Knotifen vs Variance
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Knotifen
This app helps university students in the US stay connected and informed about campus life. Users can subscribe to specific interests, post updates, share information, and engage with their campus community.
- Personalized campus subscriptions
- Post and share updates
- Connect with campus community
- Interest-based content
- Stay informed on campus events
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Knotifen is your ultimate campus companion, designed for students in universities across the US. Stay informed and engaged with personalized subscriptions where you can post, share, and connect with your campus community. Choose from a variety of interests and get updates that matter to you. With Knotifen, you're always in the loop!
Variance
Prepare for quantitative finance interviews with this app. Practice probability, mental math, logic puzzles, and more with detailed solutions and progress tracking. Sharpen your mathematical intuition and problem-solving skills for trading and research roles.
- Probability practice
- Mental math exercises
- Logic puzzles
- Detailed solutions
- Progress tracking
- Topic-specific practice
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Variance is the ultimate quant interview prep app for aspiring traders, quant researchers, and finance professionals. Whether you're targeting a role at a hedge fund, trading firm, or just prepping for fun, Variance gives you the tools to practice the quantitative skills that top firms test — rigorously and on the go. WHAT YOU'LL PRACTICE • Probability • Mental math • Sequences & Patterns • Brainteasers & logic puzzles • Expected value FEATURES • Hundreds of problems across multiple difficulty levels • Detailed solutions and explanations for every question • Topic-by-topic practice to target your weak spots • Progress tracking to see how you improve over time • Clean, distraction-free interface built for focused study WHO IT'S FOR Variance is built for students and professionals preparing for quantitative interviews at top firms, and other top quant shops. It's also great for anyone who wants to sharpen their mathematical intuition and problem-solving speed. Prepare smarter. Interview with confidence. Download Variance today. Terms of Use: www.thequantprepapp.com/terms Privacy Policy: www.thequantprepapp.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Knotifen at none against Variance's 3. Knotifen also leads on iOS requirement (12.0 vs 26.0). Variance's advantage is rating (5.0 vs 4.8). On price, ratings volume, 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
Both are free to download. Variance sells 3 in-app purchases, starting at $9.99 per month. Knotifen asks for nothing beyond the download.
Variance holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 5 and 5 respectively.
| Parameter | Knotifen | Variance |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (5 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 5 | 5 |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 82 MB | 18 MB |
| Age rating | 12+ | 12+ |
| Developer | Richard Abhulimhen | Benjamin Kawano |
Customer experience
Knotifen
Variance
In-app purchases
Knotifen
No in-app purchases
Variance
- Variance Pro Monthly7 Days trial$9.991 Month
- Variance Pro 6-Month$49.996 Months
- Variance Pro Yearly$99.991 Year









