Comparison

attentio Content Filter vs Liminal

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

Head to head
About

attentio Content Filter

Features
Read full description

Monk Mode transforms your video education experience. Eliminate distractions and maximize your learning potential with our innovative features: Distraction-free viewing: Pure focus on educational content Custom time windows: Schedule specific playlists for optimal learning Ad-free experience: No interruptions, just knowledge Progress tracking: Mark completed videos like a to-do list Weekly organizer: Plan your learning journey day by day Boost your productivity, stay motivated, and make the most of your educational video time. Whether you're mastering a new skill, preparing for exams, or expanding your knowledge, Monk Mode helps you achieve your learning goals without the typical online distractions. Key Features: Curated playlist scheduling Distraction-free YouTube player Progress tracking system Daily and weekly learning planners Ad-free viewing experience Take control of your online learning. Download Monk Mode today and unlock your full potential!

About

Liminal

Explore Western philosophy with a comprehensive, self-paced curriculum. Access lessons, philosopher profiles, key terms, and quizzes offline. Learn at your own pace with audio narration and interactive features.

Highlights
  • Comprehensive 4-year philosophy curriculum
  • 104 lessons and 48 philosopher profiles
  • Searchable glossary of 82 key terms
  • Interactive quizzes with explanations
  • Spaced-repetition flashcards
  • On-device audio narration
  • Offline access, no network required
Features
Read full description

Explore Western philosophy through 104 lessons arranged into 23 courses and four year-groupings. Start with philosophical questions and ancient thinkers, then move through medieval, early modern, modern and contemporary thought. Study at your own pace. START WITH 10 FREE LESSONS The first 10 lessons are free. One optional, non-subscription in-app purchase unlocks the remaining 94. The reference and practice features below are available without that purchase. FOLLOW A STRUCTURED PATH Year 1: Foundations and ancient philosophy. Year 2: Medieval and early modern philosophy, including a course on Islamic and Jewish thinkers. Year 3: Modern philosophy, from Kant to pragmatism. Year 4: Contemporary philosophy, including language, mind, ethics, political philosophy and science. READ, QUESTION AND REVIEW - 48 philosopher profiles and an 82-term glossary. - 23 practice quizzes with 319 questions and answer explanations. - 16 thought experiments and 10 branches to explore. - Spaced review of glossary terms. - Search across lessons, courses, profiles and glossary entries. - Bookmarks, personal notes and study-progress views. - Lesson read-aloud using your device's system voice. - Home Screen widgets for a daily philosophical idea, term and thinker. STUDY INTERPRETATIONS WITH REFERENCES Dedicated source cards, daily ideas and profile passages present Liminal's original paraphrases with citations. They are interpretations for study, not verbatim translations of the cited works. READ WITHOUT A CONNECTION Lesson and reference text is bundled for offline reading, subject to the lesson unlock. Buying, restoring, checking changed purchase access and opening external links may require a connection. Narration uses the voices available on your device.

Screenshots

attentio Content Filter4 screens
Liminal4 screens

Verdict

The call

The clearest difference is update cadence: Liminal at every 2 weeks against attentio Content Filter'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. attentio Content Filter sells 1 in-app purchase, starting at $6.99 per month and Liminal sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

attentio Content Filter ships an update every 3 months, Liminal every 2 weeks. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
attentio Content Filter versus Liminal: the parameters behind the verdict, then further details
Parameterattentio Content FilterLiminal
PriceFreeFree
Rating—4.8 (5 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—5 — better
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
Monetization—Free
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size23 MB3 MB
Age rating4+9+
DeveloperEasyQuant UG (haftungsbeschrnkt)OMAR DANIEL GRAZIANO

In-app purchases

1 purchases

attentio Content Filter

Subscriptions1
  • Monk Mode Monthly Subscription$6.991 Month
1 purchases

Liminal

One-time1
  • Liminal Full Access$9.99

Questions

Is attentio Content Filter free?
attentio Content Filter is free to download, with in-app purchases available.
Is Liminal free?
Liminal is free to download, with in-app purchases available.
Do attentio Content Filter or Liminal have ads?
Neither attentio Content Filter nor Liminal shows ads.
Which is updated more often, attentio Content Filter or Liminal?
attentio Content Filter ships an update every 3 months, and Liminal every 2 weeks. Most recently, attentio Content Filter was updated on October 15, 2026 and Liminal on October 25, 2026.

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