Comparison

DA0 vs Abacus Plus+

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

Head to head
About

DA0

Features
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PASS YOUR COMPTIA DATA+ (DA0-001) EXAM Master data analytics concepts with 500+ practice questions designed to get you certified on your first attempt. 500+ practice questions 5-minute study sessions Track your progress Remove mastered questions Text-to-speech support Dark mode available WHY GET CERTIFIED? Data analytics professionals earn up to $203K annually (Skillsoft 2024). CompTIA Data+ validates your ability to transform raw data into actionable insights, making you indispensable to any data-driven organization. WHAT YOU'LL MASTER: • Star and snowflake schemas with fact tables, dimensions, and normalization tradeoffs • OLTP vs OLAP systems including transactional processing and analytical workloads • Relational vs non-relational databases covering SQL, document, key-value, and graph models • ETL vs ELT pipelines with extraction, transformation, and loading strategies • Data types and levels of measurement including nominal, ordinal, interval, and ratio • Data mining techniques including clustering, classification, and regression analysis • Data cleansing methods for deduplication, missing values, and outlier handling • Data profiling and quality validation with completeness, consistency, and accuracy checks • Data visualization best practices using bar charts, histograms, scatter plots, and heat maps • Data governance frameworks including metadata management, data stewardship, and lineage tracking • Structured, semi-structured, and unstructured data formats including JSON, XML, and flat files • Slowly changing dimensions with Type 1, Type 2, and Type 3 historical tracking methods • SQL operations including joins, subqueries, aggregations, and GROUP BY with HAVING clauses • Sampling methods covering simple random, stratified, cluster, and systematic techniques • Statistical analysis concepts including hypothesis testing, p-values, confidence intervals, and correlation STUDY ANYWHERE: Coffee breaks. Commutes. Lunch hours. Turn dead time into data analytics expertise. Download now. Pass your exam. Master data.

About

Abacus Plus+

Features
Read full description

Abacus Plus makes learning mental math simple, fun, and effective — for kids and adults alike. Using the time-tested abacus method, Abacus Plus helps you build lightning-fast calculation skills through interactive practice, visual bead-based learning, and progressive difficulty levels. WHY ABACUS PLUS? - Learn the traditional abacus technique step by step - Practice addition, subtraction, multiplication, and division - Colorful, intuitive interface designed for focus and engagement - Track your speed and accuracy over time - Structured levels that grow with your skill PERFECT FOR - Kids building foundational math skills - Students preparing for competitive exams - Anyone who wants to sharpen mental calculation speed - Parents looking for a screen-time activity with real educational value HOW IT WORKS Abacus Plus combines the classic abacus method with modern, gamified practice sessions. Each exercise reinforces number sense and mental calculation, helping you go from counting beads to solving problems entirely in your head. Download Abacus Plus today and start your journey to faster, sharper mental math. LEGAL Privacy Policy: https://vijayvir.github.io/abacus_PrivacyPolicy.txt Terms of Use: https://vijayvir.github.io/abacus_Terms.txt Apple Standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support & Contact: virvijay37@gmail.com Made by Vijayvir Singh (Antfire Labs).

Screenshots

DA03 screens
Abacus Plus+4 screens

Verdict

The call

The clearest difference is price: DA0 at Free against Abacus Plus+'s $2.99. DA0 also leads on iOS requirement (15.0 vs 26.5). Abacus Plus+'s advantage is in-app purchases (none vs 3) and update cadence (every 4 days vs every 3 months). On ads and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

DA0 is free to download; Abacus Plus+ costs $2.99 up front. DA0 sells 3 in-app purchases, starting at $3.99 per month. Abacus Plus+ asks for nothing beyond the download.

UpkeepUpdate frequency

DA0 ships an update every 3 months, Abacus Plus+ every 4 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard4 real differences Ā· 2 level
DA0 versus Abacus Plus+: the parameters behind the verdict, then further details
ParameterDA0Abacus Plus+
PriceFree — better$2.99
Update frequencyEvery 3 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.5
Further details — not scored
Size27 MB10 MB
Age rating4+4+
DeveloperDavy RaittVijayvir Singh

In-app purchases

3 purchases

DA0

Subscriptions2
  • Pro Monthly$3.991 Month
  • Pro Yearly7 Days trial$14.991 Year
One-time1
  • Pro Lifetime$19.99
None

Abacus Plus+

No in-app purchases

Questions

Is DA0 free?
DA0 is free to download, with in-app purchases available.
Is Abacus Plus+ free?
Abacus Plus+ costs $2.99, with no in-app purchases.
Do DA0 or Abacus Plus+ have ads?
Neither DA0 nor Abacus Plus+ shows ads.
Which is updated more often, DA0 or Abacus Plus+?
DA0 ships an update every 3 months, and Abacus Plus+ every 4 days. Most recently, DA0 was updated on October 14, 2026 and Abacus Plus+ on October 11, 2026.

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