# SigiCalc vs Cubic Solver

The clearest difference is rating: SigiCalc at 5.0 against Cubic Solver's 4.0. SigiCalc also leads on ads (none vs shown) and monetization model (free vs ad-supported). Cubic Solver's advantage is update cadence (every 5 weeks vs every 48 months) and iOS requirement (12.0 vs 17.0). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SigiCalc holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews split almost evenly too, at 50% and 50% positive.

SigiCalc ships an update every 48 months, Cubic Solver every 5 weeks. The most recent releases landed on September 3, 2026 and August 27, 2026 respectively.

## The numbers

| Metric | SigiCalc | Cubic Solver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sigicalc/id522503444/reviews)** | [4.0 (2 ratings)](https://appshunter.io/ios/app/cubic-solver-graph-and-roots/id766084603/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 50.0% of reviews | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 48 months | **Every 5 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 3 MB | 11 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Siegware](https://appshunter.io/developer/443908611) | [Iaroslav Mironov](https://appshunter.io/developer/640082786) |

## What reviewers say

### SigiCalc

[App page](https://appshunter.io/ios/app/sigicalc/id522503444)

This app provides a graphical RPN calculator with an undo feature. Users can input mathematical equations and instantly visualize them with a plot. It's designed for simplicity and practicality in mathematical calculations.

**Highlights:** Graphical RPN calculator, Equation plotting, Undo functionality, Simple interface, Practical calculations

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Cubic Solver

[App page](https://appshunter.io/ios/app/cubic-solver-graph-and-roots/id766084603)

This interactive tool helps you visualize and understand cubic functions by building graphs and solving equations. Explore how coefficients impact the graph and deepen your understanding of cubic equations.

**Highlights:** Interactive cubic function graphing, Solve cubic equations, Visualize coefficient impact on graphs, Understand cubic function properties

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SigiCalc free?

SigiCalc is free to download, with no in-app purchases.

### Is Cubic Solver free?

Cubic Solver is free to download, with no in-app purchases.

### Which has better reviews, SigiCalc or Cubic Solver?

SigiCalc is rated higher. SigiCalc averages 5.0 out of 5 from 1 ratings, while Cubic Solver averages 4.0 from 2 ratings.

### Do SigiCalc or Cubic Solver have ads?

Cubic Solver shows ads; SigiCalc does not.

### Which is updated more often, SigiCalc or Cubic Solver?

SigiCalc ships an update every 48 months, and Cubic Solver every 5 weeks. Most recently, SigiCalc was updated on September 3, 2026 and Cubic Solver on August 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*