Comparison

BigNum Calc vs Key Calculator

Price, ratings, monetisation and update history for both apps, side by side β€” 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

Key Calculator

Features
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Revolutionary Tap-to-Calculate Select an operator (+βˆ’Γ—Γ·) first, then tap numbers to instantly calculate results. Saves 3 steps vs traditional calculators! Customize Your Number Pad Adjust max/min values, set step increments, and save frequent numbers. Build your dream keypad for faster inputs. Undo Mistakes Instantly Typed a wrong number? Undo your last action with one tapβ€”no restart needed. Calculation Time Machine Auto-saves every step. Tap any history entry to resume calculations right where you left off.

Screenshots

BigNum Calc3 screens
Key Calculator4 screens

Verdict

The call

The clearest difference is device support: Key Calculator at 3 against BigNum Calc's β€”. On price, in-app purchases and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Β· 4 level
BigNum Calc versus Key Calculator: the parameters behind the verdict, then further details
ParameterBigNum CalcKey Calculator
PriceFreeFree
Adsβ€”No
In-app purchasesNoNo
Devicesβ€”iPhone, iPad, iPod β€” better
Requires iOS11.0 β€” better12.0
Further details β€” not scored
Size40 MB27 MB
Age rating4+4+
DeveloperWei WEIη‘žε‹€ 李

In-app purchases

None

BigNum Calc

No in-app purchases

None

Key Calculator

No in-app purchases

Questions

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

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