# A Complex Calc vs Calccis

The clearest difference is iOS requirement: A Complex Calc at 10.0 against Calccis's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | A Complex Calc | Calccis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (23 ratings)](https://appshunter.io/ios/app/a-complex-calc/id1372571548/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 28 MB | 1 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Ruffolo](https://appshunter.io/developer/1372571547) | [Jukka Aittola](https://appshunter.io/developer/1676073314) |

## What reviewers say

### A Complex Calc

[App page](https://appshunter.io/ios/app/a-complex-calc/id1372571548)

Perform complex calculations with a modern, user-friendly interface. Offers both basic and scientific modes, including support for complex numbers and advanced functions. This lightweight application provides a history of computations and is completely free with no advertisements.

**Highlights:** Complex number support, Basic and Scientific modes, History of operations, Trigonometric and hyperbolic functions, Random number generation, Lightweight app size

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

**In-app purchases:** none


### Calccis

[App page](https://appshunter.io/ios/app/calccis/id6446233205)

**In-app purchases:** none


## Frequently asked questions

### Is A Complex Calc free?

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

### Is Calccis free?

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

### Do A Complex Calc or Calccis have ads?

Neither A Complex Calc nor Calccis shows ads.

### Which is updated more often, A Complex Calc or Calccis?

A Complex Calc ships an update every 3 weeks, and Calccis every 3 weeks. Most recently, A Complex Calc was updated on October 14, 2026 and Calccis on September 12, 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.*