# Decimal Rounding vs Dear Aunt Sally

The clearest difference is price: Dear Aunt Sally at Free against Decimal Rounding's $3.99. Dear Aunt Sally also leads on update cadence (every 2 months vs every 12 months). Decimal Rounding's advantage is rating (5.0 vs 4.7). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

Dear Aunt Sally is free to download; Decimal Rounding costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Decimal Rounding holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Decimal Rounding ships an update every 12 months, Dear Aunt Sally every 2 months. The most recent releases landed on October 8, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Decimal Rounding | Dear Aunt Sally |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/decimal-rounding/id594005395/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/dear-aunt-sally/id1577087345/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 17 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Esa Helttula](https://appshunter.io/developer/339440196) | [Neil Rohan](https://appshunter.io/developer/1522614743) |

## What reviewers say

### Decimal Rounding

[App page](https://appshunter.io/ios/app/decimal-rounding/id594005395)

This educational app helps users learn and practice rounding decimal numbers. It offers guided step-by-step problem-solving with customizable settings for a stress-free learning experience. Ideal for students and anyone needing to master decimal rounding.

**Highlights:** Learn decimal rounding, Customizable problems, Random problem generation, Step-by-step guidance, Stress-free learning environment, Adjustable interface colors and animations

**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 Decimal Rounding free?

Decimal Rounding costs $3.99, 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, Decimal Rounding or Dear Aunt Sally?

Decimal Rounding is rated higher. Decimal Rounding averages 5.0 out of 5 from 2 ratings, while Dear Aunt Sally averages 4.7 from 3 ratings.

### Do Decimal Rounding or Dear Aunt Sally have ads?

Neither Decimal Rounding nor Dear Aunt Sally shows ads.

### Which is updated more often, Decimal Rounding or Dear Aunt Sally?

Decimal Rounding ships an update every 12 months, and Dear Aunt Sally every 2 months. Most recently, Decimal Rounding was updated on October 8, 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.*