# Pearl Diver vs Math Facts Fluency

The clearest difference is rating: Pearl Diver at 5.0 against Math Facts Fluency's 3.0. Pearl Diver also leads on in-app purchases (none vs 3) and update cadence (every 20 months vs every 53 months). Math Facts Fluency's advantage is iOS requirement (12.2 vs 17.6). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Math Facts Fluency sells 3 one-off in-app purchases. Pearl Diver asks for nothing beyond the download.

Pearl Diver holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Pearl Diver ships an update every 20 months, Math Facts Fluency every 53 months. The most recent releases landed on September 18, 2026 and June 3, 2026 respectively.

## The numbers

| Metric | Pearl Diver | Math Facts Fluency |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/pearl-diver-number-line-math/id337567843/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/math-facts-fluency/id1120776621/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | 76.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 20 months** | Every 53 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 28 MB | 17 MB |
| Requires iOS | 17.6 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [New Mexico State University Board of Regents](https://appshunter.io/developer/337567846) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### Pearl Diver

[App page](https://appshunter.io/ios/app/pearl-diver-number-line-math/id337567843)

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

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Facts Fluency

[App page](https://appshunter.io/ios/app/math-facts-fluency/id1120776621)

This app helps children achieve fluency in multiplication and division math facts through timed practice and a rewarding game center. It offers progress tracking and is designed for children with and without special needs, as well as adults learning English.

**Highlights:** Multiplication and division fact practice, Timed challenges for fluency, Progress tracking and reporting, Reward center for motivation, Designed for special needs learners, Suitable for adults learning ESL

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2 Users | $1.99 | one-time |
| All Levels | $2.99 | one-time |
| Up to 10 Users | $3.99 | one-time |


## Frequently asked questions

### Is Pearl Diver free?

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

### Is Math Facts Fluency free?

Math Facts Fluency is free to download, with in-app purchases available.

### Which has better reviews, Pearl Diver or Math Facts Fluency?

Pearl Diver is rated higher. Pearl Diver averages 5.0 out of 5 from 2 ratings, while Math Facts Fluency averages 3.0 from 2 ratings.

### Do Pearl Diver or Math Facts Fluency have ads?

Neither Pearl Diver nor Math Facts Fluency shows ads.

### Which is updated more often, Pearl Diver or Math Facts Fluency?

Pearl Diver ships an update every 20 months, and Math Facts Fluency every 53 months. Most recently, Pearl Diver was updated on September 18, 2026 and Math Facts Fluency on June 3, 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.*