Comparison

VisuCalculator vs MobiPDF・PDF Text Editor・Reader

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

Head to head
About

VisuCalculator

This app enhances productivity with advanced calculator features. It allows users to scan numbers from images or live camera feeds and input data using defined formulas. A smart history log tracks calculations and totals, aiding in progress tracking for goals.

Highlights
  • Scan numbers from live camera or photos
  • Define and use custom formulas
  • Smart history log with running totals
  • Pick numbers from history, memories, or recent calculations
  • Customizable color themes
Read full description

VisuCalculator is the next evolution of calculator technology to enhance productivity. It provides traditional calculator capabilities but also provides unique capabilities that distinguish it from the many calculators available today. VisuCalculator adds vision capabilities so numbers can be read in a manner that feels natural. Scan live with a viewfinder that is integrated with the calculator or take picture and tap numbers from the picture. It permits formulas to be defined so data can be entered in formula variables. Some formulas can be accessed directly from the main calculator tab. This saves time from constantly entering the same numbers over and over. It provides a smart history log that can total the entries added to the log. Simply enter a calculation in the calculator and when equal is pressed, the calculation is added to the log and the result is totalled. If you participate in rewards programs and have to spend a target amount to reach a reward level, the history total log is a valuable feature to track progress to the target amount. VisuCalculator adds various productivity enhancements so numbers can be picked instead of re-entered. Inputs and results for formulas, 8 memories, recent numbers in calculations are available to be picked. The colors can be customized to match personal preferences. Considering the technology of today, VisuCalculator does what a calculator should be able to do. The video and screenshots provided give a good overview of the various capabilities of VisuCalculator.

About

MobiPDF・PDF Text Editor・Reader

Edit, create, and secure PDF documents on your mobile device. Scan paper documents to editable PDFs, recognize text with OCR, and fill or sign forms. Convert between PDF and other formats, and protect sensitive files with passwords.

Highlights
  • Scan documents to editable PDFs
  • Recognize text with OCR
  • Edit text, images, and signatures
  • Fill and sign forms
  • Convert PDFs to Word, Excel, PowerPoint, ePub
  • Protect PDFs with passwords
  • Organize and merge PDF pages
Features
Read full description

MobiPDF is a complete mobile PDF suite that helps freelancers, remote workers, and small business owners scan, edit, sign, convert, and protect PDF files — also ideal for students and anyone needing a powerful yet simple PDF tool — all from one intuitive app on iPhone and iPad. KEY CAPABILITIES • Edit PDFs like a pro — modify text, images, and formatting directly in any PDF, and fully control your pages: rearrange, insert, delete, extract, duplicate, rotate, and merge PDFs into one • Scan paper documents to PDF with your camera — receipts, contracts, invoices, IDs, passports, and more • Convert PDFs to Word, Excel, and ePub while preserving original layout and formatting — and convert Word, Excel, PowerPoint, PNG, and JPEG files to PDF for easy sharing • Fill out and sign PDF forms and contracts on the go — draw or reuse saved electronic signatures • Recognize text from scans and images using OCR technology and share instantly • Read PDFs your way — multiple reading modes including distraction-free reading, night mode, and Read Aloud to listen to any PDF hands-free while driving, commuting, or on the go • View, highlight, annotate, and mark up PDFs — add comments, stamps, drawings, and attachments • Protect sensitive documents with passwords, encryption, and digital certificates • Store and sync via 5GB free cloud storage on MobiDrive, plus Google Drive and Dropbox USE CASES • Edit the text, images, or layout of a PDF contract or report directly on your iPhone or iPad — no desktop needed • Convert a PDF to Word to make extensive edits, then save back to PDF for sharing • Scan a paper document, recognize its text with OCR, and convert it into a fully editable PDF • Scan a paper contract, sign it on your iPhone or iPad, and send it back — without printing • Fill out a client form or invoice PDF on the go, directly from your phone • Have a PDF report, contract, or document read aloud during your commute or drive • Merge multiple PDFs into one organized proposal, report, or portfolio • Protect a sensitive business document with a password before sharing with a client • Students: scan handwritten notes or assignments and submit them as PDFs instantly • Review, annotate, and mark up PDF documents on iPad's larger screen for a near-desktop experience WHY MOBIPDF • Advanced mobile PDF editor — edit text, images, formatting, and pages directly in any PDF • Complete PDF converter — reliably convert PDFs to and from Word, Excel, PNG, and JPEG, plus PowerPoint to PDF and PDF to ePub • All-in-one solution — edit, scan, sign, convert, protect, read, and organize without switching apps • Purpose-built for iPhone and iPad — intuitive mobile-first experience • Read Aloud turns any PDF into audio — stay informed while commuting or multitasking • Advanced OCR turns any scan or image into searchable, shareable text • Electronic signatures and fillable forms — no printing or faxing needed • Simple and intuitive — accessible for all ages and experience levels • Trusted by millions of MobiSystems users worldwide PREMIUM • Full PDF editing — modify text, images, and formatting in any PDF • Full PDF conversion suite — PDF to and from Word, Excel, PNG, JPEG, plus PowerPoint to PDF and PDF to ePub • 50GB cloud storage on MobiDrive • Advanced annotation, markup tools, and night mode • Password protection and digital certificate support TL;DR MobiPDF is the go-to mobile PDF suite for freelancers, remote workers, and small business owners — offering powerful PDF editing, reliable conversion to and from all major formats, scanning, signing, and Read Aloud, all in one intuitive app optimized for iPhone and iPad. Help Centre: https://support.mobisystems.com/hc/en-us/sections/20794399449757-iOS Privacy Policy: https://mobisystems.com/en-us/privacy-policy Terms of Use: https://mobisystems.com/en-us/terms-of-use

