Comparison

SignNow vs Centurion Anesthesia

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

Head to head
About

SignNow

Streamline document signing and management with legally binding e-signatures. Easily fill, edit, and send PDFs and other file types from any device, with robust security and collaboration features.

Highlights
  • Legally binding e-signatures
  • Sign, send, and manage documents
  • Fill and edit forms
  • Import from cloud storage
  • Real-time notifications
  • Kiosk Mode for in-person signatures
  • Offline functionality
Features
Read full description

SignNow is used by over 6 million people worldwide to sign, send, and manage documents — wherever they are, on any device. Skip printing, scanning, and waiting. With SignNow, you can get legally binding e-signatures in minutes. SIGN & SEND DOCUMENTS • Sign PDFs, Word files, and other formats in just a few taps • Send documents to one or more recipients via email or link • Set the signing order and assign roles • Get notified in real time when documents are opened or signed • Collect in-person signatures with Kiosk Mode — ideal for events, front desks, or check-ins FILL & EDIT DOCUMENTS • Fill out forms, add text, checkboxes, dates, and stamps • Convert images (JPEG, PNG, BMP, etc.) into PDFs • Import files from email, Google Drive, Dropbox, OneDrive, and more • Create reusable templates for documents you send often MANAGE YOUR DOCUMENT WORKFLOW • Collaborate with your team on shared documents • Track document status and view detailed audit history • Organize files into folders for quick access • Store all signed documents securely SECURITY & COMPLIANCE • 256-bit encryption for data in transit and at rest • Legally binding e-signatures compliant with ESIGN, UETA, and eIDAS • Detailed audit trails with timestamps, IP addresses, and signer info • Works offline — sign and edit documents without internet, sync when back online • Supports MobileIron AppConnect for enterprise-grade security MORE WAYS TO WORK • Sign in with your Google or Apple account • Access documents from mobile or web • Print documents directly from the app • Use widgets for quick access to key actions Start with a free 7-day trial — no credit card required. SUBSCRIPTION INFORMATION Payment will be charged to your iTunes account upon confirmation. The subscription automatically renews unless auto-renewal is turned off at least 24 hours before the end of the current billing period. Manage your subscription in Account Settings after purchase. Privacy Policy: https://www.signnow.com/privacy_policy Terms of Service: https://www.signnow.com/terms

About

Centurion Anesthesia

Features
Read full description

Timeclock and invoice generating app designed for medical providers.

Screenshots

SignNow4 screens
Centurion Anesthesia4 screens

Verdict

The call

The clearest difference is in-app purchases: Centurion Anesthesia at none against SignNow's 10. SignNow's advantage is chart position (#95 vs unranked). On price, update cadence, ads and device support 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. SignNow sells 8 in-app purchases, starting at $2.99 per month. Centurion Anesthesia asks for nothing beyond the download.

UpkeepUpdate frequency

SignNow ships an update weekly, Centurion Anesthesia every 6 days. The most recent releases landed on November 10, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 9 level
SignNow versus Centurion Anesthesia: the parameters behind the verdict, then further details
ParameterSignNowCenturion Anesthesia
PriceFreeFree
Rating4.5 (18K ratings) — better—
Positive reviews65.2% of reviews—
Number of ratings18K — better—
Update frequencyWeeklyEvery 6 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
Best chart rank#95 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.015.0
Further details — not scored
Size430 MB63 MB
Age rating4+4+
DeveloperairSlate, Inc.Centurion Anesthesia

Bugs and requests

SignNow

Reported bugs

5 issues
  • Text alignment issues
  • Signature ID not working
  • Signed documents disappearing
  • Inability to open/edit signed documents
  • Crashes and freezes

Requested features

6 requests
  • Ability to paste text
  • Improved text alignment and resizing
  • Bulk scanning and document management
  • Duplicate text boxes
  • Rotate/resize signature box
Show 1 more
  • Improved mobile interface

Centurion Anesthesia

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

SignNow

Subscriptions8
  • SignNow$2.991 Month
  • SignNow$4.991 Month
  • SignNow Business2 variants$6.991 Month
Show 5 more
  • signNow Business Monthly2 variants$19.991 Month
  • SignNow Business, free trial7 Days trial$19.991 Month
  • SignNow$23.991 Year
  • SignNow Premium$24.991 Month
  • SignNow Business, free trial7 Days trial$95.991 Year
None

Centurion Anesthesia

No in-app purchases

Questions

Is SignNow free?
SignNow is free to download, with in-app purchases available.
Is Centurion Anesthesia free?
Centurion Anesthesia is free to download, with no in-app purchases.
Do SignNow or Centurion Anesthesia have ads?
Neither SignNow nor Centurion Anesthesia shows ads.
Which is updated more often, SignNow or Centurion Anesthesia?
SignNow ships an update weekly, and Centurion Anesthesia every 6 days. Most recently, SignNow was updated on November 10, 2026 and Centurion Anesthesia on November 4, 2026.

Other comparisons