Comparison

Macmillan Learning eBook vs Otto AR

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

Head to head
About

Macmillan Learning eBook

Access and study digital textbooks on your iPad or iPhone with a comprehensive, digital-first experience. Download books for offline reading, customize your study tools with notes and flashcards, and personalize the reading environment for easier learning.

Highlights
  • Offline reading
  • Note-taking and highlighting
  • Flashcard creation
  • Customizable reading settings
  • Read Aloud feature
  • Cross-device syncing
  • Accessibility features
Features
Read full description

Use Macmillan® Learning eBook to enjoy a digital-first, comprehensive study experience from the convenience of your iPad or iPhone. Download and access digital textbooks to study anytime, anywhere. Features: • Download books to your iOS device for 100% offline reading. • Customize highlighters and add notes for a rich study experience. • Create flashcards with text and images to learn concepts faster. • Personalize font, font size, and background colors to make reading easier. • Listen to your books and learn on the go with Read Aloud. • Sync your current reading position and all your work across devices so you can easily pick up where you left off. • Built with accessibility in mind.

About

Otto AR

Features
Read full description

Meet Otto, your owl guide to the Robin and Doug Shore Innovation Center at Kennesaw State University. Otto AR turns a walk through the building into an interactive augmented-reality tour. Explore 18 stops across three floors. At each research lab, scan Otto’s marker and watch 3D models of the work happening inside come to life, from biomedical devices to energy, cybersecurity, and infrastructure. Otto explains what each lab does, quizzes you to test what you learned, and hands out badges as you go. 18 stops to explore across three floors Collect all 9 Otto owls, one at each research lab 3D augmented-reality models at every stop Otto narrates the tour with voice guidance Quick quizzes and mini-games so you actually remember what you saw Complete the Parliament to earn your badge Solo or team modes: explore at your own pace or race a friend No account required and no personally identifying information collected, just anonymous usage data that helps improve the tour. Point your phone and explore. Built for visitors to the Shore Innovation Center at Kennesaw State University.

Screenshots

Macmillan Learning eBook4 screens
Otto AR3 screens

Verdict

The call

The clearest difference is update cadence: Otto AR at every 2 weeks against Macmillan Learning eBook's every 3 months. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Macmillan Learning eBook ships an update every 3 months, Otto AR every 2 weeks. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Macmillan Learning eBook versus Otto AR: the parameters behind the verdict, then further details
ParameterMacmillan Learning eBookOtto AR
PriceFreeFree
Rating4.3 (2.3K ratings) — better—
Positive reviews11.0% of reviews—
Number of ratings2.3K — better—
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.617.0 — better
Further details — not scored
Size183 MB418 MB
Age rating4+4+
DeveloperHPHLPKSURSF

Bugs and requests

Macmillan Learning eBook

Reported bugs

3 issues
  • Login credentials not recognized
  • Frequent app crashes
  • Textbooks disappearing from library

Requested features

3 requests
  • Integrate with popular reading apps
  • Improve annotation and note-taking tools
  • Provide a universal e-reader option

Otto AR

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Macmillan Learning eBook

No in-app purchases

None

Otto AR

No in-app purchases

Questions

Is Macmillan Learning eBook free?
Macmillan Learning eBook is free to download, with no in-app purchases.
Is Otto AR free?
Otto AR is free to download, with no in-app purchases.
Do Macmillan Learning eBook or Otto AR have ads?
Neither Macmillan Learning eBook nor Otto AR shows ads.
Which is updated more often, Macmillan Learning eBook or Otto AR?
Macmillan Learning eBook ships an update every 3 months, and Otto AR every 2 weeks. Most recently, Macmillan Learning eBook was updated on November 11, 2026 and Otto AR on October 31, 2026.

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