Comparison

Addition Skill Builders vs SCS

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

Head to head
About

Addition Skill Builders

Features
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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

About

SCS

Features
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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.

Screenshots

Addition Skill Builders4 screens
SCS3 screens

Verdict

The call

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences ยท 3 level
Addition Skill Builders versus SCS: the parameters behind the verdict, then further details
ParameterAddition Skill BuildersSCS
Price$2.99Free โ€” better
Update frequencyEvery 28 monthsEvery 3 months โ€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better15.0
Further details โ€” not scored
Size19 MB28 MB
Age rating4+4+
DeveloperSergey MaluginDavy Raitt

In-app purchases

None

Addition Skill Builders

No in-app purchases

None

SCS

No in-app purchases

Questions

Is Addition Skill Builders free?
Addition Skill Builders costs $2.99, with no in-app purchases.
Is SCS free?
SCS is free to download, with no in-app purchases.
Do Addition Skill Builders or SCS have ads?
Neither Addition Skill Builders nor SCS shows ads.
Which is updated more often, Addition Skill Builders or SCS?
Addition Skill Builders ships an update every 28 months, and SCS every 3 months. Most recently, Addition Skill Builders was updated on October 31, 2026 and SCS on October 28, 2026.

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