# Subtraction Math vs Monster Math 2

The clearest difference is price: Monster Math 2 at Free against Subtraction Math's $1.99. Monster Math 2 also leads on rating (4.5 vs 3.9) and update cadence (fortnightly vs every 4 months). Subtraction Math's advantage is in-app purchases (none vs 5) and device support (5 vs 3). On ads there is nothing between them.

Monster Math 2 is free to download; Subtraction Math costs $1.99 up front. Monster Math 2 sells 5 in-app purchases, starting at $59.99 per year. Subtraction Math asks for nothing beyond the download.

Monster Math 2 holds the better App Store score, 4.5 against 3.9. That said, the two scores are not equally well evidenced: Monster Math 2 has 6.5K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 50% of Subtraction Math's written reviews are positive against 63% of Monster Math 2's.

Subtraction Math ships an update every 4 months, Monster Math 2 fortnightly. The most recent releases landed on September 22, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Subtraction Math | Monster Math 2 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/subtraction-math-ibbleobble/id978343612/reviews) | **[4.5 (6.5K ratings)](https://appshunter.io/ios/app/monster-math-2-kids-math-game/id1025450732/reviews)** |
| Number of ratings | 7 | **6.5K** |
| Positive reviews | 50.0% of reviews | **63.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 17 MB | 181 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KidDotCo](https://appshunter.io/developer/819246599) | [Makkajai Edu Tech Private Limited](https://appshunter.io/developer/828715957) |

## What reviewers say

### Subtraction Math

[App page](https://appshunter.io/ios/app/subtraction-math-ibbleobble/id978343612)

This educational game helps children aged 5-8 practice subtraction skills through engaging drills and multiple-choice questions. It offers a flexible learning pace with an optional timer and vibrant visuals to make arithmetic fun.

**Highlights:** Subtraction drills, Multiple choice format, Adjustable difficulty, Optional timer, Colorful graphics and sounds, Universal purchase

**Features:** iMessage stickers

**In-app purchases:** none


### Monster Math 2

[App page](https://appshunter.io/ios/app/monster-math-2-kids-math-game/id1025450732)

This app makes learning math skills fun for children in kindergarten through fifth grade. It covers a wide range of topics from basic geometry to fractions and decimals through an engaging adventure game. Detailed reports help parents track their child's progress and identify areas for improvement.

**Highlights:** Practice 67+ math skills, Geometry, addition, subtraction, multiplication, division, Fractions and decimals, Engaging adventure storyline, Adaptive gameplay, Detailed progress reports, Aligned with Common Core standards

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expert Annual Subscription | $59.99 | per year |
| Genius Annual Subscription | $59.99 | per year |
| Genius All-apps Subscription | $59.99 | per year |
| Makkajai Genius Subscription | $59.99 | per year |
| Unlock Full Version | $9.99 | one-time |

**What reviewers like**

- 👍 Fun and educational
- 🚀 Engaging gameplay
- 💡 Customizable math practice
- 👍 Helps improve math skills
- 👍 Great for kids

**What reviewers complain about**

- 💰 Requires paid subscription
- 🐛 Occasional crashes or bugs
- 💰 In-app purchases required to progress
- 🤑 Expensive subscription model

**Reported bugs**

- Login issues
- Incompatibility with older devices
- Incorrect answers sometimes marked as correct

**Requested features**

- Free access to all levels
- More free content and features
- Ability to play with friends
- Better progression system


## Frequently asked questions

### Is Subtraction Math free?

Subtraction Math costs $1.99, with no in-app purchases.

### Is Monster Math 2 free?

Monster Math 2 is free to download, with in-app purchases available.

### Which has better reviews, Subtraction Math or Monster Math 2?

Monster Math 2 is rated higher. Subtraction Math averages 3.9 out of 5 from 7 ratings, while Monster Math 2 averages 4.5 from 6.5K ratings.

### Do Subtraction Math or Monster Math 2 have ads?

Neither Subtraction Math nor Monster Math 2 shows ads.

### Which is updated more often, Subtraction Math or Monster Math 2?

Subtraction Math ships an update every 4 months, and Monster Math 2 fortnightly. Most recently, Subtraction Math was updated on September 22, 2026 and Monster Math 2 on September 28, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*