# MathTappers vs Pearl Diver HD

The clearest difference is rating: MathTappers at 3.1 against Pearl Diver HD's 1.5. MathTappers also leads on ratings volume (80 vs 2) and iOS requirement (13.0 vs 17.6). Pearl Diver HD's advantage is in-app purchases (none vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. MathTappers sells 1 one-off in-app purchase. Pearl Diver HD asks for nothing beyond the download.

MathTappers holds the better App Store score, 3.1 against 1.5. That said, the two scores are not equally well evidenced: MathTappers has 80 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 67% of MathTappers's written reviews are positive against 71% of Pearl Diver HD's, so the app with the better star average is not the one people write more warmly about.

MathTappers ships an update every 33 months, Pearl Diver HD every 20 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | MathTappers | Pearl Diver HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (80 ratings)](https://appshunter.io/ios/app/mathtappers-estimatefractions/id353282053/reviews)** | [1.5 (2 ratings)](https://appshunter.io/ios/app/pearl-diver-hd/id364617763/reviews) |
| Number of ratings | **80** | 2 |
| Positive reviews | 66.7% of reviews | **71.4% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 20 months** |
| Monetization | Free | Free |
| Size | 10 MB | 28 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Smith](https://appshunter.io/developer/292463291) | [New Mexico State University Board of Regents](https://appshunter.io/developer/337567846) |

## What reviewers say

### MathTappers

[App page](https://appshunter.io/ios/app/mathtappers-estimatefractions/id353282053)

This app helps learners develop an intuitive understanding of fractions by relating them to halves and using estimation in addition and subtraction problems. It emphasizes sense-making through visual models before procedural mastery, and is best used alongside classroom activities.

**Highlights:** Intuitive fraction understanding, Estimation for addition/subtraction, Visual models for fractions, Sense-making before procedures, Supports classroom learning

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expanded Version | $0.99 | one-time |


### 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


## Frequently asked questions

### Is MathTappers free?

MathTappers is free to download, with in-app purchases available.

### Is Pearl Diver HD free?

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

### Which has better reviews, MathTappers or Pearl Diver HD?

MathTappers is rated higher. MathTappers averages 3.1 out of 5 from 80 ratings, while Pearl Diver HD averages 1.5 from 2 ratings.

### Do MathTappers or Pearl Diver HD have ads?

Neither MathTappers nor Pearl Diver HD shows ads.

### Which is updated more often, MathTappers or Pearl Diver HD?

MathTappers ships an update every 33 months, and Pearl Diver HD every 20 months. Most recently, MathTappers was updated on November 1, 2026 and Pearl Diver HD on November 1, 2026.

---

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