FREE
Free basic translation
For understanding simple messages
No registration. Install and translate each message on its own; quality is basic.
Download →PLANS
Pricing
Use basic translation for free. Try AI translation, replies, writing styles and Q&A, then choose a usage pack or a paid unlock for your own API key.
Choose the Right Option for You
Start with free translation and choose AI based on your communication needs.
FREE TRIAL
Try AI for free
For trying AI before buying
After signing up and verifying their email, eligible new users can try up to 100 AI translations for free. 20 uses are added automatically on each active day, distributed over 5 days.
Start free trial →PAID
AI usage packs
For regular customer conversations
Context translation, replies, writing styles and Q&A. Buy uses as needed, with no model setup.
View usage packs →PAID · ADVANCED
Custom API unlock
For users with their own AI provider account
Pay once to unlock your own API key. Model usage is billed separately by your provider and is not included in the unlock price.
View API unlock →Usage counts: each completed AI translation or reply deducts one communication use; each completed AI question deducts one question use. Basic translation uses neither.
TRANSLATION PLANS
Free Translation and AI Usage Plans
Basic translation is free, with no account needed. Start AI Mode with a free trial, then choose a usage pack. No model setup is required.Basic translation · Free
Free basic translation
No account
No registration or payment; basic quality
- Translates each message on its own, without context
- Translate incoming and outgoing text
- Third-party service; availability depends on network and provider
AI translation · Paid service with a free trial
Free trial
$0
After signing up and verifying their email, eligible new users can try up to 100 AI translations for free. 20 uses are added automatically on each active day, distributed over 5 days.
- 20 translations or replies per active day
- 1 AI question per active day
- Try personal style and the local library while uses remain
- Device limit: 1
Full trial rules
Trial uses are added automatically; no manual claim is needed. The 100 uses are shared by AI translations and replies. Q&A has a separate allowance of up to 5 questions, with 1 added per active day. The first allocation follows email verification; later allocations are added when the extension syncs the account or AI is used. Activity days need not be consecutive. Allocations are available within 30 days of sign-up, once per Beijing calendar date (UTC+8). Check your account for remaining uses and access expiry.
Starter
$9
365-day validity · no auto-renewal
- 800 translations or replies
- 30 AI questions
- No model setup required
- AI features while uses remain within the validity period
- Device limit: up to 2
Pro
$19
365-day validity · no auto-renewal
- 2,000 translations or replies
- 100 AI questions
- No model setup required
- AI features while uses remain within the validity period
- Device limit: up to 3
Business
$39
365-day validity · no auto-renewal
- 5,000 translations or replies
- 300 AI questions
- No model setup required
- AI features while uses remain within the validity period
- Device limit: up to 5
ONE-TIME PROFESSIONAL UNLOCK
Bring Your Own API Key
For users with their own AI provider account. An API key connects the extension to that account. Obtain and enter your own key; model usage is billed separately by your provider.Professional tools
$14.90
Pay once · long-term access
- Bring your own API key from an AI provider
- YaoAI does not provide an API key
- Use your own AI account; no YaoAI usage pack needed
- Your selected provider charges model usage
- Device limit: up to 3
USAGE GUIDE
When to Use Each Mode
Free mode translates incoming messages and replies you write. Choose AI when you want it to write a reply for you or use conversation context and product references. Review important details before sending.
Free basic translation
Best forShort messages and understanding the gist
TranslationEach message on its own; basic quality
Other toolsTranslate incoming and outgoing text
Get startedInstall and use without an account
AI translation (paid)
Best forBusiness chats, complex context and replies in your style
TranslationUses relevant conversation and quoted messages
Other toolsReply drafts, writing styles, references and Q&A
Get startedRegister and verify your email to try AI, or buy a usage pack
PLAN FEATURES
Feature comparison
| Feature | Basic translation | Free trial | Usage pack | Professional unlock |
|---|---|---|---|---|
| Translate incoming messages automatically | Yes, one message at a time | ✓ | ✓ | ✓ (own API key) |
| Context translation and AI Reply | No, does not read context | ✓ | ✓ | Bring your own API key |
| AI Q&A | No | ✓ | ✓ | Bring your own API key |
| Personal style | No | Within the validity period, while uses remain | Within the validity period, while uses remain | Billed separately by your AI provider |
| Local library and quoted replies | No, library is not used | Within the validity period, while uses remain | Within the validity period, while uses remain | Billed separately by your AI provider |
| Your own API and custom model | No | — | — | Bring your own API key from an AI provider |
| Access requirements | No account required | AI trial uses | Usage pack | Your own valid AI provider API key |