Comparison

Notarize vs Proof

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Notarize

Legally and securely notarize any document online in minutes from your mobile device. Connect with a licensed notary via audio/video call for instant verification and signing, available 24/7 worldwide. Supports documents with multiple signers.

Highlights
  • Online document notarization
  • 24/7 availability
  • Audio/video notary calls
  • Identity verification
  • Multi-signer document support
  • Downloadable notarized documents
Features
Read full description

Legally and securely notarize any document in minutes from your iPhone or iPad. Notarize serves every American worldwide. Open 24 hours a day, 7 days a week—even during holidays. Average wait time is less than one minute. Traveling abroad and need a document notarized? Can’t find a notary near you? Have a time-sensitive request after business hours? Say hello to Notarize. How it works: Upload or scan your documents. Next, take a picture of your license or passport and answer a few security questions - this is how we verify your identity. Then connect with a licensed electronic notary via an audio/video call to sign and notarize your document. Once your document is notarized, you can download, email, and access the file in the app at any time. Notarize also accepts documents that require more than one signer. Notarize agents are held to the highest standards and have completed training, undergone background checks, and independently hold insurance in accordance with notary industry best practices. Simply download the app to legally notarize any document, anytime, anywhere. Notarize is the leader in online notarization, which is simpler, smarter and safer than notarizing documents on paper. Powered by Proof, the identity verification platform trusted for the most important transactions.

About

Proof

This app streamlines the process serving workflow for professionals. It offers intuitive submission, real-time tracking, secure document management, and direct communication with clients. Designed for efficiency and compliance, it helps users serve documents accurately and faster.

Highlights
  • Streamlined serve attempt submissions
  • Enhanced visibility of special requirements
  • State law integration and reminders
  • Real-time job tracking
  • Secure document management
  • Instant notifications
  • Seamless client communication
Features
Read full description

Proof - Empowering Process Servers, One Serve at a Time. Revolutionize your process serving with Proof's newly redesigned mobile app. Streamline your workflow, stay compliant, and boost your efficiency - all from the palm of your hand. NEW! Completely redesigned interface for a smoother, faster experience. Key Features: Streamlined Serve Attempt Submissions: Submit your attempts in record time with our intuitive, step-by-step process. Enhanced Visibility of Special Requirements: Never miss a crucial detail with clear, upfront display of job-specific instructions. State Law Integration: Stay compliant effortlessly with built-in state law reminders and guidelines. Real-time Job Tracking: Keep clients informed with up-to-the-minute status updates. Secure Document Management: Access and upload sensitive documents with bank-level security. Instant Notifications: Stay on top of urgent requests and updates. Seamless Communication: Chat directly with clients and Proof support team. Whether you're a seasoned process server or new to the field, Proof's redesigned app equips you with everything you need to serve documents efficiently and accurately. Our user-friendly interface combines powerful features with simplicity, allowing you to focus on what you do best. Redesigned with You in Mind: Our latest app redesign is the result of extensive research, user feedback, and careful consideration of accessibility and user experience. We've invested significant time and resources to create an interface that's not only visually appealing but also highly functional and easy to navigate. Improved Accessibility: We've enhanced color contrast and font sizes to ensure better readability for all users. Intuitive Navigation: Based on user feedback, we've reorganized menu structures and workflows to make common tasks even easier to complete. Faster Performance: We've optimized the app to load faster and consume less data, improving your overall experience. Customizable Settings: Tailor the app to your preferences with new personalization options. Join thousands of satisfied servers who trust Proof to streamline their work, increase their earnings, and maintain compliance. Download now and experience the future of process serving! What Our Users Are Saying: "You're ahead of the game compared to the others." - Professional Process Server "This is fantastic! This design looks more organized, easier for people in the field. The amount of detail here is really great." - Professional Process Server "It feels like the new redesign does a much better job of handling information." - Professional Process Server "Impeccable service! That's why we are sending all of our process work to you guys" - Attorney "We are sending all of our clients to use your service because it is fast and professional." - Legal Professional "I can't begin to express my gratitude for stumbling upon Proof Serve. The service and communication have been outstanding thus far. We were using another nationwide service processing company and, so far, Proof Serve has blown them away! There is absolutely no comparison." - Subpoena Specialist Join us today and transform the way you work!

