# Math101 Sketchy vs Dear Aunt Sally

The clearest difference is ads: Dear Aunt Sally at none against Math101 Sketchy's shown. Math101 Sketchy's advantage is iOS requirement (13.0 vs 16.0). On price, 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 | Math101 Sketchy | Dear Aunt Sally |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/dear-aunt-sally/id1577087345/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Monetization | — | Free |
| Size | 9 MB | 17 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Emrah Korkmaz](https://appshunter.io/developer/1485564066) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### Math101 Sketchy

[App page](https://appshunter.io/ios/app/math101-sketchy/id1574055078)

**Features:** Vision Pro support

**In-app purchases:** none


### Dear Aunt Sally

[App page](https://appshunter.io/ios/app/dear-aunt-sally/id1577087345)

This app teaches the order of operations (PEMDAS) using interactive modes. It helps students and programmers understand mathematical expression solving step-by-step, with a quiz feature for practice.

**Highlights:** Step-by-step expression analysis, Shunt Yard algorithm explanation, SOLVE mode for freehand entry, QUIZ mode with random expression generation, Stack/Queue dynamics visualization, Customizable quiz parameters

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

**In-app purchases:** none


## Frequently asked questions

### Is Math101 Sketchy free?

Math101 Sketchy is free to download, with no in-app purchases.

### Is Dear Aunt Sally free?

Dear Aunt Sally is free to download, with no in-app purchases.

### Do Math101 Sketchy or Dear Aunt Sally have ads?

Math101 Sketchy shows ads; Dear Aunt Sally does not.

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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.*