COMath vs Quiz STS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
COMath
This app acts as a personal math tutor, offering support and practice for arithmetic, algebra, and geometry. It provides over 100,000 word problems with step-by-step solutions and an equation solver to help students develop their math skills.
- Personalized math tutoring
- Arithmetic practice (addition, subtraction, multiplication, division)
- Over 100,000 math word problems
- Step-by-step equation solving
- Algebra and geometry support
- Practice without pencils
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COMath is a fun math and brain-training app for students and puzzle lovers of all ages. - Practice addition, subtraction, multiplication, and division - Solve 100,000+ math word problems with explanations - Learn algebra step by step with the equation solver - Enjoy number puzzles like Sudoku, Calcudoku, Fillomino, Minesweeper, Calculate 24, and more Practice math, sharpen logic, and enjoy solving challenges anytime, anywhere.
Quiz STS
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Preparati all’esame STS-02 BVLOS per operazioni con droni in scenario standard avanzato con un’app pratica, mirata e disponibile anche offline. Quiz STS-02 BVLOS Droni ti aiuta ad allenarti con quiz, simulazioni d’esame, correzione immediata e statistiche sui progressi. L’app dà più spazio agli argomenti dove commetti più errori, così puoi ripassare in modo più efficace. Cosa trovi nell’app: - Quiz per la preparazione all’esame STS-02 BVLOS - Modalità allenamento con correzione istantanea - Test veloce con domande casuali - Simulazione d’esame teorico - Statistiche di miglioramento e completamento - Ripasso intelligente degli argomenti più critici - Spiegazioni con intelligenza artificiale - Funzionamento offline su iPhone e iPad Materie incluse: Crew Resource Management, gestione delle comunicazioni aeronautiche e SORA, Specific Operations Risk Assessment. Ideale per piloti UAS che vogliono prepararsi allo scenario STS-02 BVLOS con metodo, continuità e strumenti sempre a portata di mano.
Screenshots
Verdict
The clearest difference is price: COMath at Free against Quiz STS's $8.99. Quiz STS's advantage is ads (none vs shown). On update cadence, in-app purchases, device support and iOS requirement 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
COMath is free to download; Quiz STS costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
COMath ships an update monthly, Quiz STS every 2 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.
| Parameter | COMath | Quiz STS |
|---|---|---|
| Price | Free — better | $8.99 |
| Rating | 4.8 (45 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 45 — better | — |
| Update frequency | Monthly — better | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 89 MB | 9 MB |
| Age rating | 9+ | 4+ |
| Developer | Jianfeng Wu | mattia guatta |
In-app purchases
COMath
No in-app purchases
Quiz STS
No in-app purchases
Questions
Is COMath free?
Is Quiz STS free?
Do COMath or Quiz STS have ads?
Which is updated more often, COMath or Quiz STS?
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