# Pearl Diver HD vs Middle School Math 6th Grade

The clearest difference is rating: Middle School Math 6th Grade at 3.9 against Pearl Diver HD's 1.5. Middle School Math 6th Grade also leads on update cadence (every 2 months vs every 20 months) and ratings volume (466 vs 2). Pearl Diver HD's advantage is in-app purchases (none vs 4) and review sentiment (71% vs 60%). On price, ads and device support there is nothing between them.

Both are free to download. Middle School Math 6th Grade sells 4 one-off in-app purchases. Pearl Diver HD asks for nothing beyond the download.

Middle School Math 6th Grade holds the better App Store score, 3.9 against 1.5. That said, the two scores are not equally well evidenced: Middle School Math 6th Grade has 466 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 71% of Pearl Diver HD's written reviews are positive against 60% of Middle School Math 6th Grade's, so the app with the better star average is not the one people write more warmly about.

Pearl Diver HD ships an update every 20 months, Middle School Math 6th Grade every 2 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Pearl Diver HD | Middle School Math 6th Grade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/pearl-diver-hd/id364617763/reviews) | **[3.9 (466 ratings)](https://appshunter.io/ios/app/middle-school-math-6th-grade/id648551920/reviews)** |
| Number of ratings | 2 | **466** |
| Positive reviews | **71.4% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 43 MB |
| Requires iOS | 17.6 | **8.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [New Mexico State University Board of Regents](https://appshunter.io/developer/337567846) | [Monkey In The Middle Apps LLC](https://appshunter.io/developer/457613676) |

## What reviewers say

### Pearl Diver HD

[App page](https://appshunter.io/ios/app/pearl-diver-hd/id364617763)

Dive into the ocean depths to master the number line, including fractions and decimals, by collecting pearls. This game is designed by educators to align with Common Core standards for grades 3-8.

**Highlights:** Number line mastery, Fractions and decimals, Common Core standards alignment, Progress tracking, Educational game design, Pearl collection gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Pearl Diver HD free?

Pearl Diver HD is free to download, with no in-app purchases.

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

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

### Which has better reviews, Pearl Diver HD or Middle School Math 6th Grade?

Middle School Math 6th Grade is rated higher. Pearl Diver HD averages 1.5 out of 5 from 2 ratings, while Middle School Math 6th Grade averages 3.9 from 466 ratings.

### Do Pearl Diver HD or Middle School Math 6th Grade have ads?

Neither Pearl Diver HD nor Middle School Math 6th Grade shows ads.

### Which is updated more often, Pearl Diver HD or Middle School Math 6th Grade?

Pearl Diver HD ships an update every 20 months, and Middle School Math 6th Grade every 2 months. Most recently, Pearl Diver HD was updated on November 1, 2026 and Middle School Math 6th Grade on November 6, 2026.

---

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