Comparison

BigNum Calc vs Quick CalQ

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

Head to head
About

BigNum Calc

Read full description

Precision Calculator with up to 64-bit Integer and Decimal Accuracy. Privacy Policy: http://www.tapahtech.cn/decimalcalc_policy.html EULA (End User License Agreement): http://www.tapahtech.cn/decimalcalc_eula.html

About

Quick CalQ

This app provides accurate and reliable calculations, avoiding common errors found in other calculator applications. It features a clean interface, a history log, and follows the MDAS rule for correct order of operations. It's completely free to use.

Highlights
  • Accurate calculations
  • MDAS rule compliance
  • Working percentage calculator
  • History log
  • Fast and lightweight
  • Simple interface
Features
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Quick CalQ: The Calculator That Actually Gets Math Right Tired of calculator apps that mess up basic math? Same here. That’s why we built Quick CalQ—a fast, lightweight, and 100% free calculator that solves math correctly every time. No rounding errors, no weird glitches—just reliable calculations. Why Quick CalQ Stands Out: • No More Math Mistakes – Unlike some calculators (yes, even the iOS Calculator), we get the numbers right. • Follows MDAS Rule – Calculates in the correct order: Multiplication, Division, Addition, Subtraction. • Percentage Calculator That Works – Easily solve percentage problems without second-guessing. • History Log – Keeps track of your past calculations so you can review them anytime. • Fast & Lightweight – Opens instantly, calculates instantly—no lag, no slowdown. • Simple, Clean Interface – No clutter, no distractions—just a straightforward, easy-to-use calculator. • 100% Free – No subscriptions, no paywalls—just math, done right. Who Is Quick CalQ For? • Students – Solve homework problems and prepare for exams with confidence. • Professionals – A fast, accurate tool for quick calculations on the go. • Anyone Who Needs a Reliable Calculator – If you’ve ever been frustrated by calculators that get math wrong, this is for you. Stop struggling with bad calculators. Download Quick CalQ today and get math done right!

Screenshots

BigNum Calc3 screens
Quick CalQ4 screens

Verdict

The call

The clearest difference is device support: Quick CalQ at 2 against BigNum Calc's —. On price, in-app purchases and iOS requirement 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 7 level
BigNum Calc versus Quick CalQ: the parameters behind the verdict, then further details
ParameterBigNum CalcQuick CalQ
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequency—Every 2 weeks
Ads—Yes
In-app purchasesNoNo
Monetization—Ad-supported
Devices—iPhone, iPod — better
Requires iOS11.0 — better12.0
Further details — not scored
Size40 MB33 MB
Age rating4+4+
DeveloperWei WEIItaimi Global Inc.

In-app purchases

None

BigNum Calc

No in-app purchases

None

Quick CalQ

No in-app purchases

Questions

Is BigNum Calc free?
BigNum Calc is free to download, with no in-app purchases.
Is Quick CalQ free?
Quick CalQ is free to download, with no in-app purchases.

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