Comparison

GCP Cloud Developer Prep 2026 vs DS0

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

Head to head
About

GCP Cloud Developer Prep 2026

Features
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You ship services for a living; the Professional Cloud Developer exam checks you can do it the Google Cloud way — Cloud Run, GKE, Pub/Sub, APIs that scale. Certisimo closes the gap between writing code and passing. WHAT'S INSIDE • 353 exam-style questions across 6 practice sets, written for the Google Cloud Professional Cloud Developer exam • On the syllabus: Cloud Run, GKE, Cloud Functions, Pub/Sub, Firestore and API design PRACTICE THE WAY THE EXAM WORKS Use training mode to learn — instant feedback on every answer. Then switch to test mode: a real countdown, a final score, and a review pass over everything you skipped or missed. KNOW WHEN YOU ARE READY A readiness score computed from your own answers tracks how prepared you are, with a study tip pointing at what actually moves you forward. BUILT AROUND REAL STUDY HABITS • Favorites and personal notes on any question • Search across the whole bank in a couple of keystrokes • Session history that shows your scores climbing • Fully offline, on iPhone and iPad, light or dark — no account needed ALREADY BOUGHT THIS APP? Premium is yours — free, forever. It unlocks by itself the first time you open this update: nothing to buy, nothing to restore, no account to create. Your saved questions, your notes and your full history are all still here. GO FURTHER WITH PREMIUM Certisimo Premium unlocks the full explanation behind every answer — why the right choice wins, not just which letter it was — plus unlimited exam simulations, the complete Insights breakdown (weak, hard, new and strong questions) and an ad-free experience. • Weekly $5.99 Ā· Yearly $34.99 with a 14-day free trial Ā· Lifetime $79.99 one-time purchase Put Certisimo on your phone, and turn spare minutes into Cloud Developer readiness. Certisimo is an independent study aid and is not affiliated with, endorsed by, or sponsored by Google LLC. Weekly and Yearly Premium are auto-renewable subscriptions; Lifetime is a one-time purchase. Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple ID account, and you can manage or cancel your subscription in your App Store account settings at any time. Terms of Use: https://certisimo-app.web.app/terms Privacy Policy: https://certisimo-app.web.app/privacy

About

DS0

Features
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PASS YOUR COMPTIA DATASYS+ EXAM Master database systems and data infrastructure with 500+ practice questions designed to get you certified on your first attempt. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Data professionals earn up to $203K annually (Skillsoft 2024). CompTIA DataSys+ validates your ability to deploy, manage, and secure database environments — a credential that sets you apart in one of tech's fastest-growing fields. WHAT YOU'LL MASTER: • Relational database design with primary keys, foreign keys, and entity relationships • Normalization through 1NF, 2NF, 3NF, and BCNF with strategic denormalization techniques • NoSQL database types including document, key-value, column-family, and graph models • MongoDB document databases with collections, BSON structures, and aggregation pipelines • DynamoDB key-value stores with partition keys, sort keys, and provisioned throughput • SQL operations including joins, subqueries, aggregations, and stored procedures • ACID transaction properties for relational integrity and consistency guarantees • BASE model principles for eventually consistent distributed database architectures • CAP theorem trade-offs between consistency, availability, and partition tolerance • Database deployment across on-premises, cloud, hybrid, and containerized environments • Backup and replication strategies including full, incremental, differential, and log shipping • Business continuity planning with RTO, RPO, failover clustering, and disaster recovery • Database security with encryption at rest, encryption in transit, RBAC, and audit logging • Database scaling with vertical scaling, horizontal sharding, read replicas, and load balancing • Performance optimization through indexing strategies, query tuning, and execution plan analysis STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into database expertise. Download now. Pass your exam. Master data systems.

Screenshots

GCP Cloud Developer Prep 20264 screens
DS03 screens

Verdict

The call

The clearest difference is ads: DS0 at none against GCP Cloud Developer Prep 2026's shown. DS0 also leads on update cadence (every 3 months vs every 9 months) and iOS requirement (15.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

GCP Cloud Developer Prep 2026 ships an update every 9 months, DS0 every 3 months. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

Scorecard3 real differences Ā· 3 level
GCP Cloud Developer Prep 2026 versus DS0: the parameters behind the verdict, then further details
ParameterGCP Cloud Developer Prep 2026DS0
PriceFreeFree
Update frequencyEvery 9 monthsEvery 3 months — better
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.0 — better
Further details — not scored
Size16 MB27 MB
Age rating4+4+
DeveloperSPIDER SERVICE SRLDavy Raitt

In-app purchases

None

GCP Cloud Developer Prep 2026

No in-app purchases

None

DS0

No in-app purchases

Questions

Is GCP Cloud Developer Prep 2026 free?
GCP Cloud Developer Prep 2026 is free to download, with no in-app purchases.
Is DS0 free?
DS0 is free to download, with no in-app purchases.
Do GCP Cloud Developer Prep 2026 or DS0 have ads?
GCP Cloud Developer Prep 2026 shows ads; DS0 does not.
Which is updated more often, GCP Cloud Developer Prep 2026 or DS0?
GCP Cloud Developer Prep 2026 ships an update every 9 months, and DS0 every 3 months. Most recently, GCP Cloud Developer Prep 2026 was updated on October 16, 2026 and DS0 on October 11, 2026.

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