Use oktkapp's voucher system to earn extra bonus on top of your deposits. There are separate codes and offers available for both new and existing members.
Voucher codes currently active on oktkapp
Redeem your code in just a few simple steps
If you don't have an account yet, register first. You can also use a voucher code during registration.
Click the "Deposit" option in your account and choose your preferred payment method.
Type or paste the code in the "Voucher Code" or "Promo Code" field on the deposit form.
Once your code is verified successfully, the bonus details will appear on screen and you'll receive a confirmation message.
Deposit the required amount and the bonus will be credited to your bonus balance automatically.
General terms applicable to all vouchers
Each voucher code can only be used once per account. Attempting to use the same code across multiple accounts may result in those accounts being suspended.
Each code has a set expiry date — once it expires, the code will no longer work. Use your preferred code as soon as possible.
A wagering requirement must be met before withdrawing your bonus. For example, a ৳1,000 bonus with a 5x wagering requirement means you need to place ৳5,000 in bets before the bonus can be withdrawn.
Only one voucher code can be applied per deposit. However, a different valid code may be used on your next deposit.
Why oktkapp's voucher offers are better than other platforms
Your bonus is credited instantly once the code is applied. No waiting, no manual processing required.
Support is available in Bengali for any voucher-related issues. No language barriers.
You can enter the voucher code directly when making a deposit via bKash or Nagad. No extra steps required.
Oktkapp releases new voucher codes every week. Check regularly so you never miss out.
Every voucher's terms are written in plain language. No hidden rules, no sudden changes.
Most vouchers can be used across Sports Betting, Live Casino, slots, and all other game types.
Find the Right Code for You — at a Glance
| Code | Type | Bonus | Minimum deposit | Wagering | Validity | Status |
|---|---|---|---|---|---|---|
| OTKWELCOME | Welcome | 100% (up to ৳5,000) | ৳500 | 5x | 30 days | Active |
| FREBET50 | Free Bet | ৳50 Free Bet | Not applicable | 1x | 7 days | Limited |
| VIPEXTRA | Cashback | 20% (up to ৳10,000) | ৳2,000 | No conditions | Weekly | Active |
| WEEKLY25 | Reload | 25% (up to ৳2,500) | ৳1,000 | 3x | 7 days | Active |
| REFER200 | Referral | ৳200 per referral | Friend's 1st Deposit | 2x | No expiry | Active |
| CRICKET50 | Sports | 50% (up to ৳3,000) | ৳200 | 4x | Season Ended | Limited |
The number of online gaming platforms in Bangladesh is growing, but not all of them offer the same benefits. oktkapp The voucher system is designed to give members a genuine edge — one that actually makes a difference. Listing a bonus is one thing; making it easy to redeem is another. That's exactly where the oktkapp voucher program stands apart from the rest.
Whether you're in Dhaka, Chittagong, or Sylhet, entering a voucher code when depositing via bKash or Nagad on mobile has never been easier. The whole process takes under two minutes. Once you enter the code, the system automatically calculates the bonus and adds it to your account.
For new members OTKWELCOME The code makes all the difference. A 100% bonus on your first deposit means if you deposit ৳1,000, you start playing with ৳2,000. It's a great opportunity to find your footing, try different games, and get a feel for your strategy.
Many players regret not using this code on their first try — and for good reason. The welcome bonus is only available on your first deposit; once that's gone, so is the opportunity. So make sure you apply the code at registration or when making your first deposit.
For Regular oktkapp Players WEEKLY25 A great offer. Using this code once a week can earn you a 25% bonus every time — and it adds up significantly over the year. Use it four times a month and you'll have a solid amount of extra playtime just from reload bonuses alone.
Another great thing about the Reload Bonus is the low 3x wagering requirement — you only need to wager three times the bonus amount before it becomes withdrawable. That's far lower than most other platforms, which often require 10x or more.
In Bangladesh, cricket is more than a sport — it's a passion. oktkapp A cricket special voucher — crafted in honor of that passion CRICKET50 Created for cricket fans. Get a 50% bonus using this code on any international cricket match — Bangladesh national team fixtures, IPL, BPL, and more.
This code sees the highest usage during the cricket season. Grab it as soon as the season kicks off and use it before a big match. Keep in mind, the code is valid through the end of the season — though availability may be limited.
The oktkapp referral voucher program works a little differently. REFER200 Share your code with a friend. When they make their first deposit, you'll receive a ৳200 bonus — and your friend gets a welcome bonus too. This can be repeated as many times as you like — the more friends you refer, the more bonuses you earn.
Many people are using this referral system as a small but steady source of income. By sharing with friends or on social media, you can collect a decent amount in bonuses every month.
Many members miss out on voucher benefits due to common mistakes. The most frequent one is trying to enter the code after completing a deposit — this won't work. The code must be applied during the deposit process.
Another common mistake is entering codes in lowercase — all codes must be entered in uppercase. Also, avoid trying to use expired codes as it only wastes your time. Finally, attempting to withdraw a bonus before meeting the wagering requirements may result in the bonus being forfeited.
oktkapp Every effort is made to ensure members can easily claim the bonuses they deserve. If you run into any issues, reach out to customer support — they're available to help in Bengali.
Everything You Need to Know About Vouchers
Register with oktkapp and on your very first deposit OTKWELCOME Use the code to claim a 100% bonus. Spots are limited — don't wait, get started now.