Comparison

Probability for kids vs Environmental Engineering PRO

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

Head to head
About

Probability for kids

An interactive math app designed for young children to learn the concepts of probability and statistics through a game-like experience. It uses colorful illustrations and animations to make learning engaging and easy.

Highlights
  • Learn Probability & Statistics terms
  • Practice Probability Mathematics
  • Engaging Probability concepts
  • Interactive learning with animations
  • Gamified education model
Features
Read full description

“Probability” is an interactive math app of Probability Distributions for kids to learn the concept of Probability Mathematics like playing a game. It is one of the best free educational applications which is designed to help students learn the Probability & Statistics like playing a Probability Distribution Game. This app is for kids in the age group of 3-6 years and is optimized for use in tablets. “Probability” app is kids friendly and easy to use. Download the Probability Mathematics Games app NOW and assist your kids to learn about Probability & Statistics easily. Probability Distribution app helps the kids to learn about the concept of Probability Mathematics easily. This app is a Probability & Statistics Games app which helps to learn about the Probability Distribution in an easy and simple way with colorful illustrations and exciting animations. The interactive approach of the app makes it a more immersive experience for the kids. The Probability Mathematics Games app concept is based on Probability & Statistics. Kids can explore and enjoy the animations by taping the various objects. The colorful images, sounds and animations will attract the children and they can learn the concept of Probability Distribution easily like playing a math Game. Features: Learn the various words of Probability & Statistics. Practice the Probability Mathematics. Get engaged in the interesting concept of Probability. This educational application helps kids understand and learn the concept of Probability. Download Probability & Statistics - math app and other educational apps published by Ajax Media Tech. With the gamified education model, kids will be able to absorb and learn the fundamentals and basics with minimal efforts and maximum retention.

About

Environmental Engineering PRO

Features
Read full description

Environmental Engineering Practice is an educational application designed to help students understand and practice key concepts related to environmental protection, water and wastewater treatment, pollution control, and sustainable development. The app focuses on structured learning through chapter-wise quizzes, mock tests, and daily quizzes aligned with standard environmental engineering curricula. Users can practice questions from individual topics, attempt mock tests for overall assessment, and monitor their performance using statistics. The app supports self-study, classroom learning, and examination preparation for engineering students. Topics Included 1. Introduction to Environmental Engineering Scope of environmental engineering, environmental pollution, sustainable development, environmental laws, and environmental impact assessment. 2. Water Supply Engineering Water demand, sources of water, intake structures, treatment processes, distribution systems, and water quality standards. 3. Water Treatment Methods Screening, sedimentation, coagulation and flocculation, filtration, disinfection, and softening. 4. Wastewater Engineering Sewerage systems, wastewater characteristics, treatment processes, and effluent disposal. 5. Primary and Secondary Treatment Primary treatment processes, sedimentation tanks, secondary biological treatment, activated sludge process, and trickling filters. 6. Sludge Treatment and Disposal Sludge digestion, anaerobic digestion, dewatering, drying beds, and disposal methods. 7. Solid Waste Management Sources of solid waste, collection methods, segregation, composting, and sanitary landfill. 8. Air Pollution Control Sources and types of air pollutants, control devices, air quality standards, and stack emission monitoring. 9. Noise Pollution Control Sources of noise, measurement, effects, control methods, and permissible standards. 10. Environmental Chemistry and Microbiology Water chemistry, biochemical oxygen demand, chemical oxygen demand, pH, microorganisms, and eutrophication. 11. Environmental Management Waste minimization, recycling, resource recovery, green technologies, and climate change mitigation. 12. Public Health Engineering Sanitation, waterborne diseases, vector control, rural water supply, and urban sanitation systems. Key Features Chapter-wise practice quizzes Mock tests for full syllabus assessment Daily quiz for regular practice Performance statistics to track progress Content aligned with environmental engineering syllabus Simple and distraction-free interface Environmental Engineering Practice is suitable for civil and environmental engineering students preparing for examinations and strengthening conceptual understanding through consistent practice.

Screenshots

Probability for kids4 screens
Environmental Engineering PRO4 screens

Verdict

The call

The clearest difference is price: Probability for kids at Free against Environmental Engineering PRO's $0.49. Probability for kids also leads on iOS requirement (10.0 vs 13.0). Environmental Engineering PRO's advantage is update cadence (every 5 months vs every 27 months). On ads, in-app purchases 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

Probability for kids is free to download; Environmental Engineering PRO costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Probability for kids ships an update every 27 months, Environmental Engineering PRO every 5 months. The most recent releases landed on September 8, 2026 and September 17, 2026 respectively.

Scorecard3 real differences · 7 level
Probability for kids versus Environmental Engineering PRO: the parameters behind the verdict, then further details
ParameterProbability for kidsEnvironmental Engineering PRO
PriceFree — better$0.49
Rating1.3 (3 ratings) — better—
Positive reviews14.3% of reviews—
Number of ratings3 — better—
Update frequencyEvery 27 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better13.0
Further details — not scored
Size52 MB23 MB
Age rating4+17+
Developerwww.ajaxmediatech.comManish Kumar

In-app purchases

None

Probability for kids

No in-app purchases

None

Environmental Engineering PRO

No in-app purchases

Questions

Is Probability for kids free?
Probability for kids is free to download, with no in-app purchases.
Is Environmental Engineering PRO free?
Environmental Engineering PRO costs $0.49, with no in-app purchases.
Do Probability for kids or Environmental Engineering PRO have ads?
Neither Probability for kids nor Environmental Engineering PRO shows ads.
Which is updated more often, Probability for kids or Environmental Engineering PRO?
Probability for kids ships an update every 27 months, and Environmental Engineering PRO every 5 months. Most recently, Probability for kids was updated on September 8, 2026 and Environmental Engineering PRO on September 17, 2026.

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