kitio.aiO.Translator vs BookTranslator
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. O.Translator starts at $5 one-time and BookTranslator starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Layout-preserving PDF translation
- 40+ file formats
- arXiv paper translation
- Comic translation
- Subtitle translation
- Translation API
- Full-book translation
- Layout and image preservation
- 168 languages
- Bilingual output
- Consistent terminology
- Scanned page support
| Feature | O.Translator | BookTranslator |
|---|---|---|
| Best for | AI document translator that keeps PDF, Word and EPUB layouts | Translates whole books, PDFs and EPUBs while keeping the layout |
| Category | Writing | Writing |
| Pricing model | Paid | Freemium |
| Starting price | $5 one-time | See pricing page |
| Free plan | No | Yes |
| Made by | Office Translator, Inc. | BookTranslator |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
O.Translator starts at $5 one-time and BookTranslator starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Single credits
$0.13 / credit
- Minimum 15 credits
48-credit pack
$5 one-time
- 40 credits plus 20% bonus
- Never expires
168-credit pack
$15 one-time
- 120 credits plus 40% bonus
- Never expires
720-credit pack
$60 one-time
- 480 credits plus 50% bonus
- Never expires
2 plans
Pay as you go
From $3.99 / task
- No registration required
- Up to 300,000 words per task
- History kept 7 days
Free
Free
- Buy credits, $20 per 50,000
- Credits never expire
- Lower price than pay as you go
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
O.Translator
- Keeps tables and layout intact
- Preview and quote before paying
- Credits never expire
- Every full translation costs credits
- Cost depends on token count, harder to estimate
- Minimum purchase of 15 credits
BookTranslator
- Handles EPUB, MOBI and manga files
- No account needed to pay per task
- Purchased credits never expire
- Each translation costs credits
- Guest history kept only 7 days
- Pro prices not shown upfront
Which one should you choose?
Choose O.Translator if you want:
- Keeps tables and layout intact
- Preview and quote before paying
- Credits never expire
Watch out: every full translation costs credits.
Choose BookTranslator if you want:
- Handles EPUB, MOBI and manga files
- No account needed to pay per task
- Purchased credits never expire
Watch out: each translation costs credits.
O.Translator vs BookTranslator FAQ
What is the difference between O.Translator and BookTranslator?
O.Translator: AI document translator that keeps PDF, Word and EPUB layouts. BookTranslator: Translates whole books, PDFs and EPUBs while keeping the layout. Both are writing tools.
Is O.Translator or BookTranslator cheaper?
O.Translator starts at $5 one-time and BookTranslator starts at See pricing page. Check both pricing pages for current plans.
Do O.Translator and BookTranslator have free plans?
O.Translator: No. BookTranslator: Yes.
Who makes O.Translator?
O.Translator is made by Office Translator, Inc..
Who makes BookTranslator?
BookTranslator is made by BookTranslator.
Which should I choose, O.Translator or BookTranslator?
Choose O.Translator if you value keeps tables and layout intact and preview and quote before paying. Choose BookTranslator if you value handles epub, mobi and manga files and no account needed to pay per task.