Comparison

O3 Class vs The Atticus

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

Head to head

Education, Lawyers

About

O3 Class

Features

Read full description

Welcome to the O3 class. It will help you to learn in new ways

About

The Atticus

Read full description

Inside the The Atticus app, you can: Access all of your videos in one easy to use app Receive push notifications with the latest news and updates Access to all of your videos without having to remember your password Save your favorite posts so you can quickly find them later END USER LICENSE AGREEMENT https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

O3 Class4 screens

The Atticus3 screens

Verdict

The call

The clearest difference is in-app purchases: The Atticus at none against O3 Class's 3. The Atticus also leads on update cadence (every 3 weeks vs every 6 weeks). O3 Class's advantage is iOS requirement (12.0 vs 16.6). On price, ads 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. O3 Class sells 3 one-off in-app purchases. The Atticus asks for nothing beyond the download.

UpkeepUpdate frequency

O3 Class ships an update every 6 weeks, The Atticus every 3 weeks. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

Scorecard3 real differences · 3 level

O3 Class versus The Atticus: the parameters behind the verdict, then further details
Parameter	O3 Class	The Atticus
Price	Free	Free
Update frequency	Every 6 weeks	Every 3 weeks — better
Ads	No	No
In-app purchases	Yes	No — better
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	12.0 — better	16.6
Further details — not scored
Size	51 MB	49 MB
Age rating	17+	4+
Developer	Moments Telecomedia	Emily Sudduth

In-app purchases

3 purchases

O3 Class

One-time3

Adobe Photoshop$59.99
Adobe Premiere$59.99
Photography Course$79.99

None

The Atticus

No in-app purchases

Questions

Is O3 Class free?

O3 Class is free to download, with in-app purchases available.

Is The Atticus free?

The Atticus is free to download, with no in-app purchases.

Do O3 Class or The Atticus have ads?

Neither O3 Class nor The Atticus shows ads.

Which is updated more often, O3 Class or The Atticus?

O3 Class ships an update every 6 weeks, and The Atticus every 3 weeks. Most recently, O3 Class was updated on October 11, 2026 and The Atticus on October 15, 2026.