Screenshots

VisuCalculator4 screens
MobiPDF・PDF Text Editor・Reader4 screens

Verdict

The call

The clearest difference is price: MobiPDF・PDF Text Editor・Reader at Free against VisuCalculator's $1.99. MobiPDF・PDF Text Editor・Reader also leads on update cadence (monthly vs every 11 months) and chart position (#89 vs unranked). VisuCalculator's advantage is review sentiment (100% vs 83%) and iOS requirement (13.0 vs 18.0). On ads, in-app purchases 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

MobiPDF・PDF Text Editor・Reader is free to download; VisuCalculator costs $1.99 up front. VisuCalculator sells 1 one-off in-app purchase and MobiPDF・PDF Text Editor・Reader sells 13 in-app purchases, starting at $7.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

VisuCalculator ships an update every 11 months, MobiPDF・PDF Text Editor・Reader monthly. The most recent releases landed on September 29, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 5 level
VisuCalculator versus MobiPDF・PDF Text Editor・Reader: the parameters behind the verdict, then further details
ParameterVisuCalculatorMobiPDF・PDF Text Editor・Reader
Price$1.99Free — better
Rating—4.8 (7.4K ratings) — better
Positive reviews100.0% of reviews — better82.5% of reviews
Number of ratings—7.4K — better
Update frequencyEvery 11 monthsMonthly — better
AdsNoNo
In-app purchasesYesYes
MonetizationPaidFree with in-app purchases — better
Best chart rank—#89 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size18 MB216 MB
Age rating4++4
DeveloperiRead Solutions Inc.MobiSystems, Inc.

Customer experience

VisuCalculator

Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

MobiPDF・PDF Text Editor・Reader

All ratings7,430 ratings
Positive95.5%
Neutral2.5%
Negative2.0%
Written reviews578 reviews
Positive82.5%
Neutral3.5%
Negative14.0%

Bugs and requests

VisuCalculator

Not enough reviews yet to summarise bugs or requests.

MobiPDF・PDF Text Editor・Reader

Reported bugs

4 issues
  • Text editing issues
  • Image fields in forms don't work
  • Incompatible with dynamic PDFs
  • Activation issues

Requested features

4 requests
  • Add snap tool for cleaner documents
  • Improve font sync
  • Offer one-time purchase option
  • Develop a Mac OS version

In-app purchases

1 purchases

VisuCalculator

One-time1
  • Intelligence Plus$3.99
13 purchases

MobiPDF・PDF Text Editor・Reader

Subscriptions13
  • PDF Extra Premium$7.997 Days
  • PDF Extra Premium Weekly$7.997 Days
  • PDF Extra Premium 2023 Weekly7 Days trial$7.997 Days
Show 10 more
  • PDF Extra Premium Weekly7 Days trial$7.997 Days
  • PDF Extra Premium2 variants$9.991 Month
  • PDF Extra Premium 2023 Weekly7 Days trial$9.997 Days
  • Weekly Unlimited Access7 Days trial3 variants$9.997 Days
  • PDF Extra Premium 2023 Monthly$12.991 Month
  • PDF Extra Premium Yearly7 Days trial$24.991 Year
  • PDF Extra Premium3 Days trial$29.991 Year
  • PDF Extra Premium Yearly3 Days trial2 variants$49.991 Year
  • PDF Extra Premium3 Days trial$49.991 Year
  • Yearly Unlimited Access3 Days trial$49.991 Year

Questions

Is VisuCalculator free?
VisuCalculator costs $1.99, and also offers in-app purchases.
Is MobiPDF・PDF Text Editor・Reader free?
MobiPDF・PDF Text Editor・Reader is free to download, with in-app purchases available.
Do VisuCalculator or MobiPDF・PDF Text Editor・Reader have ads?
Neither VisuCalculator nor MobiPDF・PDF Text Editor・Reader shows ads.
Which is updated more often, VisuCalculator or MobiPDF・PDF Text Editor・Reader?
VisuCalculator ships an update every 11 months, and MobiPDF・PDF Text Editor・Reader monthly. Most recently, VisuCalculator was updated on September 29, 2026 and MobiPDF・PDF Text Editor・Reader on October 20, 2026.

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