Find Missing in Subtraction vs Number Track
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Interactive subtraction problems
- Customizable problem layout (vertical/horizontal)
- Optional answer prompts
- Random number generation
- Congratulatory animations
- Progress tracking and reports
- Test mode
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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.
Number Track
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Features of Number Track • Three educational games that help students (ages 7-9) exercise their memory • Players must find sequences of numbers in forward and reverse order • Helps train attention, memory and focus • Difficulty level is automatically adjusted • Two-Player Option is available • Scores are automatically saved to show progress and can be used to identify a child's success. • Scores can also be emailed to keep a record of a child's progress. • Colorful graphics and lively music make this game fun to play • Kid-safe: No third party ads or tracking This game helps young children develop their memory and attention skills while providing practice recognizing numbers. Children, ages 7 to 9, will travel from the jungle to deep space as they have fun playing and learning. All of BrainTrain games are specially created to help children practice the cognitive abilities important in school and life. The games automatically adjust to allow children to learn at a level of difficulty personalized for them. As they succeed, new challenges at harder levels will be presented. Children will be challenged to develop their thinking speed as they are required to respond faster and faster in order to win. While a child's difficulty level is automatically adjusted based on his or her performance, it can be easily modified by parents or teachers when necessary. Distraction stimuli can also be added to reinforce increased focus and the ability to stay on task. In addition, a two player option is available which helps children learn how to take turns and be both a good winner and a good loser. This memory training game for numbers becomes more challenging as players succeed and improve their memory. Each game level must be completed for grades to be saved in single player mode. Please note that no grades are saved in two player mode. Two player mode only records which Player (1 or 2) won the match after three rounds are completed. A training session is completed only when the program is stopped and then removed from memory. If the program is left open in the background and it is selected, then the last session started will be continued. The app will start off with a 60 minute trial version. You can modify the options and run the games during this trial period. Once the trial has ended, you will need to make a one-time in-app purchase to unlock the games for unlimited use.
Screenshots
Verdict
The clearest difference is update cadence: Number Track at every 39 months against Find Missing in Subtraction's every 121 months. Find Missing in Subtraction's advantage is iOS requirement (10.0 vs 13.0). On price, 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
Both are free to download. Find Missing in Subtraction sells 1 one-off in-app purchase and Number Track sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Find Missing in Subtraction ships an update every 121 months, Number Track every 39 months. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.
| Parameter | Find Missing in Subtraction | Number Track |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 121 months | Every 39 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 110 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Blooming Kids Software LLC | BrainTrain Inc. |
In-app purchases
Find Missing in Subtraction
- Finding Missing Number in Subtraction$3.99
Number Track
- Full Version$2.99
Questions
Is Find Missing in Subtraction free?
Is Number Track free?
Do Find Missing in Subtraction or Number Track have ads?
Which is updated more often, Find Missing in Subtraction or Number Track?
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