Screenshots

Notarize4 screens
Proof4 screens

Verdict

The call

The clearest difference is rating: Notarize at 4.9 against Proof's 4.5. Notarize also leads on ratings volume (119K vs 609) and review sentiment (72% vs 51%). On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Notarize holds the better App Store score, 4.9 against 4.5. That said, the two scores are not equally well evidenced: Notarize has 119K ratings behind it against 609, so its average is the more settled of the two. Written reviews point the same way: 72% of Notarize's written reviews are positive against 51% of Proof's.

UpkeepUpdate frequency

Notarize ships an update every 3 weeks, Proof every 4 weeks. The most recent releases landed on September 24, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
Notarize versus Proof: the parameters behind the verdict, then further details
ParameterNotarizeProof
PriceFreeFree
Rating4.9 (119K ratings) — better4.5 (609 ratings)
Positive reviews71.5% of reviews — better51.1% of reviews
Number of ratings119K — better609
Update frequencyEvery 3 weeks — betterEvery 4 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size238 MB169 MB
Age rating4+4+
DeveloperNotarize, Inc.Proof Technology, Inc.

Customer experience

Notarize

All ratings118,905 ratings
Positive97.9%
Neutral0.9%
Negative1.2%
Written reviews165 reviews
Positive71.5%
Neutral3.0%
Negative25.5%

Proof

All ratings609 ratings
Positive87.2%
Neutral2.8%
Negative10.0%
Written reviews45 reviews
Positive51.1%
Neutral2.2%
Negative46.7%

User reviews

Notarize

From 119K App Store ratings

What we love

  • 🚀 Fast and convenient
  • 👍 Easy to use
  • 🌟 Great customer service
  • 💰 Affordable pricing
  • 🌍 Accessible from anywhere

Room to improve

  • 🐛 Glitchy and buggy experience
  • 🤔 Confusing instructions
  • 🤖 Unhelpful or unresponsive notaries
  • 🔒 Concerns about security and verification
  • 💻 Compatibility issues with devices and browsers

Proof

From 609 App Store ratings

What we love

  • ⭐ Game-changer for workflow
  • 👍 Easy to navigate and use
  • ✅ Organized assignments and clear communication
  • 💯 Professional and accurate
  • 🚀 Efficient workflow

Room to improve

  • 🐌 Slow loading times
  • 🐛 App crashes frequently
  • ⚠️ Offline updates removed
  • ❌ Poor job instructions and hidden fees
  • 📉 Declining pay and fewer jobs

Bugs and requests

Notarize

Reported bugs

3 issues
  • Document upload and signing issues
  • Connectivity problems during video calls
  • Inability to delete or edit previously entered information

Requested features

4 requests
  • Allow multiple signers on a document
  • Improve document quality and editing capabilities
  • Provide better customer support and troubleshooting
  • Expand availability to more locations and countries

Proof

Reported bugs

8 issues
  • App loads too slow
  • App crashes instantly or shows black/white screen
  • App requires location services even when enabled
  • App doesn't allow recording attempts
  • App shows partial client details and won't scroll
Show 3 more
  • Job notifications received but job not available
  • App doesn't provide searching options for jobs
  • App constantly crashes on iOS devices

Requested features

6 requests
  • Route plans for servers
  • More organized job listings
  • Ability to log in on multiple phones
  • Automatic serve acceptance within a mile limit
  • Group status updates
Show 1 more
  • Generate map based on job addresses

In-app purchases

None

Notarize

No in-app purchases

None

Proof

No in-app purchases

Questions

Is Notarize free?
Notarize is free to download, with no in-app purchases.
Is Proof free?
Proof is free to download, with no in-app purchases.
Which has better reviews, Notarize or Proof?
Notarize is rated higher. Notarize averages 4.9 out of 5 from 119K ratings, while Proof averages 4.5 from 609 ratings.
Do Notarize or Proof have ads?
Neither Notarize nor Proof shows ads.
Which is updated more often, Notarize or Proof?
Notarize ships an update every 3 weeks, and Proof every 4 weeks. Most recently, Notarize was updated on September 24, 2026 and Proof on September 22, 2026.

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