Line marketing in Thailand and Taiwan: the super-app foreign brands skip
The short version: in Thailand and Taiwan, Line isn't a chat app you can treat as optional — it's the layer where people message, read the news, pay, get food delivered, and hear from the brands they follow. Line reaches roughly 80% of Thais (about 54–56 million people) and over 90% of Taiwan's internet users (around 22 million). Foreign brands have learned to respect Zalo in Vietnam, but they still walk into Bangkok and Taipei running Meta-and-TikTok playbooks and skip the one channel where the whole country already lives. That's the gap. Your Line Official Account, run as a CRM rather than a broadcast megaphone, is where the money is.
I keep seeing the same blind spot. A brand entering Southeast Asia will build a Zalo Official Account for Vietnam because someone told them "WhatsApp doesn't win here." Good instinct. Then they cross the border into Thailand — a market where Line is even more dominant than Zalo is in Vietnam — and revert to a feed-ads plan with a link to a website nobody in the country wants to visit. Taiwan gets the same treatment, usually worse, because it's small enough to be an afterthought and Chinese enough that people assume WeChat logic applies. It doesn't. Taiwan runs on Line.
Why Line gets skipped when Zalo doesn't
Part of it is packaging. Zalo has a tidy story — "Vietnam's national messenger, WhatsApp doesn't count" — that fits in a market-entry deck. Line's story is messier because Line is many things at once, and depending on who you ask it's a messenger, a news portal, a wallet, a food-delivery app, or a sticker store. So planners file it under "messaging," lump it with WhatsApp, and move on. The second reason is org charts: the agency running the pan-SEA media buy is fluent in Meta and TikTok auctions and has never touched a Line Ads account or an Official Account console, so the plan quietly bends toward the tools the team already knows.
The cost of that skip is not subtle. In Thailand, the app is on effectively every smartphone. In Taiwan, around 79% of Line users interact with Official Accounts — that's not a niche audience you have to go find, it's the default inbox. Choosing not to be there is choosing to reach your buyer everywhere except the place they check most.
Line is not the same product in the two markets
Here's the part that trips people up: "do Line" is not one plan. The two markets rhyme but they don't match, and treating them as one region is exactly the Singapore-proxy mistake in a different costume.
| Thailand | Taiwan | |
|---|---|---|
| Scale | ~54–56M users, ~80% of the population | ~22M users, >90% of internet users |
| What it owns | Chat, Line Today (news), stickers, Line Shopping, Line Man (food/delivery, via Line Man Wongnai) | Chat, Line Today, Line Shopping, Line Pay, Line Bank, Line Points |
| Payments | Line Pay (folded into Line Man Wongnai after the Rabbit Line Pay deal in 2023) | Line Pay is a genuinely mainstream wallet; deep Points loyalty tie-in |
| Brand's main tool | Official Account + Line Ads + MyShop storefront | Official Account + Line Ads + Line Shopping affiliate + Points |
| Vibe to match | Warm, sticker-forward, service-and-deals | Loyalty-and-rewards, points-literate shoppers |
Practically: in Thailand your Official Account often behaves like a storefront-plus-concierge — people browse, ask, and buy inside the chat, and MyShop lets you close the order and take Line Pay without ever leaving the app. In Taiwan the same account leans harder on loyalty mechanics — Line Points, Line Shopping's affiliate rebates, and a shopper who is fluent in stacking rewards. Same platform, different centre of gravity.
How the economics actually work (and where brands overspend)
The Official Account is free to open and comes in a free tier plus two paid tiers, priced per country in local currency. The thing to understand is what counts as a billable message. You pay for push messages — the broadcasts your account initiates beyond your monthly quota. And "one message" means one delivery to one friend: broadcast to 5,000 followers and you've spent 5,000 messages, not one. Reactive traffic — one-to-one replies, auto-replies, welcome messages — doesn't count against the quota at all.
That pricing logic should shape your whole approach, and most brands get it backwards. They treat the account like an email list and blast the full base weekly, then complain Line is expensive. The brands that win do the opposite:
- Broadcast narrow, not broad. Segment and push to the people likely to act, not the whole list. Every untargeted blast is a bill.
- Lean on the free surface. Rich menus, auto-replies, and one-to-one chat carry your service and FAQ load at no per-message cost — and they're where trust actually gets built.
- Earn the follow, then reward it. A sticker giveaway or a first-purchase coupon to get the add is cheap; a follower who bought once through the account is worth many times a paid impression.
- Let reactive do the selling. In Thailand especially, buyers want to chat before they buy. Staffing that conversation well beats another broadcast.
The playbook I'd run
If I were standing up Line for a brand entering either market, the order looks like this. First, open the Official Account and build the rich menu as if it were your homepage — because for most followers it will be. Second, wire the storefront: MyShop and Line Pay in Thailand, Line Shopping and Points in Taiwan, so the path from "interested" to "paid" never leaves the app. Third, run Line Ads not to chase reach but to drive the follow — a followed account is an owned audience you can talk to for free later; a one-off ad click is not. Fourth, treat the inbox as a channel, not a cost centre: real people answering real questions is the conversion engine here, and it's the part agencies chronically under-resource. Only after that do you layer broadcasts, and even then, sparingly and segmented.
Note what's absent: a big up-front content-calendar of daily broadcasts. That's the WeChat-Official-Account reflex, and it burns budget on a platform that charges per delivery. Line rewards restraint and service, not volume.
The mistakes that keep repeating
The recurring one is treating Line as a bolt-on to a Meta plan — a place to re-post the same creative — when it's better understood as the market's operating system for staying in touch with customers. Close behind is copy-pasting the Thailand plan into Taiwan (or worse, a WeChat plan into either), ignoring that Taiwan's shopper is points-driven and Thailand's is chat-and-delivery-driven. And the quiet killer: opening the account, importing followers, then going silent because no one owns the one-to-one inbox. An unanswered Line chat reads, to a Thai or Taiwanese customer, roughly the way an ignored WhatsApp would to anyone else.
Bottom line
Line is not a messaging app you can safely deprioritise in Thailand and Taiwan — it's the channel where most of the country already reads, shops, and pays, and it's the one foreign brands most reliably skip because it doesn't fit the pan-regional media template. Open the Official Account, treat it as a CRM-plus-storefront rather than a broadcast list, respect the per-message economics, and run the two markets as the different animals they are. Do that and you're present where your buyer actually is, for a fraction of what you'd waste renting attention on the feeds where you're comfortable.
If you're mapping a Southeast Asia or Greater China entry and want a second read on the channel plan, that's the work I do — reach out. For the Vietnam side of this same argument, see the Zalo playbook, and for why "Southeast Asia" is never one market, read why Singapore is a poor proxy for the region.