# A Complex Calc vs ZCalcIt

The clearest difference is update cadence: A Complex Calc at every 4 weeks against ZCalcIt's every 11 months. ZCalcIt's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

A Complex Calc ships an update every 4 weeks, ZCalcIt every 11 months. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | A Complex Calc | ZCalcIt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24 ratings)](https://appshunter.io/ios/app/a-complex-calc/id1372571548/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 11 months |
| Monetization | Free | — |
| Size | 8 MB | 7 MB |
| Requires iOS | 18.0 | **17.2** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Antonio Ruffolo](https://appshunter.io/developer/1372571547) | [Zynergy Apps](https://appshunter.io/developer/1565381898) |

## 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


### ZCalcIt

[App page](https://appshunter.io/ios/app/zcalcit/id1660452783)

**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 ZCalcIt free?

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

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

Neither A Complex Calc nor ZCalcIt shows ads.

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

A Complex Calc ships an update every 4 weeks, and ZCalcIt every 11 months. Most recently, A Complex Calc was updated on October 25, 2026 and ZCalcIt on October 5, 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.*