

⚡ Nhận định nhanh:
- Chạy: Nitro PDF starts at $15/user/month. UPDF starts at $39.99/year.
- Phù hợp nhất cho: Nitro PDF for Office-heavy teams. UPDF for solo users who want AI help.
- Điểm khác biệt chính: Nitro focuses on conversion, eSigning, and bảo vệ. UPDF adds an AI trợ lý and Android support.
- Lựa chọn của chúng tôi: Nitro PDF for most việc kinh doanh users. Its conversion and security tools are deeper.

NitroPDF vs UPDF both sân bóng đá themselves as cheaper Adobe Acrobat alternatives.
After comparing them, they are not chasing the same user.
Nitro PDF is a business-first PDF editor built around Office files.
UPDF is a budget, AI-first tool that runs on almost any device.
The right pick depends on how you work with PDF documents every day.
Toàn cảnh
We reviewed documentation, pricing pages, and customer reviews for both tools.
Các cây bút của chúng tôi cũng đã dành thời gian trực tiếp tiếp xúc với từng người.
Những ghi chú đó xuất hiện trong phần "Những điều nhóm chúng tôi nhận thấy" bên dưới.
By the end, you’ll know which tool fits your workflow and budget.
Nitro PDF là gì?
Nitro PDF Pro is a PDF editing app with built-in electronic signatures.
It was built as an alternative to Adobe Acrobat for doanh nghiệp nhỏ và các cá nhân.
It’s designed to simplify working with PDFs from one ribbon.
That ribbon looks a lot like Microsoft Office, so it feels familiar fast.
Nitro Pro is the older product name you’ll still see on many forums.
Watch this short review to see the interface in action.

🏆 Winner: Nitro PDF
Convert Word, Excel, and PowerPoint files in one click. Sign and lock files without leaving the app.
Bảng giá Nitro PDF
Nitro mixes subscription and one-time plans. Here’s the breakdown.
| Kế hoạch | Giá | Tốt nhất cho |
|---|---|---|
| Tiêu chuẩn | 15 đô la/người dùng/tháng | Cá nhân và các nhóm nhỏ |
| Thêm vào đó | Phong tục | Larger teams needing admin tools |
| Cổ điển | 270 đô la một lần | People who hate subscriptions |
Pricing verified October 2026.

Dùng thử miễn phí: Yes. You get 14 days, and no credit card is required.
Đảm bảo hoàn tiền: Check refund terms at checkout. The trial is the safer way to test.
📌 Ghi chú: The price per license is the same on Mac and Windows. Nitro is generally 30% to 60% cheaper than Adobe Acrobat, depending on the plan.
⚠️ Price check: Some review sites list Nitro PDF Pro at $180 one-time. Others show $11.24 per user per month, about $135 a year. Prices vary by region and promo. Confirm at checkout.
Key Benefits of Nitro PDF
Here’s what makes Nitro PDF worth a look:

- Office-style interface: The ribbon mirrors Microsoft Word. Many people find it easier than Acrobat’s menus.
- Two-way Office conversion: Turn Word, Excel, or PowerPoint into PDF and back again. Formatting usually survives the trip.
- Strong file security: Add 256-bit encryption and password protection. Redaction permanently removes sensitive chữ.
- Chữ ký điện tử tích hợp sẵn: Apply a legally binding signature without printing anything.
- Phân tích mức độ sử dụng: Enterprise admins can track productivity and document ROI across teams.
- Form building: Create documents and fillable forms from scratch.

Những điều nhóm chúng tôi nhận thấy
Của chúng tôi nhà văn signed up for Nitro PDF and used it for daily editing and conversions. Here’s what stood out from that hands-on time:
Nitro PDF Pros & Cons
✅ Ưu điểm
- Familiar Office-like ribbon that beginners pick up quickly
- Converts Word, Excel, PowerPoint, and images to PDF and back
- 256-bit encryption, permissions, and true redaction
- One-time Classic license for people who avoid subscriptions
❌ Nhược điểm
- No AI assistant for summaries or chat
- Can be overkill for casual users with simple needs
- No Android app
UPDF là gì?
UPDF is an AI-powered PDF editor from developer Superace Software Technology.
It lets you read, edit, annotate, organize, and convert PDF files.
The app is compatible with Windows, Mac, iOS, and Android.
Its big hook is UPDF AI, which can summarize, translate, and explain files.
Many buyers pick it as a cost-effective Adobe Acrobat swap.
This video walks through the main tools.

