Comparison

PDE Pro Database Engineer vs Froggy Flex

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

Head to head
About

PDE Pro Database Engineer

Features
Read full description

PASS YOUR PROFESSIONAL CLOUD DATABASE ENGINEER EXAM 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Certified Google Cloud database engineers earn up to $203K annually (Skillsoft 2024). Professional Cloud Database Engineer validates expertise in designing, managing, and troubleshooting scalable database solutions. WHAT YOU'LL MASTER: Database capacity planning and performance tuning High availability with multi-regional and zonal strategies Database connectivity with networking and encryption Managed vs unmanaged services comparison SQL and NoSQL requirements for structured and unstructured data IAM and access management for database security Monitoring with query optimization and resource contention Backup and recovery with RTO, RPO, and PITR Cost optimization and scaling strategies Database migration with zero-downtime and fallback plans Replication strategies and read replicas Generative AI and LLM database use cases STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into database engineering expertise. Download now. Pass your exam. Master Google Cloud databases.

About

Froggy Flex

Features
Read full description

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

Screenshots

PDE Pro Database Engineer3 screens
Froggy Flex4 screens

Verdict

The call

The clearest difference is price: PDE Pro Database Engineer at Free against Froggy Flex's $9.99. PDE Pro Database Engineer also leads on ads (none vs shown). On update cadence, 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

PDE Pro Database Engineer is free to download; Froggy Flex costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

PDE Pro Database Engineer ships an update every 3 months, Froggy Flex every 5 months. Both last shipped on October 15, 2026.

Scorecard2 real differences ยท 4 level
PDE Pro Database Engineer versus Froggy Flex: the parameters behind the verdict, then further details
ParameterPDE Pro Database EngineerFroggy Flex
PriceFree โ€” better$9.99
Update frequencyEvery 3 months โ€” betterEvery 5 months
AdsNo โ€” betterYes
In-app purchasesNoNo
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS15.0 โ€” better15.1
Further details โ€” not scored
Size30 MB42 MB
Age rating4+4+
DeveloperDavy RaittMoruk LLC

In-app purchases

None

PDE Pro Database Engineer

No in-app purchases

None

Froggy Flex

No in-app purchases

Questions

Is PDE Pro Database Engineer free?
PDE Pro Database Engineer is free to download, with no in-app purchases.
Is Froggy Flex free?
Froggy Flex costs $9.99, with no in-app purchases.
Do PDE Pro Database Engineer or Froggy Flex have ads?
Froggy Flex shows ads; PDE Pro Database Engineer does not.
Which is updated more often, PDE Pro Database Engineer or Froggy Flex?
PDE Pro Database Engineer ships an update every 3 months, and Froggy Flex every 5 months. Most recently, PDE Pro Database Engineer was updated on October 15, 2026 and Froggy Flex on October 15, 2026.

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