Scratch Tutorial vs CertPrep
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scratch Tutorial
This app offers an innovative, step-by-step programming course designed for children aged 4-14. It uses engaging content to foster a love for coding and allows kids to create their own games while learning fundamental programming concepts.
- Step-by-step programming guidance
- Interactive learning system
- Create own programming games
- Courses designed by experts
- Gradual concept mastery
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The latest scratch course - easy to use, let children fall in love with programming. ----Innovative design intelligent system guides children to learn step by step. 4-14-year-old children can easy to accept, and they will learn as soon as they learn. ----Interesting programming courses stimulate children's interest in learning and let them design their own programming games while learning and playing. Love programming, learn to program. ----Senior program designer and educator cooperate to design the course, and gradually master the programming concept from shallow to deep. New intelligent programming course, open the road of children's programming enlightenment!
CertPrep
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Scrum PSM Cert Companion is your all-in-one study tool for the Professional Scrum Master I (PSM I) certification exam. PASSIVE LEARNING Receive Scrum PSM I questions throughout your day via notifications. Set how many per day and your preferred time window. Build certification knowledge during commutes, breaks, and downtime without opening the app. PRACTICE YOUR WAY Choose how many questions per session and study at your own pace. Every question includes a detailed explanation so you understand the concept, not just memorize the answer. 440+ questions covering Scrum framework, roles, events, artifacts, and values. REALISTIC MOCK EXAMS Simulate the real exam with 80 questions and a 85% pass mark. Choose from three modes: - Timed: 60 minutes, just like the real exam - Untimed: No time pressure, focus on accuracy - Sudden Death: One wrong answer and it's over Answers are hidden until you finish, then reviewed with full explanations. SMART ANALYTICS Track your accuracy, streaks, study time, and score trends. See your most missed questions and weakest topics so you know exactly where to focus. PRIVACY FIRST No accounts, no servers, no tracking. All your data stays on your device. Zero data collection. PREMIUM Free version includes 10 practice questions per session and 1 passive learning question per day. Upgrade once to unlock unlimited practice, extra passive learning, hide mastered questions, and practice most missed questions. No subscription — pay once, keep forever. This app is not affiliated with, endorsed by, or sponsored by Scrum.org or the Scrum Alliance. Professional Scrum Master and PSM are trademarks of Scrum.org. All content is independently authored for educational purposes.
Screenshots
Verdict
The clearest difference is device support: Scratch Tutorial at 4 against CertPrep's 1. Scratch Tutorial also leads on iOS requirement (12.0 vs 17.0). On price, ads and in-app purchases 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
Both are free to download. Scratch Tutorial sells 1 one-off in-app purchase and CertPrep sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | Scratch Tutorial | CertPrep |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (4.6K ratings) — better | — |
| Positive reviews | 34.6% of reviews | — |
| Number of ratings | 4.6K — better | — |
| Update frequency | Every 4 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 254 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | 海涛 赵 | Jan Roldan Hernandez |
Bugs and requests
Scratch Tutorial
Reported bugs
2 issues- Lessons get stuck or freeze
- Inability to edit or correct mistakes
Requested features
3 requests- Allow more free-form coding
- Improve compatibility with latest Scratch version
- Add more game-making options
CertPrep
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Scratch Tutorial
- Scratch lessons$4.99
CertPrep
- Scrum PSM Premium$3.99
Questions
Is Scratch Tutorial free?
Is CertPrep free?
Do Scratch Tutorial or CertPrep have ads?
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