Comparison

Doc Scanner PDF, Convert & OCR vs Invoice Maker・Estimate App

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

Head to head
About

Doc Scanner PDF, Convert & OCR

Transform your smartphone into a portable scanner to digitize documents, receipts, and contracts. Easily edit, sign, and share multipage PDFs and images in various formats. Features AI-powered text extraction, translation, and document conversion.

Highlights
  • Instant document scanning
  • AI text editing and summarization
  • Multilingual text translation
  • Convert documents to PDF, DOCX, JPG, PNG, and more
  • Optical Character Recognition (OCR)
  • E-signature functionality
  • Multi-page scanning
Features
Read full description

Welcome to Scanius Pro, your ultimate solution for effortless document scanning on the go! Say goodbye to bulky scanners and messy paperwork, as Scanius Pro transforms your smartphone into a powerful portable scanner. Whether you're digitizing receipts or contracts Scanius Pro simplifies the process, ensuring crisp, clear scans with just a few taps. Scanning, editing, signing, and sharing multipage documents in high-quality PDF, JPEG, PNG formats has never been easier. INSTANT SCANNING With Scanius Pro, capture documents in seconds. Simply point your camera, and Scanius Pro automatically detects edges, enhances image quality, and produces high-resolution scans. Scan quickly and smoothly: - Business documents, agreements, letters, invoices, order sheets; - Paper notes and sketches so they are always at hand; - Rent payments, credit notes, invoices, or any other printed documents. AI FUNCTIONS WITH GPT-5.1 - Work with text. Edit, summarize, reduce, enlarge, rephrase, and paraphrase. - Translate text into any language in one click. - Convert documents to pdf, png, jpg, docx, pptx, txt, xml, txt, json and more. - Use assistants: study, work, horoscope, health, sports, etc. CONVERT SCANNED DOCS TO VARIOUS FORMATS - Convert pdf to other docs: docx, pptx and xlsx - Convert pdf to images: png and jpg AUTO-CROP & PERSPECTIVE CORRECTION No need to worry about aligning your documents perfectly. Our intelligent algorithms automatically crop and correct perspective, delivering professional-looking scans every time. OCR - OPTICAL CHARACTER RECOGNITION Transform scanned documents into editable text with OCR feature. Easily extract text from scans, making it convenient to search, copy, and edit your documents. - Extract and modify text from books, invoices, scans, and more; - Both printed and handwritten text are automatically detected; - Translate recognized text. SIGN SCANS IN THE APP E-Sign scanned documents directly on your device: - Create one or multiple signatures within the app; - Easily add them to any scanned pages with a single tap. MULTI-PAGE SCANNING Effortlessly scan multiple pages into a single document. Scanius Pro streamlines the process, allowing you to add pages seamlessly to create comprehensive PDFs. CUSTOMIZABLE SETTINGS Tailor Scanius Pro to suit your preferences with customizable settings. Adjust resolution, file format, and other parameters to meet your specific scanning needs. SECURE SHARING Share your scans securely with password protected sharing feature. Send documents via email, messaging apps, or directly to colleagues and clients, knowing your data is protected. - Email or messaging in PDF, JPEG, or PNG formats, or save directly to Photos; - Export to Dropbox, Google Drive, or open in any third-party application. ORGANIZATIONAL TOOLS Keep your scanned documents organized with Scanius Pro's intuitive file management system. Create folders and easily locate your documents for quick access. Scanius Pro is essential for remote workers, students, professionals in various industries such as accounting, real estate, management, and law. Effortlessly digitize essential documents including contracts, tax forms, tickets, receipts, handwritten notes, and assignments, then export them in PDF, JPG, PNG formats. SCANIUS PRO - Subscribe to access Pro features of the app. Payment will be charged upon purchase confirmation. - A free trial period is available with the subscription, which automatically extends to a paid subscription after the trial period ends. - Subscriptions automatically renew 24 hours before the expiration date. You can cancel the free trial or subscription at any time in the account settings on the App Store. Privacy Policy: https://scaniusapp.com/privacy Terms of Use: https://scaniusapp.com/terms Your feedback matters! Share your thoughts by leaving a review to assist us make Scanius Pro better. And feel free to contact us support@scaniusapp.com

About

Invoice Maker・Estimate App

Create, send, and manage professional invoices, estimates, and receipts effortlessly. Designed for freelancers and small businesses, this tool helps you get paid faster and stay organized on the go.

