in Nigeria.
● Benefit from quick, secure transactions anytime.
● Enjoy the best rates and unmatched customer support.
● Stay connected with us on social media for updates, tips, and community stories. Follow us on Instagram or X @usekoyn

Download KOYN now and step into the future of crypto trading in Nigeria. Your journey towards easy and secure crypto conversions starts here!
Updated on
Jul 1, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
This app may collect these data types
Personal info and Financial info
Data is encrypted in transit
You can request that data be deleted

Ratings and reviews

3.7
1.12K reviews
walter anthonyokoro
June 15, 2026
I have been trying to withdraw funds to my bank account for almost a week now and it keeps getting reversed .contacted support and they have not been helpful by saying they don't have a timeline when the issue will be resolved meaning they are clueless. this app is fragile and support is clueless .I don't recommend it at all
24 people found this review helpful
Did you find this helpful?
Adedeji Olude
June 13, 2026
This app is mess, I couldn't add my bank account, it keeps saying bank account number not existing... Also customer support is extremely poor contact them several times with no reply.
Did you find this helpful?
Richard Jones
June 13, 2026
i have been using it since last year. it works better and faster. but since this month i can't withdraw my funds in it every time I tried they keep reversing it.
Did you find this helpful?

What’s new

Bug fixes & improvements
Content rating
Everyone
Learn more

App support

About the developer
KOYNOVA LABS LIMITED
hi@getkoyn.com
2, Ayinde Sanni Close, Off Ola Adeshega Street Ikeja 101233 Nigeria
+234 814 738 6400