Comparison

Unlimited Math Problems vs CSSLP Secure Software Practice

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

Head to head
About

Unlimited Math Problems

Master your math skills with an app that generates an endless supply of practice problems. It offers various interaction types and covers multiple math subjects, suitable for all skill levels.

Highlights
  • Infinite problem generation
  • Keyboard, multiple choice, true/false inputs
  • Varied problem types per subject
  • Covers early math, arithmetic, fractions, number theory, decimals, trigonometry
  • Suitable for beginners and experienced users
Features
Read full description

Unlimited Math Problems is an app that helps you master your mathematical skills. This app takes a different approach by generating an infinite number of math problems instead of using a limited problem set, so you won't get bored. It contains different interactions, such as keyboard input, multiple choice, and true/false. You can choose from different variations of problems for each topic, making this app useful for both beginners and experienced users. The app contains the following subjects: Early math, Arithmetic, Fraction, Number theory, Decimal and Trigonometry. We're looking forward for your feedback and suggestions. https://www.facebook.com/mathproblemsapp Credits: - Correct animation by Chethan K V S at lottiefiles.com - Wrong animation by Chethan K V S at lottiefiles.com

About

CSSLP Secure Software Practice

Features
Read full description

PASS YOUR ISC2 CERTIFIED SECURE SOFTWARE LIFECYCLE PROFESSIONAL EXAM Master secure software development with 500+ practice questions designed to build real-world application security expertise. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Certified Secure Software Lifecycle Professional holders earn up to $203K annually (Skillsoft 2024). Join elite security professionals who architect, develop, and deploy software that withstands modern cyber threats. WHAT YOU'LL MASTER: • CIA Triad: Confidentiality, Integrity, and Availability principles • Bell-LaPadula and Biba security models for access control • Clark-Wilson integrity model for transaction security • STRIDE threat modeling: Spoofing, Tampering, Repudiation, Information Disclosure, DoS, Elevation • PASTA and VAST risk-centric threat modeling methodologies • Secure software architecture patterns and design principles • AAA framework: Authentication, Authorization, and Accounting • Defense in Depth with layered security controls • Least Privilege and separation of duties implementation • Microsoft SDL: Security Development Lifecycle phases • Risk management calculations: SLE, ALE, and ARO • DREAD rating system for threat prioritization • Secure software supply chain management • Software deployment, operations, and maintenance security • Non-repudiation using digital signatures and certificates STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into secure software development expertise. Download now. Pass your exam. Master application security.

Screenshots

Unlimited Math Problems4 screens
CSSLP Secure Software Practice3 screens

Verdict

The call

The clearest difference is price: CSSLP Secure Software Practice at Free against Unlimited Math Problems's $5.99. CSSLP Secure Software Practice also leads on iOS requirement (15.0 vs 17.0). Unlimited Math Problems's advantage is in-app purchases (none vs 3) and update cadence (every 3 weeks vs every 3 months). On ads and device support 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

CostPrice · In-app purchases · Ads · Monetization

CSSLP Secure Software Practice is free to download; Unlimited Math Problems costs $5.99 up front. CSSLP Secure Software Practice sells 3 in-app purchases, starting at $3.99 per month. Unlimited Math Problems asks for nothing beyond the download.

UpkeepUpdate frequency

Unlimited Math Problems ships an update every 3 weeks, CSSLP Secure Software Practice every 3 months. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
Unlimited Math Problems versus CSSLP Secure Software Practice: the parameters behind the verdict, then further details
ParameterUnlimited Math ProblemsCSSLP Secure Software Practice
Price$5.99Free — better
Rating4.5 (53 ratings) — better—
Positive reviews64.3% of reviews—
Number of ratings53 — better—
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size17 MB30 MB
Age rating4+4+
DeveloperMadiyar AitbayevDavy Raitt

In-app purchases

None

Unlimited Math Problems

No in-app purchases

3 purchases

CSSLP Secure Software Practice

Subscriptions2
  • Pro Monthly$3.991 Month
  • Pro Yearly7 Days trial$14.991 Year
One-time1
  • Pro Lifetime$19.99

Questions

Is Unlimited Math Problems free?
Unlimited Math Problems costs $5.99, with no in-app purchases.
Is CSSLP Secure Software Practice free?
CSSLP Secure Software Practice is free to download, with in-app purchases available.
Do Unlimited Math Problems or CSSLP Secure Software Practice have ads?
Neither Unlimited Math Problems nor CSSLP Secure Software Practice shows ads.
Which is updated more often, Unlimited Math Problems or CSSLP Secure Software Practice?
Unlimited Math Problems ships an update every 3 weeks, and CSSLP Secure Software Practice every 3 months. Most recently, Unlimited Math Problems was updated on October 24, 2026 and CSSLP Secure Software Practice on October 8, 2026.

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