Comparison

LUIS CAMPUS vs 900s

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

Head to head
About

LUIS CAMPUS

Features
Read full description

Welcome to LUIS CAMPUS, your online academy. Interactive training for effective learning at LUIS Technology. Download now! Features: - Video lectures: Learn & review all relevant concepts faster, easier - Learning Material: Download a PDF of any lecture’s slides for later reference - Study planner: Plan your learning goals - Learning progress control: Check your progress for each course - Synchronization between all devices: Simply continue learning seamlessly on another device - Offline availability: Learn on the go - Notes: Create notes about your lectures - Playback speed: Adjust the speed of the videos to your learning speed

About

900s

Learn complex ideas through engaging, podcast-style audio episodes. Interact with AI to ask questions and explore topics in real-time. Fits learning into short daily sessions.

Highlights
  • Podcast-style learning episodes
  • AI-powered interactive Q&A
  • Curated content across genres
  • Personalized library and progress tracking
  • Background audio playback
  • Offline downloads (Premium)
Features
Read full description

Meet 900s – the smartest way to learn in just 15 minutes a day. 900s turns the most relevant content into engaging, podcast-style episodes that fit perfectly into your 10-20 minute focus window. Tap play and dive into professionally narrated, 15-minute (900 seconds) chapters that make complex ideas stick. When curiosity strikes, simply hit the microphone button to start a live AI conversation with the book: ask questions, request clarifications, or explore related topics in real time – it feels like chatting with the author. Key features β€’ Discover curated book episodes on technology, business, science, and more β€’ Search by keyword or browse by genre to find your next listen fast β€’ Mini player with 15-sec skip/back, background audio, and quick resume β€’ Real-time Interactive Audio Mode powered by AI & WebRTC β€’ Personal Library with Continue Listening & Finished lists β€’ Optional Premium upgrade: unlimited listening, ad-free, offline downloads Spend just 900 seconds a day (1 % of your time) and accumulate 90+ hours of deep learning each year. 900s makes learning as effortless as a podcast and as powerful as a tutor. Download now and start your 15-minute learning journey! Terms of Use: https://www.900s.app/legal#terms

Screenshots

LUIS CAMPUS3 screens
900s4 screens

Verdict

The call

The clearest difference is in-app purchases: LUIS CAMPUS at none against 900s's 4. LUIS CAMPUS also leads on device support (3 vs 1). 900s's advantage is update cadence (every 2 weeks vs every 8 months). On price, ads and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. 900s sells 4 in-app purchases, starting at $0.99 per month. LUIS CAMPUS asks for nothing beyond the download.

UpkeepUpdate frequency

LUIS CAMPUS ships an update every 8 months, 900s every 2 weeks. Both last shipped on November 12, 2026.

Scorecard3 real differences Β· 5 level
LUIS CAMPUS versus 900s: the parameters behind the verdict, then further details
ParameterLUIS CAMPUS900s
PriceFreeFree
Positive reviewsβ€”75.0% of reviews
Update frequencyEvery 8 monthsEvery 2 weeks β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
Monetizationβ€”Freemium
DevicesiPhone, iPad, iPod β€” betteriPhone
Requires iOS15.0 β€” better16.4
Further details β€” not scored
Size117 MB77 MB
Age rating17+4+
DeveloperLecturio GmbHUnit U+2467 GmbH

In-app purchases

None

LUIS CAMPUS

No in-app purchases

4 purchases

900s

Subscriptions4
  • Basic – monatlich7 Days trial$0.991 Month
  • Plus – monatlich7 Days trial$2.991 Month
  • BILDplus + 900s1 Month trial$6.991 Month
Show 1 more
  • Ultimate$8.991 Month

Questions

Is LUIS CAMPUS free?
LUIS CAMPUS is free to download, with no in-app purchases.
Is 900s free?
900s is free to download, with in-app purchases available.
Do LUIS CAMPUS or 900s have ads?
Neither LUIS CAMPUS nor 900s shows ads.
Which is updated more often, LUIS CAMPUS or 900s?
LUIS CAMPUS ships an update every 8 months, and 900s every 2 weeks. Most recently, LUIS CAMPUS was updated on November 12, 2026 and 900s on November 12, 2026.

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