Comparison

calculator DUO vs Advanced Calculators

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

Head to head
About

calculator DUO

This utility app allows for comfortable one-handed calculations by letting you reposition the keypad. It also provides features to save and reuse past answers, correct input with a swipe, and handle both everyday and scientific calculations, including date and time functions.

Highlights
  • One-handed keypad repositioning
  • Save and reuse past answers
  • Swipe to delete/correct input
  • Everyday and scientific functions
  • Date and time calculations
  • Customizable themes and display
Features
Read full description

Calculate comfortably with one hand. Put past answers to work. Move the keypad within thumb reach, reuse saved results with a tap, and swipe to correct your input. Handle everyday math, scientific functions, dates and time in one place. WITHIN THUMB REACH Move and resize the left- or right-hand keypad to suit your grip. KEEP THE ANSWERS YOU NEED Save useful results on a visual shelf. Tap to reuse them, recall your last answer, or search your calculation history and mark favorites. CORRECT INPUT WITH CONFIDENCE Swipe to delete a digit or function. The deleted content stays visible until your next input; tap the return button to undo the deletion. FROM EVERYDAY TO SCIENTIFIC Use arithmetic, percentages, powers, roots, logarithms and trigonometric functions. Long-press a result for a large display, with adjustable text, color, font and size. MAKE IT YOURS Five themes, optional digit grouping and an interface in 50 languages. No account is required. Expressions, saved results and calculation history are stored on your device. DATES AND TIME, TOO Find the time between two dates, add or subtract days and hours, and calculate across time zones. The free app may show banner ads. Remove Ads is an optional one-time purchase, with purchase restoration through the same Apple Account.

About

Advanced Calculators

Features
Read full description

Advanced Calculators is a complete scientific, engineering, and daily-use calculator designed for students, professionals, and anyone who needs accurate fast calculations. Whether you're solving equations, converting units, calculating GST, or doing physics/maths tasks—this app gives you all tools in one clean and easy layout. Key Features - Scientific Calculator Trigonometry, logarithms & exponential functions Degrees & radians Multi-line display History & memory functions Parentheses & complex calculations - Math Tools for Students Equation solving Step-by-step results (if applicable) Percentage, ratio, average Age, discount, EMI & simple calculators - Unit Converter Length, weight, area, volume Temperature Time, speed Data & digital units - GST & Finance Tools GST calculator (Add/Remove) Discount calculator Loan/EMI Tip & split bill - Extra Utilities Currency converter (if added) Date calculator Age calculator Fractions & decimals

Screenshots

calculator DUO4 screens
Advanced Calculators4 screens

Verdict

The call

The clearest difference is in-app purchases: Advanced Calculators at none against calculator DUO's 1. Advanced Calculators also leads on ads (none vs shown). calculator DUO's advantage is iOS requirement (16.5 vs 18.2). On price 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. calculator DUO sells 1 one-off in-app purchase. Advanced Calculators asks for nothing beyond the download.

Scorecard3 real differences · 7 level
calculator DUO versus Advanced Calculators: the parameters behind the verdict, then further details
Parametercalculator DUOAdvanced Calculators
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 10 days—
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.5 — better18.2
Further details — not scored
Size18 MB6 MB
Age rating4+4+
DeveloperWenbin leiArvinder Singh

In-app purchases

1 purchases

calculator DUO

One-time1
  • Remove Ads$1.99
None

Advanced Calculators

No in-app purchases

Questions

Is calculator DUO free?
calculator DUO is free to download, with in-app purchases available.
Is Advanced Calculators free?
Advanced Calculators is free to download, with no in-app purchases.
Do calculator DUO or Advanced Calculators have ads?
calculator DUO shows ads; Advanced Calculators does not.

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