Comparison

bcRPN vs Calculator for Complex Field

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

Head to head
About

bcRPN

This utility app functions as a Reverse Polish Notation calculator. It handles complex numbers and utilizes extended precision for all calculations, offering an unlimited stack depth and an undo feature for up to 10 operations.

Highlights
  • Reverse Polish Notation (RPN) input
  • Complex number calculations
  • Extended precision math
  • Unlimited stack depth
  • Undo functionality (up to 10 operations)
Features
Read full description

This is a RPN (Reverse Polish Notation) Calculator. It supports complex numbers and uses extended precision math for all operations. The stack depth is unlimited. In case a mistake was made, up to 10 operations can be undone. RPN calculators work by entering the numbers on the stack first, then selecting the operation. For example to add 3 + 4, press: 3 Enter 4 +

About

Calculator for Complex Field

Input natural math expressions and get instant results on a separate line, allowing for easy revisions. Save up to 20 inputs and incorporate saved answers into new expressions. Supports complex field calculations with adjustable decimal digits and three output formats.

Highlights
  • Natural math expression input
  • Automatic result display
  • Input revision for updated results
  • Save and reuse up to 20 inputs
  • Incorporate saved answers into expressions
  • Complex field calculations
  • Adjustable decimal digits
  • Three output formats (Fixed, Scientific, Engineering)
Features
Read full description

Your input to this app will be a natural math expression, and the answer will appear in a separate line. This makes it easy to revise current input to get an updated result. Up to 20 of your inputs will be automatically saved and can be reused later. You can also save your answer and incorporate it into your input expressions later. Undo and redo buttons will help you edit your expressions. All mathematical operations are performed in the complex field. Output will be a real or a complex number depending on your input and the selection is automatic. Three output formats are available for you to select: Fixed point, scientific and engineering. The number of decimal digits is adjustable. Finally, the help and demo buttons will bring you quick and easy usage examples. Current version includes the following math functions: exp, log, log10, sin, cos, tan, sinh, cosh, tanh, asin, acos, atan, asinh, acosh, atanh, abs, angle, real, imag and power (^).

Screenshots

bcRPN1 screens
Calculator for Complex Field4 screens

Verdict

The call

The clearest difference is update cadence: Calculator for Complex Field at fortnightly against bcRPN's every 22 months. Calculator for Complex Field also leads on review sentiment (100% vs 80%) and rating (5.0 vs 4.8). bcRPN's advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Calculator for Complex Field holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 4 respectively. Written reviews point the same way: 80% of bcRPN's written reviews are positive against 100% of Calculator for Complex Field's.

UpkeepUpdate frequency

bcRPN ships an update every 22 months, Calculator for Complex Field fortnightly. The most recent releases landed on September 19, 2026 and June 5, 2026 respectively.

Scorecard4 real differences · 6 level
bcRPN versus Calculator for Complex Field: the parameters behind the verdict, then further details
ParameterbcRPNCalculator for Complex Field
PriceFreeFree
Rating4.8 (4 ratings)5.0 (4 ratings) — better
Positive reviews80.0% of reviews100.0% of reviews — better
Number of ratings44
Update frequencyEvery 22 monthsFortnightly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size0 MB1 MB
Age rating4+4+
DeveloperPaul WilkinsJongseung Park

Customer experience

bcRPN

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive80.0%
Neutral20.0%
Negative0.0%

Calculator for Complex Field

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

bcRPN

No in-app purchases

None

Calculator for Complex Field

No in-app purchases

Questions

Is bcRPN free?
bcRPN is free to download, with no in-app purchases.
Is Calculator for Complex Field free?
Calculator for Complex Field is free to download, with no in-app purchases.
Which has better reviews, bcRPN or Calculator for Complex Field?
Calculator for Complex Field is rated higher. bcRPN averages 4.8 out of 5 from 4 ratings, while Calculator for Complex Field averages 5.0 from 4 ratings.
Do bcRPN or Calculator for Complex Field have ads?
Neither bcRPN nor Calculator for Complex Field shows ads.
Which is updated more often, bcRPN or Calculator for Complex Field?
bcRPN ships an update every 22 months, and Calculator for Complex Field fortnightly. Most recently, bcRPN was updated on September 19, 2026 and Calculator for Complex Field on June 5, 2026.

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