# Geometry Quick Reference vs Dear Aunt Sally

The clearest difference is price: Dear Aunt Sally at Free against Geometry Quick Reference's $0.99. Dear Aunt Sally also leads on update cadence (every 2 months vs every 37 months). Geometry Quick Reference's advantage is iOS requirement (12.0 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

Dear Aunt Sally is free to download; Geometry Quick Reference costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Geometry Quick Reference ships an update every 37 months, Dear Aunt Sally every 2 months. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Geometry Quick Reference | Dear Aunt Sally |
| --- | --- | --- |
| Price | $0.99 | **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 | No | No |
| Update frequency | Every 37 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 7 MB | 17 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ventura Educational Systems](https://appshunter.io/developer/371324172) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### Geometry Quick Reference

[App page](https://appshunter.io/ios/app/geometry-quick-reference/id706066085)

**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 Geometry Quick Reference free?

Geometry Quick Reference costs $0.99, with no in-app purchases.

### Is Dear Aunt Sally free?

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

### Do Geometry Quick Reference or Dear Aunt Sally have ads?

Neither Geometry Quick Reference nor Dear Aunt Sally shows ads.

### Which is updated more often, Geometry Quick Reference or Dear Aunt Sally?

Geometry Quick Reference ships an update every 37 months, and Dear Aunt Sally every 2 months. Most recently, Geometry Quick Reference was updated on October 10, 2026 and Dear Aunt Sally on October 6, 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.*