Comparison

Froggy Flex vs Greatest Common Divisor PRO

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

Head to head
About

Froggy Flex

Features
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Froggy Flex teaches CSS Flexbox through 24 interactive puzzles. Write real flex styles in an in-app editor to guide colorful frogs onto their lilypads โ€” no setup, no browser, just hands-on layout practice on your phone. Perfect for students learning web layout, bootcamp grads brushing up, and working developers who want a quick flex refresher on the go. Features โ€ข 24 progressively harder levels covering justify-content, align-items, flex-direction, flex-wrap, order, flex-grow, align-self, and more โ€ข Live code editor with instant visual feedback โ€ข Plain-English explanations for every property โ€ข Offline โ€” works anywhere, no account required โ€ข Clean, distraction-free interface

About

Greatest Common Divisor PRO

Features
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Finish your homework instantly. Prepare for exams without stress. Complete step-by-step solutions. Enter your numbers and calculate the greatest common divisor (GCD). HOW IT WORKS Enter your numbers into the appropriate fields and get started. You'll receive the solution instantly and can share it with friends or classmates. YOUR PERSONAL DATA We don't need it. Only anonymous data is collected, for example: - which features are used - how many solutions are generated This helps us improve the app. It is not possible to identify you from this data. EXTRAS - Prime factorization - Using divisors - Euclidean algorithm - Curated learning videos - Feedback for incorrect input - Manage your own solutions - App introduction CONTACT Questions and feedback are always welcome via Discord or directly in the app review.

Screenshots

Froggy Flex4 screens
Greatest Common Divisor PRO4 screens

Verdict

The call

The clearest difference is price: Greatest Common Divisor PRO at $1.99 against Froggy Flex's $9.99. Greatest Common Divisor PRO also leads on ads (none vs shown) and update cadence (every 5 weeks vs every 5 months). On in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Froggy Flex costs $9.99 and Greatest Common Divisor PRO $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Froggy Flex ships an update every 5 months, Greatest Common Divisor PRO every 5 weeks. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

Scorecard3 real differences ยท 3 level
Froggy Flex versus Greatest Common Divisor PRO: the parameters behind the verdict, then further details
ParameterFroggy FlexGreatest Common Divisor PRO
Price$9.99$1.99 โ€” better
Update frequencyEvery 5 monthsEvery 5 weeks โ€” better
AdsYesNo โ€” better
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod โ€” better
Requires iOS15.115.0 โ€” better
Further details โ€” not scored
Size42 MB179 MB
Age rating4+4+
DeveloperMoruk LLCGlindemann, Sennoun, Langer GbR

In-app purchases

None

Froggy Flex

No in-app purchases

None

Greatest Common Divisor PRO

No in-app purchases

Questions

Is Froggy Flex free?
Froggy Flex costs $9.99, with no in-app purchases.
Is Greatest Common Divisor PRO free?
Greatest Common Divisor PRO costs $1.99, with no in-app purchases.
Do Froggy Flex or Greatest Common Divisor PRO have ads?
Froggy Flex shows ads; Greatest Common Divisor PRO does not.
Which is updated more often, Froggy Flex or Greatest Common Divisor PRO?
Froggy Flex ships an update every 5 months, and Greatest Common Divisor PRO every 5 weeks. Most recently, Froggy Flex was updated on October 24, 2026 and Greatest Common Divisor PRO on October 29, 2026.

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