Comparison

Convert PDF vs Concrete Calculator

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

Head to head
About

Convert PDF

Features
Read full description

Turn your photos and images into high-quality PDF files in seconds with Pix2Doc! Whether you need to organize receipts, create digital documents from handwritten notes, or quickly share images as a single PDF, this app makes the process effortless. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: https://sites.google.com/view/thirtynineapps-privacy/home

About

Concrete Calculator

Features
Read full description

SolidMix – Concrete Estimator is your reliable tool for quickly calculating the exact amount of concrete needed for any project. Whether you’re working with ready-mix concrete or premixed bags, the app helps you plan with precision and avoid waste. Easily estimate the cubic yards, cubic feet, or cubic meters required for slabs, walls, footings, columns, and more. SolidMix also tells you how many 40 lb, 60 lb, or 80 lb premixed concrete bags you’ll need to get the job done. To make budgeting simple, you can even set the cost per volume unit or per bag and get a clear estimate of your total project expenses. SolidMix takes the guesswork out of concrete calculations—saving you time, money, and effort. In app purchase included : Lifetime Premium Privacy policy : https://privacypolicy50.wordpress.com/privacy-policy-subscription/ Terms and condition :https://privacypolicy50.wordpress.com/terms-and-condition/

Screenshots

Convert PDF3 screens
Concrete Calculator4 screens

Verdict

The call

The clearest difference is update cadence: Convert PDF at every 6 days against Concrete Calculator's every 3 months. Concrete Calculator's advantage is iOS requirement (13.0 vs 16.0). On price, 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

Both are free to download. Convert PDF sells 2 in-app purchases, starting at $2.99 per 7 days and Concrete Calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Convert PDF ships an update every 6 days, Concrete Calculator every 3 months. Both last shipped on October 30, 2026.

Scorecard2 real differences · 4 level
Convert PDF versus Concrete Calculator: the parameters behind the verdict, then further details
ParameterConvert PDFConcrete Calculator
PriceFreeFree
Update frequencyEvery 6 days — betterEvery 3 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size4 MB39 MB
Age rating4+4+
DeveloperLEAP STUDIOShital Gorasiya

In-app purchases

2 purchases

Convert PDF

Subscriptions2
  • 3-Day Trial3 Days trial$2.997 Days
  • Yearly Plan$19.991 Year
1 purchases

Concrete Calculator

One-time1
  • Lifetime Purchase$4.99

Questions

Is Convert PDF free?
Convert PDF is free to download, with in-app purchases available.
Is Concrete Calculator free?
Concrete Calculator is free to download, with in-app purchases available.
Do Convert PDF or Concrete Calculator have ads?
Neither Convert PDF nor Concrete Calculator shows ads.
Which is updated more often, Convert PDF or Concrete Calculator?
Convert PDF ships an update every 6 days, and Concrete Calculator every 3 months. Most recently, Convert PDF was updated on October 30, 2026 and Concrete Calculator on October 30, 2026.

Other comparisons