Highlights
  • Create professional invoices
  • Send estimates and receipts
  • Convert estimates to invoices
  • Track invoices and payments
  • Manage client information
  • Send invoices via email/text
Read full description

Invoice Maker is a simple invoicing and billing app for small businesses, contractors, tradespeople, and freelancers. Create professional invoices, estimates, quotes, receipts, and PDF documents, manage customers and items, and keep track of paid and unpaid work from your iPhone or iPad. CREATE PROFESSIONAL INVOICES Build clear, professional invoices without complicated accounting software. Add your business details, logo, customer information, products or services, labor, materials, quantities, rates, taxes, discounts, payment terms, and notes. ESTIMATES & QUOTES Create estimates and quotes before work begins, then convert approved estimates into invoices without entering the same information again. This is ideal for contractors, tradespeople, service businesses, and freelancers who move from quote to completed job to final invoice. PDF INVOICES & RECEIPTS Create editable invoices and receipts, preview documents before sending, export them as PDF files, and share them with customers by email, text, WhatsApp, or other apps on your device. TRACK PAID & UNPAID WORK Keep billing organized by marking invoices as paid or unpaid. Quickly see which payments are complete and which invoices still need attention. SAVE CUSTOMERS, ITEMS & SERVICES Store customer details, products, services, prices, and commonly used items for reuse. Create repeat invoices faster without entering the same information every time. BUILT FOR SMALL BUSINESS Invoice Maker is designed for small businesses, contractors, tradespeople, freelancers, mechanics, consultants, and other independent professionals who need a fast, straightforward way to handle everyday invoicing. WORK ON IPHONE & IPAD Create and manage invoices on iPhone or iPad. On iPad, enjoy more space to review documents, manage customers, and work with invoices and estimates on a larger screen. COMMON USE CASES • Create an invoice after a completed job • Send an estimate or quote before work begins • Create PDF invoices and receipts • Track paid and unpaid invoices • Reuse saved customers, products, and services • Manage billing for contractor or freelance work • Create professional documents for a small business FAQ What is Invoice Maker used for? Invoice Maker helps small businesses, contractors, and freelancers create invoices, estimates, quotes, receipts, and PDF billing documents. Can I create professional PDF invoices? Yes. Create, edit, preview, export, and share professional PDF invoices directly from your device. Can I create estimates and turn them into invoices? Yes. Create an estimate or quote for upcoming work and convert it into an invoice when the job is approved or completed. Is Invoice Maker suitable for contractors? Yes. Contractors and tradespeople can add labor, materials, services, customer details, taxes, discounts, and payment terms to invoices and estimates. Can I use Invoice Maker for freelance clients? Yes. Freelancers can save client information, create repeat invoices, send PDF documents, and keep track of paid and unpaid work. Invoice Maker helps you spend less time on paperwork and more time running your business.

Screenshots

Doc Scanner PDF, Convert & OCR4 screens
Invoice Maker・Estimate App4 screens

Verdict

The call

The clearest difference is monetization model: Doc Scanner PDF, Convert & OCR at free with in-app purchases against Invoice Maker・Estimate App's subscription. Doc Scanner PDF, Convert & OCR also leads on review sentiment (93% vs 60%). Invoice Maker・Estimate App's advantage is update cadence (every 3 days vs monthly) and rating (4.9 vs 4.7). On price, ratings volume, 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. Doc Scanner PDF, Convert & OCR sells 13 in-app purchases, starting at $4.99 per 7 days and Invoice Maker・Estimate App sells 4 in-app purchases, starting at $5.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Invoice Maker・Estimate App holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 475 and 201 respectively. Written reviews complicate that: 93% of Doc Scanner PDF, Convert & OCR's written reviews are positive against 60% of Invoice Maker・Estimate App's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Doc Scanner PDF, Convert & OCR ships an update monthly, Invoice Maker・Estimate App every 3 days. The most recent releases landed on September 23, 2026 and September 21, 2026 respectively.

