Comparison

PDE Pro Database Engineer vs Countries 195

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

Head to head
About

PDE Pro Database Engineer

Features
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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

Countries 195

Features
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Countries 195 makes learning the world feel like a game. Learn all 195 countries and build connections between the facts that matter: Japan β†’ Tokyo β†’ Japanese Yen β†’ Japanese β†’ JP β†’ JPN β†’ +81 β†’ Asia β†’ UTC+9 Explore flags, capitals, populations, currencies, languages, country codes, regions and world time β€” then reinforce what you know through quick quizzes, flashcards and challenges. LEARN THE WORLD Explore all 195 countries in one searchable collection. Search by country, capital, currency, language, code or time zone and quickly discover the information connected to each place. MASTER THE ESSENTIALS Learn and practise: β€’ Countries and flags β€’ Capital cities β€’ Population β€’ Currencies and currency codes β€’ Languages β€’ ISO country codes β€’ International calling codes β€’ Internet country domains β€’ Continents and regions β€’ UTC offsets and time zones PLAY TO REMEMBER Turn geography into quick challenges with: β€’ Flag Sprint β€’ Country Chain β€’ Capital Match β€’ Capital Rush β€’ Which Country? β€’ Population Challenge β€’ Time Traveller Practise both directions β€” recognise a country from its flag, find a country from its capital, identify currencies, compare populations and calculate the time around the world. UNDERSTAND WORLD TIME Learn UTC offsets, common time-zone abbreviations, seasonal clock changes and the International Date Line. Time Traveller asks practical questions such as: β€œIf it’s 09:00 in London, what time is it in Tokyo?” BUILD MASTERY Countries 195 tracks what you have seen, what needs more practice and what you have mastered across different skills. Your goal is simple: 195 countries. One world. Learn them all. No account required. Learn at your own pace and watch your mastery of the world grow.

Screenshots

PDE Pro Database Engineer3 screens
Countries 1954 screens

Verdict

The call

The clearest difference is price: PDE Pro Database Engineer at Free against Countries 195's $1.99. PDE Pro Database Engineer also leads on iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

PDE Pro Database Engineer is free to download; Countries 195 costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences Β· 4 level
PDE Pro Database Engineer versus Countries 195: the parameters behind the verdict, then further details
ParameterPDE Pro Database EngineerCountries 195
PriceFree β€” better$1.99
Update frequencyEvery 3 monthsβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.0 β€” better17.0
Further details β€” not scored
Size30 MB1 MB
Age rating4+4+
DeveloperDavy RaittThomas Richardson

In-app purchases

None

PDE Pro Database Engineer

No in-app purchases

None

Countries 195

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 Countries 195 free?
Countries 195 costs $1.99, with no in-app purchases.
Do PDE Pro Database Engineer or Countries 195 have ads?
Neither PDE Pro Database Engineer nor Countries 195 shows ads.

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