# Calc Pro vs Calcu Plus

The clearest difference is in-app purchases: Calc Pro at none against Calcu Plus's 1. Calcu Plus's advantage is update cadence (every 11 days vs monthly) and iOS requirement (16.1 vs 18.0). On price and device support there is nothing between them.

Both are free to download. Calcu Plus sells 1 one-off in-app purchase. Calc Pro asks for nothing beyond the download.

Calc Pro ships an update monthly, Calcu Plus every 11 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Calc Pro | Calcu Plus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Ad-supported | — |
| Size | 8 MB | 2 MB |
| Requires iOS | 18.0 | **16.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Keita Nonaka](https://appshunter.io/developer/1252557006) | [Jaspreet Singh](https://appshunter.io/developer/1128027430) |

## What reviewers say

### Calc Pro

[App page](https://appshunter.io/ios/app/calc-pro-simple-and-useful/id1444681142)

This powerful calculator handles complex equations and huge numbers with up to 15 digits of precision. It saves your calculation history, allowing you to reuse previous equations and answers. Access scientific functions like square root and logarithms easily with a swipe.

**Highlights:** Complex calculations, Huge number handling, Calculation history, Scientific functions, Dark Mode, Copy answer

**Features:** macOS Compatibility

**In-app purchases:** none


### Calcu Plus

[App page](https://appshunter.io/ios/app/calcu-plus/id6445866169)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Get All Themes | $3.99 | one-time |


## Frequently asked questions

### Is Calc Pro free?

Calc Pro is free to download, with no in-app purchases.

### Is Calcu Plus free?

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

### Which is updated more often, Calc Pro or Calcu Plus?

Calc Pro ships an update monthly, and Calcu Plus every 11 days. Most recently, Calc Pro was updated on October 24, 2026 and Calcu Plus on October 18, 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.*