Scorecard4 real differences · 6 level
Doc Scanner PDF, Convert & OCR versus Invoice Maker・Estimate App: the parameters behind the verdict, then further details
ParameterDoc Scanner PDF, Convert & OCRInvoice Maker・Estimate App
PriceFreeFree
Rating4.7 (475 ratings)4.9 (201 ratings) — better
Positive reviews93.3% of reviews — better60.0% of reviews
Number of ratings475 — better201
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhoneiPhone, iPad — better
Requires iOS16.016.0
Further details — not scored
Size171 MB18 MB
Age rating4+4+
DeveloperRuslan KhalikovDynamic Falcon

Customer experience

Doc Scanner PDF, Convert & OCR

All ratings475 ratings
Positive93.9%
Neutral1.3%
Negative4.8%
Written reviews90 reviews
Positive93.3%
Neutral0.0%
Negative6.7%

Invoice Maker・Estimate App

All ratings201 ratings
Positive97.5%
Neutral0.5%
Negative2.0%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Bugs and requests

Doc Scanner PDF, Convert & OCR

Reported bugs

2 issues
  • Login screen freezes
  • Incompatibility with older devices

Requested features

5 requests
  • Add cloud storage integration
  • Implement document sharing and collaboration
  • Expand OCR and text editing capabilities
  • Develop web and iPad versions
  • Introduce password protection for folders

Invoice Maker・Estimate App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

Doc Scanner PDF, Convert & OCR

Subscriptions13
  • Scanius Pro (All access)3 Days trial2 variants$4.997 Days
  • All access (monthly)3 Days trial$4.991 Month
  • Scanius Pro (All access)3 Days trial2 variants$6.997 Days
Show 10 more
  • All access (monthly)3 Days trial$6.991 Month
  • Scanius Pro (All access)$6.991 Month
  • All access (monthly)$9.991 Month
  • All access (1 month)3 Days trial$9.991 Month
  • All access (weekly)3 Days trial$9.997 Days
  • All access (monthly)3 Days trial$9.991 Month
  • Scanius Pro (All access)$24.996 Months
  • All access (yearly)$29.991 Year
  • All access (yearly)$49.991 Year
  • All access (year)3 Days trial$59.991 Year
4 purchases

Invoice Maker・Estimate App

Subscriptions4
  • Premium Weekly3 Days trial$5.997 Days
  • Premium Weekly$5.997 Days
  • Premium Monthly$9.991 Month
Show 1 more
  • Premium Annually$99.991 Year

Questions

Is Doc Scanner PDF, Convert & OCR free?
Doc Scanner PDF, Convert & OCR is free to download, with in-app purchases available.
Is Invoice Maker・Estimate App free?
Invoice Maker・Estimate App is free to download, with in-app purchases available.
Which has better reviews, Doc Scanner PDF, Convert & OCR or Invoice Maker・Estimate App?
Invoice Maker・Estimate App is rated higher. Doc Scanner PDF, Convert & OCR averages 4.7 out of 5 from 475 ratings, while Invoice Maker・Estimate App averages 4.9 from 201 ratings.
Do Doc Scanner PDF, Convert & OCR or Invoice Maker・Estimate App have ads?
Neither Doc Scanner PDF, Convert & OCR nor Invoice Maker・Estimate App shows ads.
Which is updated more often, Doc Scanner PDF, Convert & OCR or Invoice Maker・Estimate App?
Doc Scanner PDF, Convert & OCR ships an update monthly, and Invoice Maker・Estimate App every 3 days. Most recently, Doc Scanner PDF, Convert & OCR was updated on September 23, 2026 and Invoice Maker・Estimate App on September 21, 2026.

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