# SigiCalc vs Guess the Graph

The clearest difference is ratings volume: Guess the Graph at 3 against SigiCalc's 1. On price, rating, ads 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.

On the App Store both sit at effectively the same score — 5.0 for SigiCalc against 5.0 for Guess the Graph. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | SigiCalc | Guess the Graph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sigicalc/id522503444/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/guess-the-graph/id6757135056/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 48 months | — |
| Monetization | Free | Free |
| Size | 3 MB | 4 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [Siegware](https://appshunter.io/developer/443908611) | [Tianze Guan](https://appshunter.io/developer/1864804675) |

## 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


### Guess the Graph

[App page](https://appshunter.io/ios/app/guess-the-graph/id6757135056)

This educational app helps students understand mathematical functions by analyzing and reconstructing graphs. It offers interactive challenges with real-time visual feedback, supporting various difficulty levels and function types.

**Highlights:** Interactive graph analysis, Function reconstruction challenges, Real-time graph updates, Multiple difficulty levels, Custom math input interface, Built-in cheat sheet

**In-app purchases:** none


## Frequently asked questions

### Is SigiCalc free?

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

### Is Guess the Graph free?

Guess the Graph is free to download, with no in-app purchases.

### Which has better reviews, SigiCalc or Guess the Graph?

SigiCalc and Guess the Graph are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do SigiCalc or Guess the Graph have ads?

Neither SigiCalc nor Guess the Graph shows ads.

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