A Complex Calc vs bcRPN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A Complex Calc
Perform complex calculations with a modern, user-friendly interface. Offers both basic and scientific modes, including support for complex numbers and advanced functions. This lightweight application provides a history of computations and is completely free with no advertisements.
- Complex number support
- Basic and Scientific modes
- History of operations
- Trigonometric and hyperbolic functions
- Random number generation
- Lightweight app size
Read full descriptionHide full description
A Complex Calc is built for fast complex-number work without losing the tools you need for serious math. Use scientific functions quickly and check floating-point results in rectangular and polar form. Reuse past results from history, work with built-in constants, and keep advanced tools close while solving everyday and technical calculations.
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.
- Reverse Polish Notation (RPN) input
- Complex number calculations
- Extended precision math
- Unlimited stack depth
- Undo functionality (up to 10 operations)
Read full descriptionHide 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 +
Screenshots
Verdict
The clearest difference is update cadence: A Complex Calc at every 3 weeks against bcRPN's every 22 months. A Complex Calc also leads on ratings volume (23 vs 4) and iOS requirement (10.0 vs 15.0). On price, rating, review sentiment and ads 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.7 for A Complex Calc against 4.8 for bcRPN. That said, the two scores are not equally well evidenced: A Complex Calc has 23 ratings behind it against 4, so its average is the more settled of the two. Written reviews split almost evenly too, at 80% and 80% positive.
A Complex Calc ships an update every 3 weeks, bcRPN every 22 months. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | A Complex Calc | bcRPN |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (23 ratings) | 4.8 (4 ratings) — better |
| Positive reviews | 80.0% of reviews | 80.0% of reviews |
| Number of ratings | 23 — better | 4 |
| Update frequency | Every 3 weeks — better | Every 22 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 10.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 28 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | Antonio Ruffolo | Paul Wilkins |
Customer experience
A Complex Calc
bcRPN
In-app purchases
A Complex Calc
No in-app purchases
bcRPN
No in-app purchases
