Comparison

Lerner AR vs Boundless

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

Head to head
About

Lerner AR

This app enhances reading by bringing book content to life through augmented reality. Scan images in companion books to unlock interactive 3D models and animations related to the text. Explore space, the human body, and insects in an engaging, digital format.

Highlights
  • Augmented reality content viewer
  • Interactive 3D models
  • Educational book companion
  • Intuitive AR interface
  • Content related to space, biology, and insects
Features
Read full description

NOTICE: This app requires a minimum iOS of 11.0 and an A9 chip. Find out if your device meets requirements at www.apple.com/augmented-reality/. Augment your reading experience with Lerner AR! Download this free app to pair with a Lerner AR book. As you read, look for the Lerner AR icon throughout the book. It means there is an augmented reality experience on that page! Use the app to scan the picture near the icon to access bonus augmented reality content related to that page. Features - Easy to use, intuitive augmented reality viewer - Pop-up tips and interactive instruction help you get the most out of the experience - Brings digital content to the reading experience in a way that short links or QR codes simply can’t provide Companion books Creepy Crawlers in Action, Folding Tech, Space in Action, and The Gross Human Body in Action let readers explore space, bugs, and the human body through interactive augmented reality experiences! Watch a black hole eat a star, see the moon's orbit, look around on Mars as if you're actually there. Learn how boogers work, see inside an artery, and find out how what you eat affects your poop. Watch creepy crawlers lay eggs, hunt prey, and perform a mating dance. Each book contains multiple AR experiences to bring learning to life. It's like a pop-up book for your digital device! Augmented reality experiences in Folding Tech and the Space in Action series include: - Insight’s folding solar panels - PUFFER, the Pop-Up Flat Folding Explorer Robot - A star going supernova and exploding - A humanoid robot built for space exploration - Cassini orbiting Saturn and crashing into it - A complete animated model of the solar system - Looking around the surfaces of the moon and Mars as well as the International Space Station Augmented reality experiences in The Gross Human Body in Action series include: - Interactive stomach digestion process - Zit cross section, with interactive popping - Lice on hair - Mouth amoeba eating bad bacteria - Healthy tooth transforming into a cavity - Bruise time lapse - Femur with different kinds of bone breaks - Typical ear morphing into cauliflower ear Augmented reality experiences in Creepy Crawlers in Action series include: -Jumping spider performing a mating dance -Praying mantis hunting a mosquito -Locust laying eggs underground -Stick insect hatching -Tick sucking blood and swelling To learn more about Lerner AR and the books that include augmented reality content, please visit lernerbooks.com/go/AR. Watch your books come to life with Lerner AR! Be aware of your surroundings while using this app, as there are hazards associated with using a camera-based application while driving, walking, or otherwise being distracted or disoriented from real world situations. By downloading the app you agree to the collection, storage and use by PTC and its affiliates and service providers of Statistics from the Software and the transfer of Statistics between PTC and its affiliates and service providers (which may be in the United States or in other countries), in each case for the purposes of (a) providing the Software and Services, (b) facilitating the provision of new products, updates, enhancements and other services, (c) improving the Software, the Services, and other products, services and technologies, and (c) providing new products, services or technologies customers of PTC or its affiliates. No personally identifiable information is collected or stored.

About

Boundless

Access a vast collection of ebooks, digital audiobooks, and videobooks from your local library or school. Enjoy a seamless reading, listening, and watching experience with personalized recommendations and engaging reading programs.

Highlights
  • Discover ebooks, audiobooks, and videobooks
  • Read, listen, and watch in one app
  • Personalized recommendations
  • Join library reading programs
  • Track reading progress and earn badges
  • Customizable reading experience
Read full description

Boundless by Baker & Taylor gives users the ability to discover and enjoy ebooks, digital audiobooks, video and videobooks from their library or school on mobile devices. • Read, listen, and watch all in one app • Supports eRead-Along and videobook content • Recommendations based on your interests • Join reading programs and challenges from your library • See your progress and earn badges for reading achievements • Notetaking, bookmarking, page layout and font controls Boundless is a digital content service from Baker & Taylor, the premier distributor of books and entertainment products to libraries. Boundless Library is a service from Baker & Taylor, the premier distributor of books and entertainment products.

Screenshots

Lerner AR4 screens
Boundless4 screens

Verdict

The call

Lerner AR and Boundless both sit at 4.4 stars, but that hides the real split: 67% of Lerner AR's written reviews are positive against 32% of Boundless's. Lerner AR also leads on iOS requirement (11.0 vs 15.6). Boundless's advantage is ratings volume (18K vs 7). On price, rating, update cadence and ads 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

On the App Store both sit at effectively the same score — 4.4 for Lerner AR against 4.4 for Boundless. That said, the two scores are not equally well evidenced: Boundless has 18K ratings behind it against 7, so its average is the more settled of the two. Written reviews are what separate them: 67% of Lerner AR's written reviews are positive against 32% of Boundless's.

UpkeepUpdate frequency

Lerner AR ships an update every 6 weeks, Boundless monthly. The most recent releases landed on October 24, 2026 and November 1, 2026 respectively.

Scorecard3 real differences · 7 level
Lerner AR versus Boundless: the parameters behind the verdict, then further details
ParameterLerner ARBoundless
PriceFreeFree
Rating4.4 (7 ratings) — better4.4 (18K ratings)
Positive reviews66.7% of reviews — better32.3% of reviews
Number of ratings718K — better
Update frequencyEvery 6 weeksMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15.6
Further details — not scored
Size187 MB177 MB
Age rating4+4+
DeveloperLerner Publishing GroupBaker & Taylor

Customer experience

Lerner AR

All ratings6 ratings
Positive83.3%
Neutral0.0%
Negative16.7%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

Boundless

All ratings18,222 ratings
Positive84.0%
Neutral4.5%
Negative11.5%
Written reviews331 reviews
Positive32.3%
Neutral15.4%
Negative52.3%

Bugs and requests

Lerner AR

Not enough reviews yet to summarise bugs or requests.

Boundless

Reported bugs

4 issues
  • Books disappearing from user's shelf
  • Inability to return or renew books
  • Inconsistent behavior when switching between profiles
  • Audiobook playback issues

Requested features

5 requests
  • Improved page turning and navigation controls
  • Ability to adjust margins and font settings
  • Offline access to downloaded content
  • Better integration with other reading apps
  • More detailed progress tracking and analytics

In-app purchases

None

Lerner AR

No in-app purchases

None

Boundless

No in-app purchases

Questions

Is Lerner AR free?
Lerner AR is free to download, with no in-app purchases.
Is Boundless free?
Boundless is free to download, with no in-app purchases.
Which has better reviews, Lerner AR or Boundless?
Lerner AR is rated higher. Lerner AR averages 4.4 out of 5 from 7 ratings, while Boundless averages 4.4 from 18K ratings.
Do Lerner AR or Boundless have ads?
Neither Lerner AR nor Boundless shows ads.
Which is updated more often, Lerner AR or Boundless?
Lerner AR ships an update every 6 weeks, and Boundless monthly. Most recently, Lerner AR was updated on October 24, 2026 and Boundless on November 1, 2026.

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