When it comes to tea culture in Singapore, KOI Thé is easily a household name. Their signature drinks, especially their chewy pearls and innovative flavours, have made them a popular stop for both casual tea drinkers and serious bubble tea enthusiasts alike. Now, KOI is giving fans even more reason to visit their stores this August with a rewarding promotion aimed squarely at their members.
Starting from 5 August 2025, KOI Thé Singapore is rolling out a delightful perk for their loyal customers — a FREE upsize voucher for the Red Bean Purple Rice Milk Tea. This unique drink, which beautifully blends traditional ingredients with creamy indulgence, is a cult favourite among those who enjoy a more textured and filling beverage. What’s more, this offer is available for redemption across most KOI Thé outlets in Singapore, giving members wide access to enjoy the treat.
But let’s get down to the big question — why should people head out and enjoy this deal? Let’s break it down.
Why This Promotion is Worth Your Time
1. A Thoughtful Freebie
Let’s be honest, who doesn’t like a free upsize? Especially when it’s for something as hearty and comforting as Red Bean Purple Rice Milk Tea. This isn’t your average bubble tea – the blend of red beans and purple rice offers a wholesome, slightly sweet, and chewy contrast to the creamy milk tea base. Upsizing it just means more of the good stuff, with no extra charge.
It’s a generous gesture by KOI Thé, particularly considering Singapore’s increasingly costly F&B scene. Every dollar counts, and this simple gesture from KOI allows members to enjoy more volume and value.
2. Member-Exclusive Perks Made Easy
Many loyalty programmes these days come with hidden barriers or tedious registration processes. Thankfully, KOI has kept things straightforward. Becoming a member is a simple, three-step process:
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Visit any KOI outlet (except Changi and Jewel Basement outlets) and purchase a KOI Card.
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Register the card via the “KOI Thé SG” app, which is available for download on both iOS and Android.
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Use the card for purchases and voucher redemptions, all through the app or by presenting the physical card.
Once signed up, members gain access not only to this Red Bean Purple Rice Milk Tea upsize, but also to a host of other exclusive perks throughout the year. KOI’s reward system incentivises loyal customers by giving them real, tangible returns — a refreshing departure from point systems that often expire or require extensive accumulation.
3. Redemption Across Most Locations
This promotion is available across all KOI Thé Singapore outlets except Changi Airport Terminal 3 and Jewel Changi’s basement store. That still leaves a broad spread of convenient locations islandwide, whether you’re in the heart of Orchard, tucked in a neighbourhood mall, or making a quick detour during your commute.
This flexibility means there’s a good chance of fitting this treat into your daily routine — whether it’s a midday pick-me-up during work hours, an after-dinner sweet, or a reward for making it through a long day.
4. A Taste You’ll Want More Of
If you haven’t tried the Red Bean Purple Rice Milk Tea yet, you’re truly missing out. Unlike your regular sugary bubble teas, this one offers a more nuanced experience. The red beans lend a creamy texture and earthy sweetness, while the purple rice adds a soft, chewy bite and a slightly nutty note.
Combined with KOI’s signature milk tea blend, it creates a drink that feels both indulgent and nourishing. It’s satisfying enough to serve as a light snack, and the upsize makes it even more of a treat — especially for those with a hearty appetite or those looking to share a drink with a friend.
5. No Additional Purchase Necessary
Sometimes “free” promotions come with strings attached — spend this much, or buy that specific combo. But KOI’s August perk is refreshingly straightforward. Once members receive the voucher in their app, they can simply use it when purchasing the Red Bean Purple Rice Milk Tea. There’s no need to spend extra just to claim the reward.
That makes this a true perk rather than a marketing hook. It’s KOI’s way of thanking loyal members, and it’s easy to appreciate that kind of sincerity in a crowded F&B market.
How to Join KOI’s Membership Programme
If you’re not yet a KOI Thé member, now is the perfect time to join. Here’s how:
Step 1: Head to any KOI outlet (except Changi Airport T3 and Jewel Changi) and purchase a KOI Card.
Step 2: Download the KOI Thé SG app on your smartphone and register your KOI Card within the app.
Step 3: To make payments and redeem rewards, either show your physical card or flash the QR code under the “Balance” tab in the app. You can also track any redeemable rewards under the “Redeemable Rewards” section.
More information is conveniently available within the KOI Thé SG app, which serves as a central hub for keeping tabs on your rewards, card balance, and promotional updates.
Who Shouldn’t Miss This Deal?
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Tea lovers: If you live for your daily milk tea, this promotion is basically giving you more for less.
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Students and young professionals: Stretch that budget by making the most of free perks while indulging in your favourite beverage.
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Anyone new to KOI Thé: If you’ve never been a KOI member before, this is a great entry point. You’ll start off your membership with a rewarding free upsize and get a taste of the exclusive perks that follow.
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Fans of traditional ingredients: Red bean and purple rice are time-honoured components of many Asian desserts. Their inclusion in a cold, modern milk tea format bridges old and new tastes beautifully.
KOI’s August promotion is more than just another drink deal — it’s a celebration of customer loyalty and an invitation for new fans to come on board. With just a simple sign-up process, members can unlock real value and get rewarded with one of KOI’s most flavourful and satisfying beverages.
So if you’re someone who enjoys good deals, values generous member perks, or simply wants a reason to try something new from KOI’s menu, now’s the time to act. Don’t wait too long, though. The free upsize vouchers are limited to one per member, and with the popularity of this drink, it’s worth redeeming yours while it lasts.
Promotional/Event Details:
Date: 5 August 2025 Onward
Time: During operating hours
Venue: All KOI Thé outlets in Singapore, except Changi Airport Terminal 3 and Jewel Changi Basement outlets
Membership Required: Yes – available via KOI Card and KOI Thé SG App
Promotion Includes: Free upsize voucher for Red Bean Purple Rice Milk Tea for KOI members (1 voucher per member)
More info: https://www.facebook.com/100064419292661/posts/
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