# EduCATS vs Complex Calc

The clearest difference is iOS requirement: EduCATS at 8.0 against Complex Calc's 12.0. 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.

EduCATS ships an update every 7 months, Complex Calc every 6 months. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | EduCATS | Complex Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/complex-calc/id1547989979/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 6 months** |
| Monetization | — | Free |
| Size | 57 MB | 12 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ilya Lehchylin](https://appshunter.io/developer/1505738730) | [Yevhen Pyvovarov](https://appshunter.io/developer/1547989981) |

## What reviewers say

### EduCATS

[App page](https://appshunter.io/ios/app/educats/id1505738731)

**Features:** macOS Compatibility

**In-app purchases:** none


### Complex Calc

[App page](https://appshunter.io/ios/app/complex-calc/id1547989979)

Perform advanced calculations with complex numbers, including conversions between rectangular and exponential forms. Features quick copy-paste functionality and automatic dark mode for a seamless user experience.

**Highlights:** Rectangular to exponential form conversion, Exponential to rectangular form conversion, Four basic operations with complex numbers, Quick copy-paste results, Auto dark mode

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is EduCATS free?

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

### Is Complex Calc free?

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

### Do EduCATS or Complex Calc have ads?

Neither EduCATS nor Complex Calc shows ads.

### Which is updated more often, EduCATS or Complex Calc?

EduCATS ships an update every 7 months, and Complex Calc every 6 months. Most recently, EduCATS was updated on October 5, 2026 and Complex Calc on October 2, 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.*