Communication · head to head
Kakao Work vs LINE WORKS
Kakao Work
Communication
Korean business messaging built on the KakaoTalk interface for domestic enterprise teams
- From
- Free
- Rated
- -
LINE WORKS
Communication
Business chat built on the LINE interface, aimed at Japanese firms whose staff and customers already use LINE
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Kakao Work the product, documentation, support and commercial materials are Korea-first, so a company with overseas offices ends up running a second messaging tool for non-Korean staff and splitting its conversation history across two systems.; LINE WORKS the external LINE bridge, which is the main reason to choose it, only matters where LINE has consumer penetration, so buyers outside Japan, Taiwan and Thailand are paying for a feature they cannot use.
- They diverge on capability: Kakao Work covers KakaoTalk-style messaging, LINE WORKS covers External LINE messaging.
- Prices and features above were last checked on 31 August 2026.
Where they differ
Only the attributes on which Kakao Work and LINE WORKS actually diverge.
| Attribute | Kakao Work | LINE WORKS |
|---|---|---|
| Platforms | Web, Windows, macOS, iOS, Android | Web, iOS, Android, Windows, macOS |
Identical on both: starting price (Free), pricing model (Per user per month), free tier (Yes), user rating (Not yet rated), category (Communication).
What each one covers
Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.
Only in Kakao Work
- KakaoTalk-style messaging
- Organisation chart
- Video meetings
- Kakao Work Drive
- Approvals and workflow
- Bots and open API
- Admin retention controls
- Casper AI assistant
Only in LINE WORKS
- External LINE messaging
- Chat and channels
- Voice and video calls
- Shared address book
- Calendar and bulletin board
- Drive
- Business email
- Admin controls
What people use each for
The jobs each tool is most often brought in to do.
Kakao Work
- A Korean manufacturer moving work conversations off staff personal KakaoTalk accounts and into a tenant with retention and audit controlsnot LINE WORKS
- A Korean public agency that must keep official communications on a domestically operated service with records exportnot LINE WORKS
- A mid-sized Korean firm whose warehouse and field staff will not adopt Slack but already use KakaoTalk dailynot LINE WORKS
- A Korean company that wants approvals, chat and the organisation chart in one tool rather than paying separately for groupware and messagingnot LINE WORKS
LINE WORKS
- A Japanese retail or service chain whose customers expect to book and enquire over LINE rather than emailnot Kakao Work
- A clinic, dealership or estate agency that needs customer conversations on LINE but under corporate retention and auditnot Kakao Work
- A Japanese SME under 30 staff that wants managed business chat at no licence cost on the free tiernot Kakao Work
- The Japanese subsidiary of a foreign group that needs a local tool for front-line staff alongside the group standardnot Kakao Work
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Kakao Work
- The product, documentation, support and commercial materials are Korea-first, so a company with overseas offices ends up running a second messaging tool for non-Korean staff and splitting its conversation history across two systems.
- The third-party integration catalogue is small next to Slack or Microsoft Teams, so connecting a Western SaaS stack usually means writing against the open API yourself rather than installing an app.
- Prices are set and billed in Korean won with 10 percent VAT added on top, which makes cost forecasting awkward for any buyer whose budget is held in another currency.
- Kakao Enterprise has restructured repeatedly since 2023 and refocused around AI, which puts long-term roadmap certainty for the collaboration suite below that of a vendor whose only product this is.
- The deliberate resemblance to consumer KakaoTalk is a training advantage but a governance risk: staff move between the two apps by habit and a share of work conversation keeps leaking back to personal accounts, which is precisely what the tool was bought to stop.
LINE WORKS
- The external LINE bridge, which is the main reason to choose it, only matters where LINE has consumer penetration, so buyers outside Japan, Taiwan and Thailand are paying for a feature they cannot use.
- The free tier caps total storage at 5GB across the whole organisation, not per user, so a team sharing photos or documents exhausts it within weeks and is pushed onto a paid plan.
- Business email is only on the Advanced plan at 800 yen per user, so an organisation wanting both chat and mail pays nearly double the Standard rate for every seat including staff who only chat.
