Missing Num vs Find Missing in Subtraction
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Missing Num
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Simple Game. Finding a Missing Number is an excellent way to reinforce number recognition. Time Trial.
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.
Screenshots
Verdict
The clearest difference is in-app purchases: Missing Num at none against Find Missing in Subtraction's 1. Missing Num also leads on update cadence (every 11 months vs every 121 months). Find Missing in Subtraction's advantage is ads (none vs shown) and iOS requirement (10.0 vs 15.6). On price 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. Missing Num asks for nothing beyond the download.
Missing Num ships an update every 11 months, Find Missing in Subtraction every 121 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.
| Parameter | Missing Num | Find Missing in Subtraction |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 11 months — better | Every 121 months |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 110 MB |
| Age rating | 4+ | 4+ |
| Developer | Yasuyoshi Ota | Blooming Kids Software LLC |
In-app purchases
Missing Num
No in-app purchases
Find Missing in Subtraction
- Finding Missing Number in Subtraction$3.99
Questions
Is Missing Num free?
Is Find Missing in Subtraction free?
Do Missing Num or Find Missing in Subtraction have ads?
Which is updated more often, Missing Num or Find Missing in Subtraction?
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