kitio.aiLightPDF vs UPDF
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. LightPDF starts at $5.99/mo and UPDF starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Chat with PDF
- AI document summaries
- OCR
- PDF editing and conversion
- E-signatures
- Apps on all major platforms
- PDF editing
- OCR
- AI summaries and chat
- PDF to mind map
- Translation
| Feature | LightPDF | UPDF |
|---|---|---|
| Best for | AI PDF editor for chatting with, summarizing and converting files | PDF editor with an AI assistant for summaries, chat and translation |
| Category | Productivity | Productivity |
| Pricing model | Freemium | Freemium |
| Starting price | $5.99/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | LightPDF | Superace Software |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: OCR.
Pricing compared
LightPDF starts at $5.99/mo and UPDF starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Web only
- 10MB maximum file size
- Selected features
Monthly
$5.99/mo
- Web, mobile and desktop
- Unlimited file size
- 1,000 AI credits per month
Yearly
$15.99/yr
- Web, mobile and desktop
- 1,000 AI credits per month
- 3-day free trial
Lifetime
$39.99 one-time
- One-time payment
- 40,000 AI credits until used
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
LightPDF
- Low price for editing plus AI
- Works on web, desktop and mobile
- Lifetime license option
- Free plan is web only with a 10MB limit
- Monthly AI credits don't roll over
- AI tools spend credits per use
UPDF
- Full editor plus AI
- One license for all devices
- Cheaper than Acrobat
- AI is a separate subscription
- Free version adds watermarks
Which one should you choose?
Choose LightPDF if you want:
- Low price for editing plus AI
- Works on web, desktop and mobile
- Lifetime license option
Watch out: free plan is web only with a 10mb limit.
Choose UPDF if you want:
- Full editor plus AI
- One license for all devices
- Cheaper than Acrobat
Watch out: ai is a separate subscription.
LightPDF vs UPDF FAQ
What is the difference between LightPDF and UPDF?
LightPDF: AI PDF editor for chatting with, summarizing and converting files. UPDF: PDF editor with an AI assistant for summaries, chat and translation. Both are productivity tools.
Is LightPDF or UPDF cheaper?
LightPDF starts at $5.99/mo and UPDF starts at See pricing page. Check both pricing pages for current plans.
Do LightPDF and UPDF have free plans?
LightPDF: Yes. UPDF: Yes.
Who makes LightPDF?
LightPDF is made by LightPDF.
Who makes UPDF?
UPDF is made by Superace Software.
Which should I choose, LightPDF or UPDF?
Choose LightPDF if you value low price for editing plus ai and works on web, desktop and mobile. Choose UPDF if you value full editor plus ai and one license for all devices.