GanKomplex vs ExpressEnglish Academy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GanKomplex
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This app consists of a series of complex number exercises referring to the following topics: Complex number addition, subtraction, multiplication, and division operations. Forms: rectangular, polar, exponential, and trigonometric. The solved exercises have solution development and comments on the procedures. The proposed exercises have step-by-step resolution. Extra exercises may be available online, subject to availability of technical conditions. They will be displayed after the last exercise available in the installation and displayed in the summary. (*) This app may display advertisements during its use.
ExpressEnglish Academy
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Learn how to think in English and immerse yourself in English on a daily basis, so you can practice English and correct yourself all week long.
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Verdict
The clearest difference is in-app purchases: GanKomplex at none against ExpressEnglish Academy's 1. ExpressEnglish Academy's advantage is ads (none vs shown) and update cadence (every 5 weeks vs every 6 months). On price and device support 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. ExpressEnglish Academy sells 1 one-off in-app purchase. GanKomplex asks for nothing beyond the download.
GanKomplex ships an update every 6 months, ExpressEnglish Academy every 5 weeks. The most recent releases landed on October 27, 2026 and October 9, 2026 respectively.
| Parameter | GanKomplex | ExpressEnglish Academy |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.2 — better |
| Further details — not scored | ||
| Size | 14 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | Everton Borges | English Express LTD |
In-app purchases
GanKomplex
No in-app purchases
ExpressEnglish Academy
- TestDrive$99.99
Questions
Is GanKomplex free?
Is ExpressEnglish Academy free?
Do GanKomplex or ExpressEnglish Academy have ads?
Which is updated more often, GanKomplex or ExpressEnglish Academy?
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