Comparison

Find Missing in Subtraction vs Learning Earth Science

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

Head to head
About

Find Missing in Subtraction

This educational app helps children practice subtraction skills. It presents problems with missing numbers and offers interactive feedback. Users can customize settings like problem layout and number selection, and track progress through detailed reports.

Highlights
  • Interactive subtraction problems
  • Customizable problem layout (vertical/horizontal)
  • Optional answer prompts
  • Random number generation
  • Congratulatory animations
  • Progress tracking and reports
  • Test mode
Read full description

In this program there is a subtraction problem at the top of the screen with the second number blank. The program voice says (for instance) "Seven minus what makes three? Click the correct answer." There are four numbers at the bottom of the screen, and the student should click the correct choice from among them. If the student clicks the correct number, the voice says "Yes, seven minus four equals three." Settings Vertical Subtraction If this is selected then the number statement at the top of the screen will be arranged vertically. Horizontal Subtraction If this is selected then the number statement at the top of the screen will be arranged horizontally. Prompt(Blink) This is checked by default. If the student fails to find the correct answer within ten seconds, the program guides him/her to the correct choice by making the correct choice blink. Select Random Numbers If this is selected, then the program will choose the numbers to be used in the problems. Congratulatory Animation If this is selected, then any and all of the numbers in this box will be used. To deselect this choice, click it again and selection will be ended. Test Here, the student can test him/herself. Report This displays results of the “Test”. The report (Holds Only 20 Records). Grade On/Off: If it is on, app will monitor correct and wrong responses by the student Correct Answer: When a student response to a question with correct answer Wrong Answer: When a student response to a question with wrong answer Number of Total Attempt: Number of times a student tried to answer questions in the app. Bar Chart: Represents the student's performance graphically. Detail Report: Test results including the grade. object identified, distracter and time taken to finish the test. Print: This will print the grade or data on the screen. Clear Data: This button erase all the data that was stored and free up the memory that data was occupying.

About

Learning Earth Science

Features
Read full description

Get educational earth science practice and diagnostic exams, view answer explanations, using an intuitive and cool quiz interface. The questions and corresponding explanations are organized according to 14 major subjects in high school earth science curriculum. Study and learn about earth science of the world,covering fundamentals of earth science to climate, using simple and effective flashcards screen. This app will help you training and learning the high school earth science curriculum in depths. Our educational app content suitable for high school students, teachers and researchers. Once you have downloaded the app, you can access all the content offline on any mobile device or tablet. Properties : - There are 2 quiz mode. Diagnostic Quiz and Practice Quiz - In diagnostic quiz, you can detect the learning level. - In practice quiz, you can play quiz by selecting any earth science concept. View question explanation when you answer using this quiz mode. - Study and learn earth science knowledge using flashcards. - You can review answered questions and its explanation at any time. - Follow your detailed quiz performance at any time. - No internet connection needed. This educational application includes at the following concepts: - Geologic Time - Characteristics of Matter - Minerals - Energy and Mineral Resources - Views of Earth - Weathering and Soil - Erosional Forces - Plate Tectonics - Earthquakes - Volcanoes - Clues to Earth's Past - Atmosphere - Weather - Climate

Screenshots

Find Missing in Subtraction4 screens
Learning Earth Science4 screens

Verdict

The call

The clearest difference is price: Find Missing in Subtraction at Free against Learning Earth Science's $1.99. Learning Earth Science's advantage is in-app purchases (none vs 1) and update cadence (every 39 months vs every 121 months). On ads, device support and iOS requirement 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

Find Missing in Subtraction is free to download; Learning Earth Science costs $1.99 up front. Find Missing in Subtraction sells 1 one-off in-app purchase. Learning Earth Science asks for nothing beyond the download.

UpkeepUpdate frequency

Find Missing in Subtraction ships an update every 121 months, Learning Earth Science every 39 months. The most recent releases landed on October 4, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 7 level
Find Missing in Subtraction versus Learning Earth Science: the parameters behind the verdict, then further details
ParameterFind Missing in SubtractionLearning Earth Science
PriceFree — better$1.99
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 121 monthsEvery 39 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better11.0
Further details — not scored
Size110 MB20 MB
Age rating4+4+
DeveloperBlooming Kids Software LLCCoskun CAKIR

In-app purchases

1 purchases

Find Missing in Subtraction

One-time1
  • Finding Missing Number in Subtraction$3.99
None

Learning Earth Science

No in-app purchases

Questions

Is Find Missing in Subtraction free?
Find Missing in Subtraction is free to download, with in-app purchases available.
Is Learning Earth Science free?
Learning Earth Science costs $1.99, with no in-app purchases.
Do Find Missing in Subtraction or Learning Earth Science have ads?
Neither Find Missing in Subtraction nor Learning Earth Science shows ads.
Which is updated more often, Find Missing in Subtraction or Learning Earth Science?
Find Missing in Subtraction ships an update every 121 months, and Learning Earth Science every 39 months. Most recently, Find Missing in Subtraction was updated on October 4, 2026 and Learning Earth Science on October 5, 2026.

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