Comparison

Suprapus vs SwiftRPN

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

Head to head
About

Suprapus

Features
Read full description

Suprapus application compares 2 physical objects. The objects can be defined in either 1D (only length) or 2D (length and height). As soon as both objects are set, the comparison is done automatically and is presented visually and in text format. Nanometer, kilometer, inch, ångström or light-year are just some of the 22 units available to choose from. It uses high precision to compare the objects and can handle measurements from microscopically small to astronomically large. The application adapts to current mode by changing from light to dark based on the device's settings. Suprapus application uses exploration as means of understanding how to use. To find things out, simply long tap on different components on screen.

About

SwiftRPN

This utility app provides a powerful Reverse Polish Notation (RPN) calculator with advanced features. It supports scalar types, vectors, and matrices, along with extensive built-in operators and unit conversions. Easily switch between number bases and visualize results.

Highlights
  • RPN stack for efficient calculations
  • Support for scalar, vector, and matrix types
  • 84 built-in operators with documentation
  • 74 built-in units for conversion
  • Multiple number base input and output (binary, octal, decimal, hex)
  • BigInt support for integer calculations
Read full description

SwiftRPN is an RPN (Reverse Polish Notation) calculator that aims to be quick to open and easy to use. = RPN Stack Work quickly and efficiently using the RPN Stack by pushing and popping values. The stack will always show what series of inputs led to each output, so you won't lose context during complicated expressions. = Extended Types SwiftRPN can understand scalar types like integers and real numbers, as well as vectors and square matrices of sizes 2, 3, and 4. When operating purely in the scalar integer domain, SwiftRPN can promote up to BigInts to avoid floating point imprecision. = Operators SwiftRPN has 84 built-in operators with included documentation and examples. All the expected operators (basic arithmetic, exponents, logarithms) are present, as are: - Rounding functions (floor/ceil/trunc/round) - Unit conversions - Bitwise operations (and/or/not/xor/shift left/shift right) - Statistics (avg/min/max/sum/std dev/NPV) - Trigonometry (sin/cos/tan + arc/hyperbolic variants) - Vector operations (dot/cross/normalize/length/swizzle) - Matrix operations (identity/inverse/transpose + translation/scale/rotation matrix generators) = Unit Conversions SwiftRPN has 74 built-in units, and can convert between units within families, including: - Angle - Area - Colors (3 and 4 components) - Coordinate systems (2D and 3D) - Length - Mass - Storage (Base 10 [SI, 1000 bytes in a kb] and Base 2 [1024 bytes in a kb]) - Temperature - Time - Volume = Value Representation SwiftRPN recognizes values represented in binary, octal, decimal, and hexidecimal. You can: - Enter values in one representation, and convert them to another - See the result of bitwise operations in binary automatically - View vec3 and vec4 components (truncated) in hexidecimal when working with colors.

Screenshots

Suprapus4 screens
SwiftRPN4 screens

Verdict

The call

The clearest difference is iOS requirement: Suprapus at 13.0 against SwiftRPN's 17.6. On price, update cadence, 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.

UpkeepUpdate frequency

Suprapus ships an update every 20 months, SwiftRPN every 14 months. Both last shipped on November 7, 2026.

Scorecard1 real difference · 8 level
Suprapus versus SwiftRPN: the parameters behind the verdict, then further details
ParameterSuprapusSwiftRPN
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 20 monthsEvery 14 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better17.6
Further details — not scored
Size2 MB3 MB
Age rating4+4+
DeveloperARKON Digital Solutions SRLPatrick Gelvin

In-app purchases

None

Suprapus

No in-app purchases

None

SwiftRPN

No in-app purchases

Questions

Is Suprapus free?
Suprapus is free to download, with no in-app purchases.
Is SwiftRPN free?
SwiftRPN is free to download, with no in-app purchases.
Do Suprapus or SwiftRPN have ads?
Neither Suprapus nor SwiftRPN shows ads.
Which is updated more often, Suprapus or SwiftRPN?
Suprapus ships an update every 20 months, and SwiftRPN every 14 months. Most recently, Suprapus was updated on November 7, 2026 and SwiftRPN on November 7, 2026.

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