UPDF
Chat with your PDFs and turn them into mind maps. One license works across four devices.
Bảng giá UPDF
UPDF sells yearly plans for each core product.
| Kế hoạch | Giá | Tốt nhất cho |
|---|---|---|
| UPDF Pro | 39,99 đô la/năm | Editing, OCR, and conversion |
| Trợ lý AI | 79 đô la/năm | Chat, summaries, and translation |
| UPDF Sign | 69 đô la/năm | Sending and signing contracts |
Pricing verified October 2026.

Dùng thử miễn phí: Yes. The free version lets you test most tools, but saved files carry a watermark.
Đảm bảo hoàn tiền: UPDF publishes a transparent refund policy on its website.
📌 Ghi chú: One license covers up to four devices across desktop and mobile. Free users get 1 GB of cloud storage. Paid users get 10 GB.
⚠️ Price check: Some review sites mention a Pro Lifetime Plan for around $69.99 one-time. Promos change often, so confirm the current offer at checkout.
Key Benefits of UPDF
Here’s where UPDF earns its place:

- UPDF AI assistant: Chat with a PDF and ask questions about it. Chat usage has no caps on the AI plan.
- Full-file translation: Translate a whole PDF while keeping the original layout.
- Mind maps: Turn long reports into visual mind maps in seconds.
- Every major platform: Get it on various platforms, from desktop to the App Store and Google Play.
- Beginner-friendly design: Reviews describe the interface as intuitive, even for non-tech-savvy people.
- Giá khởi điểm thấp: The Pro plan costs less per year than most rivals charge monthly.

Những điều nhóm chúng tôi nhận thấy
Our writer signed up for UPDF and used its AI tools on long reports. Here’s what stood out:
UPDF Pros & Cons
✅ Ưu điểm
- AI chat, summaries, translation, and mind maps
- Runs on Windows, Mac, iOS, and Android
- Very low yearly price for the Pro plan
- Clean layout that new users learn quickly
❌ Nhược điểm
- Customer support gets frequent complaints
- Frequent login prompts and sign-outs
- AI and eSign cost extra on top of Pro
So sánh tính năng
Below, we compare nine PDF features plus pricing. Each section shows how both apps handle the same job.
| Tính năng | Nitro PDF | UPDF |
|---|---|---|
| Giá khởi điểm | 15 đô la/người dùng/tháng | 39,99 đô la/năm |
| One-Time License | ✅ Classic | ❌ |
| Edit Text in Existing PDFs | ✅ | ✅ |
| Office Conversion | ✅ | ✅ |
| OCR | ✅ | ✅ |
| Trợ lý AI | ❌ | ✅ |
| Chữ ký điện tử | ✅ Bao gồm | ✅ Separate plan |
| Redaction | ✅ | ✅ |
| Android App | ❌ | ✅ |
| Tốt nhất cho | Đội ngũ kinh doanh | Students and solo users |
1. PDF Editing
Nitro PDF: Click into text boxes in an existing PDF to start making changes. Text edits keep your layout, fonts, and color. For big rewrites, convert the file to Word first.

UPDF: You can edit PDFs directly, including text, images, and links. It handles basic edits well. Reviews note it falls behind pricier biên tập viên on advanced tasks.
💡 Mẹo hay: Heavy text edits can shift line spacing in both apps. Check each page before you send the final version.
2. Word and PowerPoint Conversion
Nitro PDF: Conversion is Nitro’s home turf. Drop a Word file in and get a clean PDF in seconds.

Slide decks work the same way. PowerPoint files keep their layout as PDFs.

You can also reverse the process. Turn a PDF back into an editable PPT deck.

UPDF: UPDF exports to Word, PPT, Excel, RTF, HTML, XML, text, and images. That’s a wide spread of formats for the price.
3. Excel and Image Conversion
Nitro PDF: Spreadsheets convert to PDF without broken columns. This helps if you send invoices or reports.

Need the dữ liệu back? Nitro pulls PDF tables into Excel so you can work with numbers again.

Images get the same treatment. Scans and photos become PDFs in one step.

And you can extract PDF pages as image files when you need them.

