Pearl Diver vs Math Facts Fluency
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pearl Diver
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.
- Number line mastery
- Fractions and decimals
- Common Core alignment
- Progress tracking
- Educational game design
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Throw on your diving helmet, and head into the depths of the sea! Master the number line, including fractions and decimals, while gathering beautiful pearls. Will you find the elusive black pearl? • Ideal for elementary and middle school students, grades 3-8. Developed by mathematics educators, researchers, and game developers at the Learning Games Lab at New Mexico State University. Games developed by the Learning Games Lab undergo a rigorous instructional design process, extensive user testing, and input from learners, teachers, and researchers. Pearl Diver addresses Common Core standards relevant to the number line and properties of numbers, including: • Understanding numbers, ways of representing numbers, and number systems. • Understanding and representing commonly used fractions. • Understanding fractions as part of unit wholes and as locations on number lines. • Comparing and ordering fractions, and finding their approximate locations on the number line. Read about research documenting learning effectiveness of Math Snacks: http://mathsnacks.com/research.html Pearl Diver was developed as part of the "Math Snacks" initiative. Other free animations, activities, and games are available through the Math Snacks web site at http://mathsnacks.org. Math Snack materials were developed with support from the National Science Foundation (0918794 & 1503507). Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. Some materials were originally prototyped or discussed as part of a cooperative agreement from the U.S. Department of Education (U295A050004).
Math Facts Fluency
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.
- 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
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** Happy Frog Apps is a Mom’s Choice Award Winner! Also featured on FunEducationalApps.com, TeachersWithApps.com, and more! ** Math Facts Fluency: Easy-to-use, built-in rewards and excellent reporting. The only app you'll need to ensure your child is completely fluent in multiplication and division math facts. What parents say about our awesome apps: *** 5 stars! My son tried other apps, but after using them, I couldn't tell how well he knew his math facts. Was he done? Did he still need practice? With your app, I know exactly how he is doing - and best of all, he LOVES working for the reward game. *** 5 stars! I like how my son can progress independently. The timer feature really ensures fluency. His recall is MUCH improved. Thanks! Math Fact fluency is *vital* for math success. Fluency frees up your learner's working memory, allowing more "brain space" for problem solving. Make math easier for your child by ensuring they know their math facts fluently (should be able to answer in about one second!) Math Facts Fluency Builder provides: -- Multiplication and division math facts introduced in learnable groups. -- Built-in timers to ensure fluency at all levels. Earlier levels allow more time. Final levels require FAST answering! -- Students progress only when mastery of the current skill is demonstrated. -- 'At a glance' reporting shows you instantly how your learner is progressing. -- The fun Reward Center motivates even hesitant learners. Our apps are designed for and tested by typical and special needs children. Testers include children with Autism and other special needs. Our apps work for them! Our apps are also suitable for adults dealing with aphasia or learning English as a Second Language. To evaluate the app, download the free version, which has four free levels. Additional levels and additional players can be accessed with in-app purchases. (All levels can be purchased for $2.99 -- price may change.) If you prefer no in-app purchases, download the School Edition of this app, which includes all levels and up to 10 players. We take customer service very seriously! If you ever have a problem or find that we've missed something, contact us at our website and we will do our best to fix the problem. We collect NO private information in our app. None! Our apps do not allow unrestricted web or social media access. We conform to the Children's Online Privacy Protection Act.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Pearl Diver | Math Facts Fluency |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 76.2% of reviews | — |
| Number of ratings | 2 | 2 |
| Update frequency | Every 20 months — better | Every 53 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 12.2 — better |
| Further details — not scored | ||
| Size | 28 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | New Mexico State University Board of Regents | Janine Toole |
Customer experience
Pearl Diver
Math Facts Fluency
In-app purchases
Pearl Diver
No in-app purchases
Math Facts Fluency
- 2 Users$1.99
- All Levels$2.99
- Up to 10 Users$3.99
Questions
Is Pearl Diver free?
Is Math Facts Fluency free?
Which has better reviews, Pearl Diver or Math Facts Fluency?
Do Pearl Diver or Math Facts Fluency have ads?
Which is updated more often, Pearl Diver or Math Facts Fluency?
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