# Fraction Help Calculator vs CoolCalc

The clearest difference is price: CoolCalc at Free against Fraction Help Calculator's $2.99. CoolCalc also leads on update cadence (fortnightly vs every 13 months). Fraction Help Calculator's advantage is in-app purchases (none vs 3) and ratings volume (12 vs 1). On rating and ads there is nothing between them.

CoolCalc is free to download; Fraction Help Calculator costs $2.99 up front. CoolCalc sells 3 in-app purchases, starting at $4.99 per month. Fraction Help Calculator asks for nothing beyond the download.

CoolCalc holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Fraction Help Calculator has 12 ratings behind it against 1, so its average is the more settled of the two.

Fraction Help Calculator ships an update every 13 months, CoolCalc fortnightly. The most recent releases landed on November 1, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Fraction Help Calculator | CoolCalc |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [4.8 (12 ratings)](https://appshunter.io/ios/app/fraction-help-calculator/id413490922/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/coolcalc-hvac-tools/id6773545951/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 31 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Armchair Engineering](https://appshunter.io/developer/398901339) | [杰 陈](https://appshunter.io/developer/1746018277) |

## What reviewers say

### Fraction Help Calculator

[App page](https://appshunter.io/ios/app/fraction-help-calculator/id413490922)

This utility app simplifies fraction calculations and provides step-by-step solutions for addition, subtraction, multiplication, and division. It also facilitates conversions between decimals and fractions, and helps find factors of numbers.

**Highlights:** Solve fraction equations, View detailed working, Work with mixed fractions, Convert between decimal and fraction, Find factors of numbers

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

**In-app purchases:** none


### CoolCalc

[App page](https://appshunter.io/ios/app/coolcalc-hvac-tools/id6773545951)

This app provides HVAC technicians with essential offline tools for field service. It includes PT charts, charge calculations, duct sizing, and diagnostic tools. Generate detailed PDF reports with job details, photos, and notes directly from your device.

**Highlights:** Offline PT chart lookup, Superheat and subcooling calculations, Duct sizing (round/rectangular), Airflow and psychrometric calculations, Diagnostic tools, PDF service report generation, Refrigerant service logging

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CoolCalc Pro Monthly | $4.99 | per month |
| CoolCalc Pro Yearly | $19.99 | per year |
| CoolCalc Pro Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Fraction Help Calculator free?

Fraction Help Calculator costs $2.99, with no in-app purchases.

### Is CoolCalc free?

CoolCalc is free to download, with in-app purchases available.

### Which has better reviews, Fraction Help Calculator or CoolCalc?

CoolCalc is rated higher. Fraction Help Calculator averages 4.8 out of 5 from 12 ratings, while CoolCalc averages 5.0 from 1 ratings.

### Do Fraction Help Calculator or CoolCalc have ads?

Neither Fraction Help Calculator nor CoolCalc shows ads.

### Which is updated more often, Fraction Help Calculator or CoolCalc?

Fraction Help Calculator ships an update every 13 months, and CoolCalc fortnightly. Most recently, Fraction Help Calculator was updated on November 1, 2026 and CoolCalc on November 10, 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.*