Comparison

Pearl Diver vs UWO Mobile

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Number line mastery
  • Fractions and decimals
  • Common Core alignment
  • Progress tracking
  • Educational game design
Features
Read full description

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).

About

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.

Highlights
  • Safety notifications
  • Emergency help contact
  • Campus safety resources
  • Student resources
  • Official campus connectivity
Features
Read full description

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

Pearl Diver4 screens
UWO Mobile4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

Pearl Diver ships an update every 20 months, UWO Mobile every 2 months. Both last shipped on November 1, 2026.

Scorecard5 real differences · 5 level
Pearl Diver versus UWO Mobile: the parameters behind the verdict, then further details
ParameterPearl DiverUWO Mobile
PriceFreeFree
Rating5.0 (2 ratings) — better2.7 (6 ratings)
Positive reviews76.2% of reviews — better16.7% of reviews
Number of ratings26 — better
Update frequencyEvery 20 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.610.0 — better
Further details — not scored
Size28 MB45 MB
Age rating4+4+
DeveloperNew Mexico State University Board of RegentsUniversity of Wisconsin Oshkosh

Customer experience

Pearl Diver

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive76.2%
Neutral4.8%
Negative19.0%

UWO Mobile

All ratings6 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews6 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

In-app purchases

None

Pearl Diver

No in-app purchases

None

UWO Mobile

No in-app purchases

Questions

Is Pearl Diver free?
Pearl Diver is free to download, with no in-app purchases.
Is UWO Mobile free?
UWO Mobile is free to download, with no in-app purchases.
Which has better reviews, Pearl Diver or UWO Mobile?
Pearl Diver is rated higher. Pearl Diver averages 5.0 out of 5 from 2 ratings, while UWO Mobile averages 2.7 from 6 ratings.
Do Pearl Diver or UWO Mobile have ads?
Neither Pearl Diver nor UWO Mobile shows ads.
Which is updated more often, Pearl Diver or UWO Mobile?
Pearl Diver ships an update every 20 months, and UWO Mobile every 2 months. Most recently, Pearl Diver was updated on November 1, 2026 and UWO Mobile on November 1, 2026.

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