Comparison

Math Worlds AR vs Relay Smart Agent

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

Head to head
About

Math Worlds AR

This augmented reality game transforms a book cover into an interactive math learning experience for children. It offers various game levels covering core math concepts from kindergarten to sixth grade, encouraging active practice and engagement.

Highlights
  • Augmented reality book cover scanning
  • Interactive math game levels
  • Covers K-6 math curriculum
  • Encourages active learning
  • Homework activity option
  • No personal data collection
Features
Read full description

Welcome to Math Worlds AR! Math Worlds AR is an augmented reality game that turns your kids’ book cover into a fun, unique learning experience. To play, open the app and scan either the Student Activity Book or the Teacher’s Edition cover from any grade using a smartphone or tablet. Then watch an augmented reality game pop right out of it! There’s one game level for every unit in every grade (K–6). Math Worlds AR gets students out of their seats and practicing the math they’re learning. It can also serve as a short, fun homework activity. In order to access this app’s content, you will need any book cover from HMH’s Math Expressions 2018 program, or download complete list of levels, associated lessons and target images for free at: https://www.hmhco.com/~/media/sites/home/education/disciplines/mathematics/elementary/math-expressions/math-worlds-levels.pdf Game levels include… Counting and cardinality Number partners Addition, subtraction, multiplication, and division Geometry Place value Money, time, and measurement Fractions, decimals, and integers Graphing Expressions and equations Gameplay Find the spheres hidden throughout the map. Move your device around the cover and even move the cover itself to get the full experience. Earn bonus points for finding spheres quickly. The game lends itself well to students working in pairs. App Info This app does not collect any personally identifiable information. This app contains no social media sharing or links to websites. This app does not track the user’s location. For users age 6 or younger, we recommend child-safe device covers. Avoid pressing buttons or controls outside the main screen area when holding the device as doing so may minimize or close the game.

About

Relay Smart Agent

This application offers web filtering and safety features for iOS devices, ensuring CIPA compliance for schools. It provides on and off-campus protection and reports on student activity, acting as a hardware-free cloud solution.

Highlights
  • CIPA compliant web filtering
  • On/off campus safety
  • Student activity reporting
  • Hardware-free cloud solution
  • Anytime, anywhere filtering
Read full description

This app provides anytime, anywhere filtering, safety, and reporting on iOS devices for schools using the Relay web filter from Lightspeed Systems. With the Relay Smart Agent for iOS, schools get: CIPA compliant web filtering On/off campus safety Reporting on student activity A hardware-free cloud solution And more!

Screenshots

Math Worlds AR4 screens
Relay Smart Agent1 screens

Verdict

The call

The clearest difference is rating: Math Worlds AR at 3.5 against Relay Smart Agent's 1.2. Math Worlds AR also leads on iOS requirement (9.0 vs 15.0). Relay Smart Agent's advantage is update cadence (every 2 months vs every 13 months) and ratings volume (33 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

Math Worlds AR holds the better App Store score, 3.5 against 1.2. That said, the two scores are not equally well evidenced: Relay Smart Agent has 33 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

Math Worlds AR ships an update every 13 months, Relay Smart Agent every 2 months. The most recent releases landed on November 2, 2026 and November 13, 2026 respectively.

Scorecard4 real differences · 6 level
Math Worlds AR versus Relay Smart Agent: the parameters behind the verdict, then further details
ParameterMath Worlds ARRelay Smart Agent
PriceFreeFree
Rating3.5 (2 ratings) — better1.2 (33 ratings)
Positive reviews—0.0% of reviews
Number of ratings233 — better
Update frequencyEvery 13 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size201 MB9 MB
Age rating4+4+
DeveloperHoughton Mifflin HarcourtLightspeed Solutions, LLC

Customer experience

Math Worlds AR

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

Relay Smart Agent

All ratings32 ratings
Positive6.3%
Neutral0.0%
Negative93.8%
Written reviews11 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Math Worlds AR

No in-app purchases

None

Relay Smart Agent

No in-app purchases

Questions

Is Math Worlds AR free?
Math Worlds AR is free to download, with no in-app purchases.
Is Relay Smart Agent free?
Relay Smart Agent is free to download, with no in-app purchases.
Which has better reviews, Math Worlds AR or Relay Smart Agent?
Math Worlds AR is rated higher. Math Worlds AR averages 3.5 out of 5 from 2 ratings, while Relay Smart Agent averages 1.2 from 33 ratings.
Do Math Worlds AR or Relay Smart Agent have ads?
Neither Math Worlds AR nor Relay Smart Agent shows ads.
Which is updated more often, Math Worlds AR or Relay Smart Agent?
Math Worlds AR ships an update every 13 months, and Relay Smart Agent every 2 months. Most recently, Math Worlds AR was updated on November 2, 2026 and Relay Smart Agent on November 13, 2026.

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