LINE review.
A communication option whose encryption coverage and content rules need to be considered together.
Based on official documentation. Hands-on testing: not performed. Numeric rating: not assigned.
Our take
LINE is a candidate for permitted, routine conversations with existing contacts. We would check the actual feature being used before assuming it has the same protection as a sealed chat. We would not treat a personal messaging account as permission to distribute explicit content or operate a sales channel.
A good fit for
People using ordinary messaging with known contacts who can check Letter Sealing and keep within the applicable service rules.
Think twice if
You assume all LINE features are end-to-end encrypted or plan to use personal messaging for unrestricted commercial solicitation.
Strengths & limitations
What stands out
- LINE publishes a feature-specific explanation of Letter Sealing and a way to check key fingerprints. That is a useful starting point for deciding what belongs in a conversation. [2]
- The official site advertises free core messaging and voice calls. This review concerns that communication product, not a priced business-account package. [1]
What to weigh up
- The help page says transport encryption applies to excluded features, but Letter Sealing does not. Media and file coverage can also depend on application version and specifications. [2]
- The common terms prohibit sexually explicit submissions and restrict sales, advertising, solicitation, spam, and other specified uses. Separate service conditions can apply; inclusion here is not commercial approval. [3]
What it costs
No numeric price for stickers, premium features, or business services is verified here. The terms state that subscription services have their own fees and cancellation requirements and may renew automatically. [3]
Where it fits in your work
Use a trusted route to compare key fingerprints where appropriate. Keep important records and recovery information outside a single conversation, and share only what the recipient needs for the task.
What this review does not establish
We have not installed LINE, transferred an account, tested calls, or audited its encryption. Business-product pricing, recovery reliability, and approval for an individual use remain unverified.
Product claims and published prices can change. The check date records when we read the sources; it is not a safety certification.
Affiliate & referral status
No current official general-purpose cash referral program for the LINE messenger app was verified. Regional shopping rewards, mini-app campaigns, and other LINE products should not be substituted for such a program. Commission, attribution, payout details, and ATN enrollment remain unverified; links are direct.
Sources & check date
- Official LINE messenger website (opens in a new tab)Official source · Checked September 30, 2026
- Letter Sealing coverage, exclusions, and fingerprints (opens in a new tab)Official source · Checked September 30, 2026
- LY Corporation common terms: prohibited uses and subscriptions (opens in a new tab)Official source · Checked September 30, 2026