Comparison

Encyclopedia of Plagues vs Basic Arithmetic Practice Pro

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

Head to head
About

Encyclopedia of Plagues

Explore thousands of articles and HD photos about plagues from A-Z. This comprehensive encyclopedia is suitable for all ages, offering engaging and easy-to-understand information. Earn badges for reading and access all content offline.

Highlights
  • Extensive plague articles
  • High-definition photos
  • Offline access
  • Badge collection system
  • User-friendly interface
  • Suitable for all ages
Features
Read full description

Explore pandemics, epidemics and their historical and scientific context. This is a reference encyclopedia, not personal medical advice. Read 126 articles, search for a topic, and save discoveries to revisit. START WITH FIVE FREE ARTICLES New readers choose five distinct articles from the library. Chosen articles stay unlocked and can be revisited without spending another choice. Existing readers keep their previous allowance, and eligible earlier purchases remain protected. EXPLORE AND RETURN Search article titles and full text. Discover connections through maps, timelines and graphs where the collection has relevant information. Save articles and return to recent reading or your last reading position. Optional reminders help you return to the library. OFFLINE ENCYCLOPEDIA One-time ownership unlocks the full encyclopedia for offline reading. Eligible historical purchases can be restored from Restore Purchases in Settings or on the upgrade screen. PREMIUM AI Premium includes full offline access and AI chat about this encyclopedia’s subject. Chat requires internet access. Monthly and annual subscriptions offer a three-day introductory trial for eligible new subscribers. Prices and billing periods appear on the purchase screen. Subscriptions renew automatically unless canceled through your App Store account; trials are subject to Apple eligibility. SOURCES AND SUPPORT Reference text and images are drawn from licensed sources including Wikipedia and Wikimedia Commons. Source, author and license credits are available in the app. AI answers can be wrong and should be checked against the referenced articles. Privacy Policy: https://goodspider.net/privacy-policy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Support: https://goodspider.net/support/

About

Basic Arithmetic Practice Pro

Features
Read full description

Basic Arithmetic Practice is a simple and effective learning app designed to strengthen your foundation in numbers, operations, fractions, percentages, ratios, and powers. With structured MCQ based practice sets, the app makes learning mathematics interactive and exam ready. It is ideal for school students, competitive exam aspirants, and anyone looking to improve essential arithmetic skills. The app provides clear explanations and step by step practice to help you build accuracy, speed, and confidence in solving everyday math problems. Topics Covered Numbers and Place Value Understand natural numbers, whole numbers, and integers. Learn place value, rounding, and comparing numbers. Addition and Subtraction Practice basic addition, subtraction, carrying, borrowing, word problems, and verification methods. Multiplication and Division Learn multiplication, division, long division steps, factors, remainders, and real world applications. Fractions and Decimals Master proper and improper fractions, mixed numbers, decimal place values, conversions, and comparisons. Percentages and Ratios Understand percentage calculations, conversions, ratios, proportions, increase and decrease. Powers and Roots Practice squares, cubes, square roots, cube roots, exponents, and simplifying expressions. Key Features Covers essential arithmetic topics MCQ based practice for revision Suitable for students and exam preparation Helps improve speed and accuracy Clear explanations for better understanding Why Choose Basic Arithmetic Practice The app helps you build strong number skills through quiz based learning and topic wise practice. Each section is designed to support school exams, competitive tests, and daily problem solving. Download Basic Arithmetic Practice today and strengthen your foundation in arithmetic with simple, clear, and effective practice.

Screenshots

Encyclopedia of Plagues4 screens
Basic Arithmetic Practice Pro4 screens

Verdict

The call

The clearest difference is price: Encyclopedia of Plagues at Free against Basic Arithmetic Practice Pro's $0.29. Basic Arithmetic Practice Pro's advantage is in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.0). 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

Encyclopedia of Plagues is free to download; Basic Arithmetic Practice Pro costs $0.29 up front. Encyclopedia of Plagues sells 3 in-app purchases, starting at $2.99 per month. Basic Arithmetic Practice Pro asks for nothing beyond the download.

Scorecard3 real differences · 7 level
Encyclopedia of Plagues versus Basic Arithmetic Practice Pro: the parameters behind the verdict, then further details
ParameterEncyclopedia of PlaguesBasic Arithmetic Practice Pro
PriceFree — better$0.29
Rating4.2 (5 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 4 days—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size110 MB20 MB
Age rating17+12+
DeveloperGood Spider, LLCManish Kumar

In-app purchases

3 purchases

Encyclopedia of Plagues

Subscriptions2
  • Monthly Premium3 Days trial$2.991 Month
  • Annual Premium3 Days trial$19.991 Year
One-time1
  • Full Version$9.99
None

Basic Arithmetic Practice Pro

No in-app purchases

Questions

Is Encyclopedia of Plagues free?
Encyclopedia of Plagues is free to download, with in-app purchases available.
Is Basic Arithmetic Practice Pro free?
Basic Arithmetic Practice Pro costs $0.29, with no in-app purchases.
Do Encyclopedia of Plagues or Basic Arithmetic Practice Pro have ads?
Neither Encyclopedia of Plagues nor Basic Arithmetic Practice Pro shows ads.

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