Mathopolis vs Subtraction with regrouping
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mathopolis
This educational game uses a firefighter theme to help elementary students master basic math facts and improve recall speed. Players answer math problems to put out fires and save buildings, with progress tracked through profiles and earned medals.
- Addition, Subtraction, Multiplication, Division practice
- Number sets 0-12
- Player profiles for score and progress tracking
- Two game modes: Play and Training
- Multiple game options and levels
- Adjustable difficulty settings
- Medal system for achievements
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Mathopolis is an engaging firefighter themed game designed to teach the basic math facts and increase recall speed! Answer your math facts correctly to put out the fires and save the buildings in Mathopolis. Homeschoolroom.com says, "It may win the prize for the best educational app I’ve ever purchased." Teacherswithapps.com says, “This is a fun and fabulous way for children to learn math facts. Mathopolis will provide many hours of play and replay as children have fun saving the town.” The target audience for this app is elementary students learning their basic math facts (0’s -12’s for addition, subtraction, multiplication and division) or anyone that wants to brush up on their math facts with a fun app. -Mathopolis is created by the developers of the best-selling math flashcard app, “Math Fact Master”! OVERVIEW: -ADDITION, SUBTRACTION, MULTIPLICATION AND DIVISION -NUMBER SETS 0’s – 12’s: This includes facts up to (12 + 12) for addition and up to (12 x 12) for multiplication. -PROFILES: Each player can set up his/her own profile to save scores and progress. TWO MODES OF PLAY: -Choosing the “PLAY” option, you try to complete each level in a game format where a score is earned and you can win medals for completing the level. -7 Game Options: Addition, Subtraction, Addition & Subtraction, Multiplication, Division, Multiplication & Division, and All Operators -Each game has multiple levels that target specific number sets (0’s – 12’s) and culminates with a level that includes all number sets. (0’s are not included for Division since division by zero is undefined.) -Each level has 3 difficulty selections: Easy, Medium and Hard that correspond to the length of time given to answer the problems. -Scoring is based on the number of problems answered correctly and how quickly you answer the problems. -Different medals are awarded for completing a level with all problems answered correctly depending on the degree of difficulty. -TRAINING: Choosing the “TRAINING” option, you can choose to practice any combination of number sets and operators. You can also choose to work untimed if you prefer. -PARENTS/TEACHERS can easily gauge their student's progress by simply viewing the medals earned in the game. This app does not contain ads or in app purchases!
Subtraction with regrouping
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Subtraction with Eggs app provide the simplest way to learn subtraction by regrouping,it can help kids to know how to borrow in subtraction , this app use hatch out birds to help kids understand subtraction and this app dynamic to generate subtraction's questions, so you can get a lot of practice questions. There are 3 functions in this app: Function 1-> Subtract one-digit numbers - up to 10 Function 2->Subtract two-digit numbers - with regrouping Function 3->Subtraction practices game (Play it,tilt to move left or right.) The function 2 can help kids learn subtraction with regrouping more easy. For example: 82-27 =? you can follow the steps to do subtraction by regrouping: 1. 2 is less than 7, so we need to regroup 1 ten as 10 ones, drag 1 ten to ones’ box. 2. After regroup, there are 7 tens and 12 ones. 3. Click 7 eggs to hatch out 7 birds 4. Click 2 tens eggs to hatch out 20 birds 5. Check the remaining number of eggs, click the right answer's button It has 3 levels in the function 2,you can click the star button to switch levels: 1 star level : subtraction that don't need regrouping 2 stars level: 2 digits minus 1 digit and need regrouping 3 stars level: 2 digits minus 2 digits and need regrouping If you are interested in this app, you can watch the following video: https://www.youtube.com/watch?v=2MVMSE1kIyk As a MOMs with Apps member,we follow the "Know What's inside" best practices for kids' apps. http://momswithapps.com/
Screenshots
Verdict
The clearest difference is update cadence: Mathopolis at every 5 months against Subtraction with regrouping's every 41 months. Mathopolis also leads on device support (3 vs 1) and iOS requirement (9.0 vs 15.6). Subtraction with regrouping's advantage is price ($0.99 vs $1.99). On ads and in-app purchases 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
Mathopolis costs $1.99 and Subtraction with regrouping $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Mathopolis ships an update every 5 months, Subtraction with regrouping every 41 months. The most recent releases landed on August 21, 2026 and September 14, 2026 respectively.
| Parameter | Mathopolis | Subtraction with regrouping |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Rating | 4.3 (79 ratings) — better | — |
| Positive reviews | 90.6% of reviews | — |
| Number of ratings | 79 — better | — |
| Update frequency | Every 5 months — better | Every 41 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 23 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | TicTapTech, LLC | Red Hong |
In-app purchases
Mathopolis
No in-app purchases
Subtraction with regrouping
No in-app purchases
Questions
Is Mathopolis free?
Is Subtraction with regrouping free?
Do Mathopolis or Subtraction with regrouping have ads?
Which is updated more often, Mathopolis or Subtraction with regrouping?
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