Comparison

COMath vs Quiz STS

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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.

About

Quiz STS

Features
Read full description

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

COMath4 screens
Quiz STS4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

COMath ships an update monthly, Quiz STS every 2 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

Scorecard2 real differences · 8 level
COMath versus Quiz STS: the parameters behind the verdict, then further details
ParameterCOMathQuiz STS
PriceFree — better$8.99
Rating4.8 (45 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings45 — better—
Update frequencyMonthly — betterEvery 2 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported—
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS15.0 — better15.6
Further details — not scored
Size89 MB9 MB
Age rating9+4+
DeveloperJianfeng Wumattia guatta

In-app purchases

None

COMath

No in-app purchases

None

Quiz STS

No in-app purchases

Questions

Is COMath free?
COMath is free to download, with no in-app purchases.
Is Quiz STS free?
Quiz STS costs $8.99, with no in-app purchases.
Do COMath or Quiz STS have ads?
COMath shows ads; Quiz STS does not.
Which is updated more often, COMath or Quiz STS?
COMath ships an update monthly, and Quiz STS every 2 months. Most recently, COMath was updated on October 24, 2026 and Quiz STS on October 17, 2026.

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