# Cramers Rule vs Confidence Interval Calc

The clearest difference is iOS requirement: Cramers Rule at 7.0 against Confidence Interval Calc's 13.0. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | Cramers Rule | Confidence Interval Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/cramers-rule/id898977720/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Monetization | Free | — |
| Size | 3 MB | 30 MB |
| Requires iOS | **7.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Daniel Hulmes](https://appshunter.io/developer/898977723) | [Arsosa Network Inc.](https://appshunter.io/developer/1209042440) |

## What reviewers say

### Cramers Rule

[App page](https://appshunter.io/ios/app/cramers-rule/id898977720)

This application assists users in solving systems of equations with two or three variables using Cramer's Rule. It not only provides the final answers but also displays all intermediate steps, aiding in homework and conceptual understanding.

**Highlights:** Solves systems of equations (2 or 3 variables), Provides detailed intermediate steps, Helps locate computational errors, Supports row/column expansion for 3x3 determinants, Includes video tutorials

**Features:** macOS Compatibility

**In-app purchases:** none


### Confidence Interval Calc

[App page](https://appshunter.io/ios/app/confidence-interval-calc/id6749201174)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cramers Rule free?

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

### Is Confidence Interval Calc free?

Confidence Interval Calc is free to download, with no in-app purchases.

### Do Cramers Rule or Confidence Interval Calc have ads?

Neither Cramers Rule nor Confidence Interval Calc 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.*