# Fractions Calculator vs Prime Rush

The clearest difference is price: Prime Rush at Free against Fractions Calculator's $0.99. Prime Rush also leads on update cadence (every 3 weeks vs every 5 months). Fractions Calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown).

Prime Rush is free to download; Fractions Calculator costs $0.99 up front. Prime Rush sells 1 one-off in-app purchase. Fractions Calculator asks for nothing beyond the download.

Fractions Calculator ships an update every 5 months, Prime Rush every 3 weeks. The most recent releases landed on October 6, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Fractions Calculator | Prime Rush |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/fractions-calculator/id317927596/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 41 MB | 21 MB |
| Requires iOS | **12.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Corporate Smalltalk Consulting Ltd](https://appshunter.io/developer/312622074) | [Ayumu Izumi](https://appshunter.io/developer/1822273057) |

## What reviewers say

### Fractions Calculator

[App page](https://appshunter.io/ios/app/fractions-calculator/id317927596)

Perform complex calculations with mixed fractions, decimals, and brackets. Review and email your calculation history from a digital paper tape. Supports advanced operations like exponentiation.

**Highlights:** Mixed fraction and decimal arithmetic, Support for brackets in calculations, Digital paper tape for history, Copy and email calculation results, Exponentiation calculations, Swipe to delete entries

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

**In-app purchases:** none


### Prime Rush

[App page](https://appshunter.io/ios/app/prime-rush-math-time-attack/id6755986782)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $1.99 | one-time |


## Frequently asked questions

### Is Fractions Calculator free?

Fractions Calculator costs $0.99, with no in-app purchases.

### Is Prime Rush free?

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

### Do Fractions Calculator or Prime Rush have ads?

Prime Rush shows ads; Fractions Calculator does not.

### Which is updated more often, Fractions Calculator or Prime Rush?

Fractions Calculator ships an update every 5 months, and Prime Rush every 3 weeks. Most recently, Fractions Calculator was updated on October 6, 2026 and Prime Rush on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*