# Fast Equation Plus vs Calc Deluxe

The clearest difference is update cadence: Calc Deluxe at every 4 days against Fast Equation Plus's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Fast Equation Plus costs $0.99 and Calc Deluxe $1.49 up front. Neither carries in-app purchases, so what you see is what you pay.

Fast Equation Plus ships an update every 6 months, Calc Deluxe every 4 days. The most recent releases landed on October 29, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Fast Equation Plus | Calc Deluxe |
| --- | --- | --- |
| Price | **$0.99** | $1.49 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calc-deluxe/id6466559834/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | — | Paid |
| Size | 3 MB | 4 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple Watch** | iPhone, iPad, Mac, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [a Rausa](https://appshunter.io/developer/638439637) | [stephen feggeler](https://appshunter.io/developer/812822054) |

## What reviewers say

### Fast Equation Plus

[App page](https://appshunter.io/ios/app/fast-equation-plus/id887161077)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


### Calc Deluxe

[App page](https://appshunter.io/ios/app/calc-deluxe/id6466559834)

A user-friendly scientific calculator that displays equations and running totals. It offers convenient deletion options for characters or the entire equation. Purchase once for access on iPhone, iPad, Mac, and Apple Watch.

**Highlights:** Equation display, Running total, Character deletion, Clear entire equation, Cross-device compatibility

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fast Equation Plus free?

Fast Equation Plus costs $0.99, with no in-app purchases.

### Is Calc Deluxe free?

Calc Deluxe costs $1.49, with no in-app purchases.

### Do Fast Equation Plus or Calc Deluxe have ads?

Neither Fast Equation Plus nor Calc Deluxe shows ads.

### Which is updated more often, Fast Equation Plus or Calc Deluxe?

Fast Equation Plus ships an update every 6 months, and Calc Deluxe every 4 days. Most recently, Fast Equation Plus was updated on October 29, 2026 and Calc Deluxe on September 22, 2026.

---

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