Pearl Diver vs UWO Mobile
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).
UWO Mobile
This app keeps you connected to campus life, offering safety notifications, emergency contact options, and access to campus resources. It's designed for students, parents, faculty, staff, and alumni to enhance safety and provide valuable student information.
- Safety notifications
- Emergency help contact
- Campus safety resources
- Student resources
- Official campus connectivity
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Stay connected to campus with the latest release of UW Oshkosh's official mobile app. Whether you are a student, parent, faculty, staff or alumni, UWO Mobile is an essential tool to enhance your safety and provide valuable student resources at University of Wisconsin Oshkosh. UWO Mobile safety benefits include: - Safety notifications: Receive instant notifications and instructions from campus safety when on-campus emergencies occur. - Emergency help: contact campus safety staff quickly for help in an emergency. - Campus safety resources: access all important UW Oshkosh safety resources in one convenient app. Many students, faculty, and staff at UW Oshkosh are already using UWO Mobile. Download today and ensure that you're prepared for success and safety at UWO!
Screenshots
Verdict
The clearest difference is review sentiment: Pearl Diver at 76% against UWO Mobile's 17%. Pearl Diver also leads on rating (5.0 vs 2.7). UWO Mobile's advantage is update cadence (every 2 months vs every 20 months) and ratings volume (6 vs 2). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Pearl Diver holds the better App Store score, 5.0 against 2.7. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 76% of Pearl Diver's written reviews are positive against 17% of UWO Mobile's.
Pearl Diver ships an update every 20 months, UWO Mobile every 2 months. Both last shipped on November 1, 2026.
| Parameter | Pearl Diver | UWO Mobile |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 2.7 (6 ratings) |
| Positive reviews | 76.2% of reviews — better | 16.7% of reviews |
| Number of ratings | 2 | 6 — better |
| Update frequency | Every 20 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | New Mexico State University Board of Regents | University of Wisconsin Oshkosh |
Customer experience
Pearl Diver
UWO Mobile
In-app purchases
Pearl Diver
No in-app purchases
UWO Mobile
No in-app purchases
Questions
Is Pearl Diver free?
Is UWO Mobile free?
Which has better reviews, Pearl Diver or UWO Mobile?
Do Pearl Diver or UWO Mobile have ads?
Which is updated more often, Pearl Diver or UWO Mobile?
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