- Developer documentation, support and the integration catalogue are strongest in Japanese, which makes it awkward to administer from a non-Japanese IT function.
- It has no serious developer or engineering workflow story, so organisations that also run Slack or Teams for technical teams end up maintaining two chat systems and two directories.
Pricing, plan by plan
Kakao Work
Free- FreeFree
- Core messaging
- Basic video meetings
- Limited shared storage
- Mini$2400/month
- Messaging-focused plan
- Message encryption and security controls
- Annual billing rate; monthly billing is 2,900 KRW
- Standard$6500/month
- Mail and collaboration tools
- Larger drive capacity
- Approvals and workflow
- Premium$9900/month
- Large storage allocation
- All user and administrator features
- AI assistant features
LINE WORKS
Free- FreeFree
- Up to 30 users
- 5GB total storage
- Chat, calls, calendar and address book
- Standard$450/month
- Unlimited users
- 1TB shared storage
- Annual contract price, 540 yen monthly
- Advanced$800/month
- Everything in Standard
- Business email
- 100TB shared storage
Which should you pick?
Choose Kakao Work if
- You need kakaotalk-style messaging.
- You want to start without paying.
- You work on Web, Windows, macOS, iOS, Android.
- You also want organisation chart.
Choose LINE WORKS if
- You need external line messaging.
- You want to start without paying.
- You work on Web, iOS, Android, Windows, macOS.
- You also want chat and channels.
Questions people ask
- Is Kakao Work or LINE WORKS better?
- Neither clearly leads. Kakao Work starts at Free and LINE WORKS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Kakao Work or LINE WORKS?
- Kakao Work starts at Free and LINE WORKS at Free.
- Does Kakao Work or LINE WORKS run on more platforms?
- Kakao Work runs on Web, Windows, macOS, iOS, Android. LINE WORKS runs on Web, iOS, Android, Windows, macOS.
- Can I use Kakao Work for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Kakao Work best used for?
- Kakao Work is most often used for a korean manufacturer moving work conversations off staff personal kakaotalk accounts and into a tenant with retention and audit controls, a korean public agency that must keep official communications on a domestically operated service with records export, a mid-sized korean firm whose warehouse and field staff will not adopt slack but already use kakaotalk daily, a korean company that wants approvals, chat and the organisation chart in one tool rather than paying separately for groupware and messaging. Of those, a korean manufacturer moving work conversations off staff personal kakaotalk accounts and into a tenant with retention and audit controls and a korean public agency that must keep official communications on a domestically operated service with records export are not what LINE WORKS is typically brought in for.
- What can Kakao Work do that LINE WORKS cannot?
- Kakao Work covers KakaoTalk-style messaging, Organisation chart, Video meetings, Kakao Work Drive. LINE WORKS covers External LINE messaging, Chat and channels, Voice and video calls, Shared address book.
Answered from the vendors’ own pages
Kakao Work: Can a non-Korean company use Kakao Work?
Technically yes, and the app supports several interface languages, but support, billing and the integration catalogue assume a Korean entity. Most non-Korean buyers should not.
LINE WORKS: Can LINE WORKS really message ordinary LINE users?
Yes. That is its core differentiator and the reason Japanese customer-facing businesses buy it.
Kakao Work: Is there a genuinely free plan?
Yes. The Free tier gives core messaging and basic meetings with limited storage, no trial expiry.
LINE WORKS: Is there a free plan?
Yes, up to 30 users with 5GB of total organisation storage.
Kakao Work: How does it differ from KakaoTalk?
KakaoTalk is a consumer messenger on personal accounts. Kakao Work is an administered tenant with an organisation chart, retention controls and approvals, in a near-identical interface.
LINE WORKS: Does the Standard plan include email?
No. Business email is Advanced only, at 800 yen per user per month on an annual contract.
Kakao Work: What does it actually cost?
From 2,400 KRW per user per month on annual billing for Mini, up to 9,900 KRW for Premium, all excluding 10 percent VAT, under the plan structure effective July 2026.
LINE WORKS: Is it worth buying outside Japan?
Generally no. Without the consumer LINE bridge it competes poorly against Slack, Teams or Lark on features and ecosystem.
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