Comparison

ISSAP Security Architecture vs Abacus Practice

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

Head to head
About

ISSAP Security Architecture

Features
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PASS YOUR CISSP-ISSAP EXAM Master enterprise security architecture with 500+ practice questions designed for ISC2's most advanced certification. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? CISSP-ISSAP professionals earn up to $203K annually (Skillsoft 2024). Join the elite tier of security architects who design and govern enterprise-wide security solutions. WHAT YOU'LL MASTER: â€ĸ NIST RMF lifecycle with SP 800-37 Rev. 2 categorization and authorization â€ĸ NIST CSF 2.0 with six core functions including GOVERN â€ĸ ISO 27001:2022 controls and ISMS implementation requirements â€ĸ TOGAF ADM phases for enterprise architecture development â€ĸ SABSA Framework attributes and security architecture layers â€ĸ Quantitative risk analysis including ALE, SLE, ARO calculations â€ĸ BCP/DR planning with RTO, RPO, MTD metrics â€ĸ STRIDE threat modeling for application security â€ĸ IAM architecture with federation, SSO, and zero trust models â€ĸ Cloud security architecture patterns for AWS, Azure, and multi-cloud â€ĸ SAST, DAST, and SCA code review methodologies â€ĸ Recovery site types including hot, warm, cold, and mobile sites â€ĸ Network segmentation with micro-segmentation and zero trust â€ĸ Security architecture modeling and framework integration â€ĸ GRC frameworks with policy, standards, and compliance mapping STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into security architecture expertise. Download now. Pass your exam. Master enterprise security architecture.

About

Abacus Practice

Practice abacus, mental arithmetic, and calculation skills on your iPhone or iPad. Features a realistic abacus interface for various exercises, including addition, subtraction, multiplication, division, and flash calculations. Track your progress and review your performance over time.

Highlights
  • Realistic abacus interface
  • Practice addition, subtraction, multiplication, division
  • Flash and slip calculations
  • Customizable problem generation
  • Practice history and performance records
  • Adjustable settings for sound, vibration, and left-handed mode
Features
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Build an answer with beads. Check it, then try your mistakes again. Abacus Practice brings Japanese soroban and mental arithmetic practice to iPhone and iPad. Use the on-screen abacus, work with your own physical soroban, or answer mentally. LEARN AND PRACTICE â€ĸ 16 introductory lessons with bead movement demonstrations â€ĸ Addition, subtraction, multiplication and division â€ĸ Flash mental arithmetic with adjustable speed and column-style drills â€ĸ Answer checking, per-question results and mistake-only review â€ĸ Start another session with your previous practice settings CREATE YOUR OWN DRILLS Generate problems from selected conditions and practice them in the app. Timed mock exams show answer progress and scores by subject. These are practice formats based on Japanese soroban exams, not official examinations or a guarantee of passing. FIND YOUR FAVORITE BEADS The standard wooden beads have a detailed natural texture. Pro adds skins including springy mint Jelly and transparent Glass, each with a distinct feel and sound. Try extra skins in the interactive preview before purchase. Sound, haptics and left-handed layout are adjustable. FREE AND PRO Introductory lessons, basic practice, a free abacus, and selected problem-generation and mock-exam options are available free. A one-time Pro purchase unlocks expanded practice conditions, advanced problem generation, PDF worksheet creation and sharing, additional exam levels, and extra skins. There is no monthly subscription. No account or ads. Practice records are stored on this device. Now available in Japanese, English, Simplified Chinese, Traditional Chinese and Korean. Screens, all 16 introductory lessons, instructions, purchases and restore, practice history and PDFs follow your app language. Change it directly in Settings > App language inside the app; your choice applies immediately. There are six skins in total: standard Amber is free; Pro adds Walnut, Red & Ivory, Indigo, Jelly and Glass. The free abacus uses a large landscape board with minimal controls so you can focus on moving the beads.

Screenshots

ISSAP Security Architecture3 screens
Abacus Practice4 screens

Verdict

The call

The clearest difference is price: ISSAP Security Architecture at Free against Abacus Practice's $0.99. ISSAP Security Architecture also leads on in-app purchases (none vs 1) and iOS requirement (15.0 vs 17.0). On update cadence, 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

ISSAP Security Architecture is free to download; Abacus Practice costs $0.99 up front. Abacus Practice sells 1 one-off in-app purchase. ISSAP Security Architecture asks for nothing beyond the download.

UpkeepUpdate frequency

ISSAP Security Architecture ships an update every 3 months, Abacus Practice every 4 months. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

Scorecard3 real differences ¡ 5 level
ISSAP Security Architecture versus Abacus Practice: the parameters behind the verdict, then further details
ParameterISSAP Security ArchitectureAbacus Practice
PriceFree — better$0.99
Positive reviews—100.0% of reviews
Update frequencyEvery 3 months — betterEvery 4 months
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size27 MB18 MB
Age rating4+4+
DeveloperDavy RaittSMART BIT K.K

In-app purchases

None

ISSAP Security Architecture

No in-app purchases

1 purchases

Abacus Practice

One-time1
  • Pro Unlock$2.99

Questions

Is ISSAP Security Architecture free?
ISSAP Security Architecture is free to download, with no in-app purchases.
Is Abacus Practice free?
Abacus Practice costs $0.99, and also offers in-app purchases.
Do ISSAP Security Architecture or Abacus Practice have ads?
Neither ISSAP Security Architecture nor Abacus Practice shows ads.
Which is updated more often, ISSAP Security Architecture or Abacus Practice?
ISSAP Security Architecture ships an update every 3 months, and Abacus Practice every 4 months. Most recently, ISSAP Security Architecture was updated on October 31, 2026 and Abacus Practice on October 25, 2026.

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