UPDF: UPDF also converts PDFs to Excel and to image formats like PNG. For example, you can save each page as a separate image.
4. Nhận dạng ký tự quang học
Nitro PDF: Nitro’s optical character recognition turns scanned documents into searchable, editable files. It’s built in, so no add-on is needed.
UPDF: UPDF’s OCR converts scans into editable PDFs too. You can search the text right after the scan finishes.
⚠️ Cảnh báo: Some UPDF customers say they couldn’t get help when OCR misbehaved. Test OCR on your own scans during the trial.
5. Tính năng AI
Nitro PDF: Nitro PDF Pro has no built-in AI assistant. You won’t get summaries or chat inside the app.
UPDF: This is where UPDF pulls ahead. The UPDF AI assistant can summarize, translate, and explain a file. You can ask it questions to find answers in long reports fast.
UPDF can also turn a PDF into a mind map. It’s helpful for studying or planning.
6. eSignatures and Forms
Nitro PDF: eSigning comes built in, letting you sign without printing. You can also build fillable forms from scratch.

UPDF: You can fill and sign PDFs. For sending contracts to others, UPDF Sign is a separate yearly plan.
7. Security and Password Protection
Nitro PDF: Lock files with 256-bit encryption and password protection. Permissions let you block printing or editing rights. Redaction deletes sensitive text for good.
UPDF: UPDF offers password protection and cloud security for stored files. Its security tools are simpler than Nitro’s.
8. Platform and Device Support
Nitro PDF: Nitro runs on Windows and Mac. There’s also a version for iPad, iPhone, and iPod Touch.
UPDF: UPDF covers Windows, Mac, iOS, and Android. One license works on four devices across different platforms. Cloud storage keeps files synced on each device.
⚠️ Cảnh báo: Some people who purchased UPDF’s lifetime license report frequent login prompts and sign-outs. Others say login codes never arrive by email. Security software that clears saved logins can cause this, so check those settings first.
9. Annotation and Page Organization
Nitro PDF: Add sticky notes, highlights, comments, and shapes for team reviews. You can also merge multiple PDF files into one searchable document.
UPDF: Annotate PDFs with highlight, underline, and strikethrough. You can add shapes, add bookmarks, and search inside files. To organize PDF pages, rearrange, split, merge, crop, or delete them.
10. Định giá & Chi phí
Here are both price lists side by side.
| Gói cước | Nitro PDF | UPDF |
|---|---|---|
| Miễn phí | ❌ (Dùng thử 14 ngày) | Free version with watermark |
| Lối vào | Standard: $15/user/month | UPDF Pro: $39.99/year |
| Add-on / Mid | Plus: Custom | AI Assistant: $79/year |
| Khác | Classic: $270 one-time | UPDF Sign: $69/year |
Nitro PDF: You pay more, but eSigning and security come in one product. The Classic plan lets you buy once and skip renewals.
UPDF: The Pro plan is cheap for core PDF features. Add AI and Sign, though, and the yearly bill climbs past $180.
Các kịch bản khác nhau
| Nếu bạn cần… | Chọn | Tại sao |
|---|---|---|
| Ngân sách eo hẹp | UPDF | Pro costs $39.99 per year |
| Heavy Office conversion | Nitro PDF | Two-way Word, Excel, PPT tools |
| AI summaries and chat | UPDF | Trợ lý AI tích hợp sẵn |
| Redaction and permissions | Nitro PDF | Deeper security controls |
| Android access | UPDF | Nitro has no Android app |
| No subscription | Nitro PDF | Classic one-time license |
💰 Ngân sách của bạn
UPDF wins if you only need core editing. Nitro makes sense when eSigning and security save your team real time.
🔌 Bộ công nghệ của bạn
Office-heavy teams fit Nitro’s ribbon and cloud services links. Mixed-device users, including Android, fit UPDF better.
📝 Phong cách làm việc của bạn
If you read a lot of long reports, UPDF AI saves time. If you send contracts daily, Nitro’s built-in signing helps more.
🎓 Trình độ kinh nghiệm của bạn
Both are easy for beginners. Casual users may find Nitro’s feature set more than they need.
🆓 Dùng thử và bản demo miễn phí
Nitro gives 14 days with no card. UPDF’s free version works, but exports carry a watermark.
🛟 Các tùy chọn hỗ trợ
Support is the real problem with both. The BBB once graded Nitro an F for unanswered complaints. UPDF support draws frequent criticism too.
Hướng dẫn chuyển đổi
