# Chalkboard Math PEMDAS vs Dear Aunt Sally

The clearest difference is review sentiment: Dear Aunt Sally at 100% against Chalkboard Math PEMDAS's 50%. Dear Aunt Sally also leads on rating (4.7 vs 2.6). Chalkboard Math PEMDAS's advantage is ratings volume (9 vs 3) and iOS requirement (9.0 vs 16.0). On price, update cadence, 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.

Dear Aunt Sally holds the better App Store score, 4.7 against 2.6. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 50% of Chalkboard Math PEMDAS's written reviews are positive against 100% of Dear Aunt Sally's.

Chalkboard Math PEMDAS ships an update every 3 months, Dear Aunt Sally every 2 months. Both last shipped on October 23, 2026.

## The numbers

| Metric | Chalkboard Math PEMDAS | Dear Aunt Sally |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (9 ratings)](https://appshunter.io/ios/app/chalkboard-math-pemdas/id731267921/reviews) | **[4.7 (3 ratings)](https://appshunter.io/ios/app/dear-aunt-sally/id1577087345/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 22 MB | 17 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Steven Fransen](https://appshunter.io/developer/721874658) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### Chalkboard Math PEMDAS

[App page](https://appshunter.io/ios/app/chalkboard-math-pemdas/id731267921)

This app teaches the order of operations in mathematics using a multiple-choice format with hints. It covers essential operations like addition, subtraction, multiplication, division, exponents, and parentheses, even speaking the formulas aloud to aid learning.

**Highlights:** Learn PEMDAS order of operations, Multiple-choice questions, Hints for learning rules, Spoken formulas, Covers Add, Subtract, Multiply, Divide, Exponents, Parentheses

**Features:** macOS Compatibility

**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 Chalkboard Math PEMDAS free?

Chalkboard Math PEMDAS 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.

### Which has better reviews, Chalkboard Math PEMDAS or Dear Aunt Sally?

Dear Aunt Sally is rated higher. Chalkboard Math PEMDAS averages 2.6 out of 5 from 9 ratings, while Dear Aunt Sally averages 4.7 from 3 ratings.

### Do Chalkboard Math PEMDAS or Dear Aunt Sally have ads?

Neither Chalkboard Math PEMDAS nor Dear Aunt Sally shows ads.

### Which is updated more often, Chalkboard Math PEMDAS or Dear Aunt Sally?

Chalkboard Math PEMDAS ships an update every 3 months, and Dear Aunt Sally every 2 months. Most recently, Chalkboard Math PEMDAS was updated on October 23, 2026 and Dear Aunt Sally on October 23, 2026.

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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.*