Comparison

Dok2PDF vs Concrete Calculator Tools

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

Head to head
About

Dok2PDF

Features
Read full description

Dok2PDF - конвертация документов и фото в PDF и обратно. Онлайн инструмент для работы с файлами. Конвертируйте файлы прямо на телефоне! Поддержка многих расширений, удобный файловый менеджер, делитесь файлами прямо из телефона. Основные поддерживаемые форматы: doc, docx, rtf, odt, xml, html, xhtml, jpg, png, bmp, tiff, xls, xlsx, csv, ppt, pdf Первые 5 конвертаций бесплатно! Купите "Премиум" и конвертируйте файлы без ограничений. Стоимость подписки: 379 р.  Подписка на Премиум будет снята с iTunes счета при подтверждении покупки. Подписка автоматически возобновляется, если автоматического продления не будет выключен по крайней мере 24 часа до окончания текущего периода. Счет будет взиматься плата за обновление в течение 24-часов до конца текущего периода. Подписки могут управляться пользователем и автоматического обновления можно отключить, перейдя в настройках аккаунта после покупки. Любая неиспользованная часть бесплатного ознакомительного периода, если предлагают, будет аннулирован, когда пользователь покупает подписку на это издание, где это применимо. Ознакомьтесь с нашими условиями и политикой конфиденциальности: https://dokument2pdf.com/rules.pdf https://dokument2pdf.com/privacy.pdf Price: 4.99$.  Subscription to Премиум will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. Subscriptions may be managed by the user and auto-renewal may be turned off by going to your Account Settings after purchase. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. Read our Terms & Privacy Policy here: https://dokument2pdf.com/rules.pdf https://dokument2pdf.com/privacy.pdf

About

Concrete Calculator Tools

This app simplifies concrete volume calculations for professionals and DIYers. It offers flexible unit support and a free rectangular slab calculator, with advanced features available via subscription.

Highlights
  • Flexible unit support (metric/imperial)
  • Rectangular slab calculator (free)
  • Circular slab calculator
  • Circular column calculator
  • Post hole calculator
  • Slab from area calculator
Features
Read full description

Concrete Calculator is the essential app for concreters, builders, contractors, and DIY enthusiasts who want to make concrete calculations quick and easy on the job site. Use your iPhone or iPad—Concrete Calculator is built for you. With a simple, easy-to-use design, Concrete Calculator helps you focus on the pour while the app handles the math. Perfect for Architects, Builders, Concreters, Construction Workers, Contractors, Designers, Engineers, Landscapers, and anyone who needs fast, accurate concrete estimates with ease. Concrete Calculator can save you time and money by reducing errors and material waste on site. WHY CONCRETE CALCULATOR? At Concrete Calculator, our mission is to create best-in-class concrete calculation tools. We’re working toward a sustainable business model so we can keep adding new features and saving you time and money on every job. FEATURES • Flexible Unit Support - Enter dimensions in metric or imperial (feet, inches) and get results in cubic metres, cubic feet, or cubic yards • Rectangular Slab Calculator (Free) - Our core calculator is free forever. Quickly calculate the concrete volume needed for rectangular or square slabs. Ideal for house slabs, patios, driveways, and foundations. PREMIUM FEATURES (Requires Concrete Tools Pro Subscription) • Circular Slab Calculator - Easily calculate concrete for circular slabs, footings, and bases. • Circular Column Calculator - Get the precise concrete volume for circular columns and piers. • Post Hole Calculator - Quickly calculate concrete for one or more post holes, ideal for fencing and decking projects. • Slab from Area Calculator - Great for irregular shapes. Enter the total area and depth to get an instant concrete volume calculation. FEEDBACK If there’s a calculator you’d like to see added, please email feedback@concretecalculator.app. NO ADS EVER We believe that if you’re paying for an app, it should deliver the best experience possible and be ad-free. That’s why Concrete Calculator will always have no ads. SUPPORT Have feedback or questions? We’d love to hear from you! Email us at support@concretecalculator.app. If Concrete Calculator helps you on the job, we’d appreciate an App Store review. Your review helps others find Concrete Calculator. Terms of Service: https://www.concretecalculator.app/en/legal/terms/ Privacy Policy: https://www.concretecalculator.app/en/legal/privacy/ Proudly made in Australia.

Screenshots

Dok2PDF4 screens
Concrete Calculator Tools4 screens

Verdict

The call

The clearest difference is ads: Dok2PDF at none against Concrete Calculator Tools's shown. Dok2PDF also leads on update cadence (every 3 weeks vs every 2 months) and iOS requirement (11.1 vs 18.0). On price, 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

Both are free to download. Dok2PDF sells 1 in-app purchase, starting at $4.99 per month and Concrete Calculator Tools sells 4 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Dok2PDF ships an update every 3 weeks, Concrete Calculator Tools every 2 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
Dok2PDF versus Concrete Calculator Tools: the parameters behind the verdict, then further details
ParameterDok2PDFConcrete Calculator Tools
PriceFreeFree
Rating—4.7 (51 ratings) — better
Positive reviews—0.0% of reviews
Number of ratings—51 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.1 — better18.0
Further details — not scored
Size21 MB39 MB
Age rating4+4+
DeveloperLemonBit LimitedPeth Pty Ltd

In-app purchases

1 purchases

Dok2PDF

Subscriptions1
  • Полный доступ (ежемесячно)$4.991 Month
4 purchases

Concrete Calculator Tools

Subscriptions3
  • Weekly Pro3 Days trial$3.997 Days
  • Monthly Pro$5.991 Month
  • Annual Pro$19.991 Year
One-time1
  • One-Time Purchase$85.00

Questions

Is Dok2PDF free?
Dok2PDF is free to download, with in-app purchases available.
Is Concrete Calculator Tools free?
Concrete Calculator Tools is free to download, with in-app purchases available.
Do Dok2PDF or Concrete Calculator Tools have ads?
Concrete Calculator Tools shows ads; Dok2PDF does not.
Which is updated more often, Dok2PDF or Concrete Calculator Tools?
Dok2PDF ships an update every 3 weeks, and Concrete Calculator Tools every 2 months. Most recently, Dok2PDF was updated on October 8, 2026 and Concrete Calculator Tools on October 14, 2026.

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