Bạn đã sử dụng một trong những công cụ này rồi? Dưới đây là những thay đổi nếu bạn chuyển sang sử dụng công cụ khác.
🔄 Switching from Nitro PDF to UPDF?
✅ Những lợi ích bạn sẽ nhận được:
- AI chat, summaries, and full-file translation
- Android app and four-device licensing
- Lower yearly cost for core editing
❌ Những gì bạn sẽ mất:
- Built-in eSigning with no extra plan
- Enterprise usage analytics
- The Office-style ribbon you know
📋 Cách chuyển đổi:
- Save your files and templates from Nitro to a folder.
- Download UPDF and sign in.
- Launch the app, click Open File, and upload to UPDF Cloud.
🔄 Switching from UPDF to Nitro PDF?
✅ Những lợi ích bạn sẽ nhận được:
- Deeper redaction and permission controls
- eSignatures included in the product
- A one-time Classic license option
❌ Những gì bạn sẽ mất:
- The UPDF AI assistant and mind maps
- Android support
- Bundled 10 GB cloud storage
📋 Cách chuyển đổi:
- Download your files from UPDF Cloud to your device.
- Start the Nitro 14-day trial.
- Open each file in Nitro and re-apply passwords.
Những điều mà bài đánh giá của chúng tôi chưa đề cập
This comparison focused on individuals and small teams. We didn’t test Nitro’s Plus plan, admin rollouts, or usage analytics at scale. We also skipped very large files. We didn’t check every preferred language beyond English either.
Our notes reflect the October 2026 versions. Features and prices may change after launch of new updates.
Phán quyết cuối cùng
| Loại | Người thắng |
|---|---|
| 💰 Giá cả | UPDF |
| ✏️ PDF Editing | Nitro PDF |
| 🔄 Office Conversion | Nitro PDF |
| 🤖 Tính năng AI | UPDF |
| ✍️ eSignatures | Nitro PDF |
| 🔒 Bảo mật | Nitro PDF |
| 📱 Platforms | UPDF |
| 🏆 Người chiến thắng chung cuộc | Nitro PDF |
🏆 WINNER: NITRO PDF
Nitro PDF wins 4 out of 7 categories.
Phù hợp nhất cho: Office-heavy teams, contract signing, secure document handling
Nitro PDF is the stronger tool for business work. Its conversion, signing, and security tools cover the full document process in one app.
UPDF packs powerful features for students and solo users on a budget. If AI summaries or Android matter most, choose UPDF.
One caution for Nitro buyers. The company told owners of licenses older than version 13 to move to a subscription. Check what your license covers before you buy.
More of Nitro PDF Compared
Here’s how Nitro PDF stacks up against other alternatives:
Nitro PDF vs Foxit
Nitro PDF wins on: Office-style ribbon, built-in eSigning, and enterprise usage analytics.
Foxit wins on: a free reader, Linux support, and more cloud collaboration tools.
Nitro PDF vs PDFelement
Nitro PDF wins on: team admin plans, cleaner redaction, and stronger signing workflows.
PDFelement wins on: built-in AI tools, an Android app, and lower solo pricing.
Nitro PDF vs PDF Expert
Nitro PDF wins on: Windows support, OCR depth, and Excel conversion.
PDF Expert wins on: a native Mac feel, faster reading on iPad, and simpler annotation.
More of UPDF Compared
Here’s how UPDF stacks up against other PDF apps:
UPDF vs PDFelement
UPDF wins on: lower yearly price, mind maps, and a four-device license.
PDFelement wins on: longer track record, form tools, and batch processing.
UPDF wins on: Windows and Android apps, AI chat, and full-file translation.
PDF Expert wins on: polished Apple design, smooth reading, and stable sign-ins.
UPDF wins on: desktop apps, offline editing, and OCR.
DocHub wins on: browser-only access, Google Drive links, and quick team signing.
Câu hỏi thường gặp
Nitro PDF có miễn phí không?
No. Nitro PDF is a paid tool, but it offers a 14-day free trial. You don’t need a credit card to start.
Nitro có tốt hơn Adobe không?
For most small businesses, yes on value. Nitro costs 30% to 60% less and its interface feels simpler. Adobe Acrobat still has more advanced features.
Is Nitro PDF Pro a one-time purchase?
It can be. The Classic plan is a one-time $270 payment. Standard is a subscription at $15 per user per month.
UPDF có miễn phí không?
Partly. The free version lets you try most tools, but saved files get a watermark. Paid plans start at $39.99 per year.
UPDF AI có an toàn không?
UPDF is a legitimate app sold on major app stores. Still, avoid uploading highly confidential files to any Công cụ AI. Read its privacy policy first.













