Addition Skill Builders vs SCS
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Addition Skill Builders
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Improve your addition skills with Addition Skill Builders! Powered by natural handwriting input, this app transforms traditional practice into an engaging experience. It offers two modes: Math Trainer โ a simple whiteboard where you can write your answers at your own pace. Math mini games โ dive into 5 fun and engaging mini games with adaptive difficulty that challenge and motivate you at every level. With Addition Skill Builders you can practice and improve the following math skills: - Adding 1 - Adding 2 - Adding 3 - Adding 4 - Adding 5 - Adding 6 - Adding 7 - Adding 8 - Adding 9 - Adding 10
SCS
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PASS YOUR AWS SECURITY SPECIALTY 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 AWS security specialists earn up to $203K annually (Skillsoft 2024). SCS-C03 validates expertise in securing AWS workloads and implementing comprehensive security controls. WHAT YOU'LL MASTER: Detection with GuardDuty, Security Hub, Macie, and Security Lake Logging solutions with CloudTrail, CloudWatch, and log analysis Incident response automation with Systems Manager and Step Functions Network edge security with WAF, Shield Advanced, and CloudFront Compute security with EC2 hardening, Inspector, and vulnerability scanning Network controls with security groups, NACLs, and Network Firewall Authentication with IAM Identity Center, Cognito, and MFA Authorization with IAM policies, ABAC, RBAC, and least privilege Data encryption with KMS, CloudHSM, and inter-resource encryption Secrets management with Secrets Manager and key rotation Organizations governance with Control Tower and SCPs Compliance with Config, Audit Manager, and security assessments STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into AWS security expertise. Download now. Pass your exam. Master AWS security.
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Verdict
The clearest difference is price: SCS at Free against Addition Skill Builders's $2.99. SCS also leads on update cadence (every 3 months vs every 28 months). Addition Skill Builders's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support 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
SCS is free to download; Addition Skill Builders costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Addition Skill Builders ships an update every 28 months, SCS every 3 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.
| Parameter | Addition Skill Builders | SCS |
|---|---|---|
| Price | $2.99 | Free โ better |
| Update frequency | Every 28 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 โ better | 15.0 |
| Further details โ not scored | ||
| Size | 19 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Sergey Malugin | Davy Raitt |
In-app purchases
Addition Skill Builders
No in-app purchases
SCS
No in-app purchases
Questions
Is Addition Skill Builders free?
Is SCS free?
Do Addition Skill Builders or SCS have ads?
Which is updated more often, Addition Skill Builders or SCS?
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