EduCATS vs Complex Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
EduCATS
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Official client for learning management system "Care About the Students" provides the following features: - Interactive calendar with the list of subjects for the selected date; - News with text-to-speech ability; - Tests passing for knowledge control and self-study; - Reading educational material by chosen subjects; - Access to downloading tasks and educational documents; - Adaptive learning which individually tells you in what order to study the material; - Radar academic performance chart; - Statistics on laboratory works and lectures in the form of marks and visiting; - Changing theme, font and language settings; - Parental control: view students statistics without login.
Complex Calc
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.
- Rectangular to exponential form conversion
- Exponential to rectangular form conversion
- Four basic operations with complex numbers
- Quick copy-paste results
- Auto dark mode
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My features are: — On fly conversion from rectangular form to exponential and vise versa — Four most demanded operations with complex numbers — Quick copy-paste from result to the next operation — Auto dark mode
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | EduCATS | Complex Calc |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 7 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 57 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Ilya Lehchylin | Yevhen Pyvovarov |
In-app purchases
EduCATS
No in-app purchases
Complex Calc
No in-app purchases
