Comparison

Displacement Reaction vs Geometric Concepts

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

Head to head
About

Displacement Reaction

Features
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"Displacement Reaction" is a comprehensive chemistry lab experiment app designed for high school students. Embark on a guided journey to explore the fascinating world of displacement reactions with step-by-step protocols, interactive 3D models, and detailed explanations. Key Highlights: 1. Dive into the realm of displacement reactions 2. Tailored learning for high school students 3. Detailed 3D models and rotational views enhance understanding 4. Audio guide for comprehensive insights 5. Zoom functionality for closer examination Features: 1. Detailed 3D models with labeled apparatus 2. Informative audio guide 3. Rotational models for varied perspectives 4. Ideal for hands-on lab experiments 5. Interactive zoom functionality for detailed examination

About

Geometric Concepts

Features
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Geometric Concepts builds a solid foundation in geometry by clearly defining and illustrating fundamental objects—points, lines, rays, segments, and angles. The app surveys angle types in the plane (acute, right, obtuse, straight, and reflex) and explains angle relationships such as complementary, supplementary, vertical, and adjacent. It introduces congruence for segments and angles, using precise notation and step-by-step examples to show how to recognize and prove congruence. Interactive diagrams and worked examples help build intuition, while a concise glossary clarifies symbols and terms. Learning is reinforced through tiered quizzes, instant feedback, and guided proof analysis that breaks problems into manageable steps. The app cycles content for review and provides progressively challenging practice to strengthen reasoning and problem-solving skills.

Screenshots

Displacement Reaction4 screens
Geometric Concepts3 screens

Verdict

The call

The clearest difference is price: Displacement Reaction at $1.99 against Geometric Concepts's $2.99. Displacement Reaction also leads on iOS requirement (11.0 vs 16.0). On update cadence, 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

Displacement Reaction costs $1.99 and Geometric Concepts $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Displacement Reaction ships an update every 33 months, Geometric Concepts every 39 months. The most recent releases landed on November 3, 2026 and October 27, 2026 respectively.

Scorecard2 real differences · 4 level
Displacement Reaction versus Geometric Concepts: the parameters behind the verdict, then further details
ParameterDisplacement ReactionGeometric Concepts
Price$1.99 — better$2.99
Update frequencyEvery 33 months — betterEvery 39 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size150 MB3 MB
Age rating4+4+
DeveloperVIRTUAL FILAMENTS PRIVATE LIMITEDGomathy Shankaran

In-app purchases

None

Displacement Reaction

No in-app purchases

None

Geometric Concepts

No in-app purchases

Questions

Is Displacement Reaction free?
Displacement Reaction costs $1.99, with no in-app purchases.
Is Geometric Concepts free?
Geometric Concepts costs $2.99, with no in-app purchases.
Do Displacement Reaction or Geometric Concepts have ads?
Neither Displacement Reaction nor Geometric Concepts shows ads.
Which is updated more often, Displacement Reaction or Geometric Concepts?
Displacement Reaction ships an update every 33 months, and Geometric Concepts every 39 months. Most recently, Displacement Reaction was updated on November 3, 2026 and Geometric Concepts on October 27, 2026.

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