Comparison

RPN vs Calculator Suite

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

Head to head
About

RPN

This utility app functions as a reverse Polish notation calculator. Users input numbers and operations using a stack-based interface to perform calculations. It's designed for straightforward mathematical tasks.

Highlights
  • Reverse Polish Notation (RPN) input
  • Stack-based operation
  • Intuitive digit and operation buttons
  • Clear result display
Features
Read full description

Simple reverse polish notation calculator. To make an operation you tap the number using the digit buttons. When you want to insert the number into the stack you press the orange button "Enter". When you're done inserting the numbers just tap the operation to do it. The result will be displayed but not put again into stack. Example: 6+7 is 6 enter, 7 enter +

About

Calculator Suite

Features
Read full description

Calculator Suite is a powerful, easy-to-use calculator designed for everyday mathematics, scientific calculations, engineering tools, and convenient conversions. ALL-IN-ONE CALCULATOR • Basic arithmetic, percentages, powers, and roots • Scientific functions, trigonometry, and logarithms • Degree and radian modes • Memory functions and calculation history ADVANCED ENGINEERING TOOLS • Hyperbolic and inverse hyperbolic functions • Number base calculations • Bitwise operations • Statistical calculations • Engineering mathematics UNIT CONVERTER Convert between common measurement units, including length, mass, temperature, area, volume, speed, and more. CURRENCY CONVERTER • Search currencies by name or code • Convert between a wide range of world currencies • View exchange rates • Refresh rates when connected to the internet CUSTOMIZABLE THEMES Personalize your experience with four appearance options: • Light • Dark • Ocean Blue • System Default CALCULATION HISTORY Save and revisit previous calculations, and reuse results whenever needed. Whether you're a student, engineer, professional, or simply need a reliable everyday calculator, Calculator Suite brings essential mathematical tools together in one convenient app.

Screenshots

RPN3 screens
Calculator Suite4 screens

Verdict

The call

The clearest difference is in-app purchases: Calculator Suite at none against RPN's 1. On price, update cadence, ads and device support there is nothing between them.

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

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

Both are free to download. RPN sells 1 one-off in-app purchase. Calculator Suite asks for nothing beyond the download.

UpkeepUpdate frequency

RPN ships an update monthly, Calculator Suite every 5 weeks. The most recent releases landed on October 19, 2026 and October 29, 2026 respectively.

Scorecard1 real difference Ā· 7 level
RPN versus Calculator Suite: the parameters behind the verdict, then further details
ParameterRPNCalculator Suite
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyMonthly — betterEvery 5 weeks
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.616.4 — better
Further details — not scored
Size5 MB34 MB
Age rating4+4+
DeveloperTomas Stankiewicz BaldassarriHussain HUSSAIN NASEER

In-app purchases

1 purchases

RPN

One-time1
  • Stack LCD$0.49
None

Calculator Suite

No in-app purchases

Questions

Is RPN free?
RPN is free to download, with in-app purchases available.
Is Calculator Suite free?
Calculator Suite is free to download, with no in-app purchases.
Do RPN or Calculator Suite have ads?
Neither RPN nor Calculator Suite shows ads.
Which is updated more often, RPN or Calculator Suite?
RPN ships an update monthly, and Calculator Suite every 5 weeks. Most recently, RPN was updated on October 19, 2026 and Calculator Suite on October 29, 2026.

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