# Middle School Math 6th Grade vs Kjernesyrer

The clearest difference is price: Middle School Math 6th Grade at Free against Kjernesyrer's $1.99. Middle School Math 6th Grade also leads on update cadence (every 2 months vs every 24 months) and device support (3 vs 1). Kjernesyrer's advantage is in-app purchases (none vs 4). On ads there is nothing between them.

Middle School Math 6th Grade is free to download; Kjernesyrer costs $1.99 up front. Middle School Math 6th Grade sells 4 one-off in-app purchases. Kjernesyrer asks for nothing beyond the download.

Middle School Math 6th Grade ships an update every 2 months, Kjernesyrer every 24 months. The most recent releases landed on October 29, 2026 and July 23, 2026 respectively.

## The numbers

| Metric | Middle School Math 6th Grade | Kjernesyrer |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[3.9 (465 ratings)](https://appshunter.io/ios/app/middle-school-math-6th-grade/id648551920/reviews)** | — |
| Number of ratings | **465** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 24 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 4 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Monkey In The Middle Apps LLC](https://appshunter.io/developer/457613676) | [Torgeir Holen](https://appshunter.io/developer/640499199) |

## What reviewers say

### Middle School Math 6th Grade

[App page](https://appshunter.io/ios/app/middle-school-math-6th-grade/id648551920)

Practice 6th-grade math skills with an engaging balloon-popping game. Covers essential topics like multiplication, division, decimals, and geometry. Offers adjustable difficulty, progress tracking, and competitive features to prepare students for tests.

**Highlights:** Balloon-popping math challenges, Covers multiplication, division, addition, subtraction, Includes number properties, area, volume, statistics, Three difficulty levels per topic, Leaderboards and achievements, Earnable characters and backgrounds, Built-in help and Khan Academy links

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Bananas | $0.99 | one-time |
| Pack of 6 More Quizzes | $0.99 | one-time |
| 500 Bananas | $2.99 | one-time |
| 1000 Bananas | $4.99 | one-time |

**What reviewers like**

- 💡 Helpful for reviewing math concepts
- 👍 Fun and engaging game-like format
- 🚀 Effective for improving math skills

**What reviewers complain about**

- 🐛 Glitches in the balloon game
- 👎 Too easy for 6th grade level
- 💰 Paid content required to unlock more features

**Reported bugs**

- Incorrect answers sometimes marked as correct
- Visibility issues with text and background

**Requested features**

- More challenging math problems for 6th grade level
- Ability to unlock additional content without paying
- Improved graphics and design


### Kjernesyrer

[App page](https://appshunter.io/ios/app/kjernesyrer/id1434524925)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Middle School Math 6th Grade free?

Middle School Math 6th Grade is free to download, with in-app purchases available.

### Is Kjernesyrer free?

Kjernesyrer costs $1.99, with no in-app purchases.

### Do Middle School Math 6th Grade or Kjernesyrer have ads?

Neither Middle School Math 6th Grade nor Kjernesyrer shows ads.

### Which is updated more often, Middle School Math 6th Grade or Kjernesyrer?

Middle School Math 6th Grade ships an update every 2 months, and Kjernesyrer every 24 months. Most recently, Middle School Math 6th Grade was updated on October 29, 2026 and Kjernesyrer on July 23, 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.*