Variance vs Hackathons @ Berkeley
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
Prepare for quant interviews with focused practice in probability, mental math, sequences, and brainteasers. Variance brings quantitative training, performance comparisons, market reading, and career discovery into one app. Whether you're preparing for a trading or quant research interview, or sharpening your problem-solving skills, build a practice routine that fits your day. PRACTICE QUANTITATIVE SKILLS • Mental math and arithmetic • Probability and statistics • Expected value and conditional probability • Sequences and pattern recognition • Brainteasers and logic puzzles BUILD YOUR TRAINING ROUTINE Explore different practice modes and difficulty levels. Focus on specific topics, challenge your speed and accuracy, and review explanations in supported question modes. KNOW WHERE YOU STAND Track your performance and personal bests. Explore score distributions and percentile comparisons to understand how your results compare with other players. COMPETE AND STAY MOTIVATED Compare results on global leaderboards and work toward your next personal best. EXPLORE MARKETS AND CAREERS Read the market brief, browse finance firms, and discover quant internship and full-time opportunities through links to career resources and job boards. Built for students, aspiring traders, quant researchers, and anyone who enjoys quantitative problem-solving. Train with purpose. Prepare with Variance. Terms of Use: https://www.thequantprepapp.com/terms Privacy Policy: https://www.thequantprepapp.com/privacy
Hackathons @ Berkeley
This app serves as an official companion for an AI hackathon, providing a central hub for attendees. Users can view the schedule, filter events, set reminders, and access venue maps. It also facilitates receiving important announcements and digital credentials.
- View full hackathon schedule
- Search and filter events
- Bookmark events for reminders
- Explore venue maps
- Receive announcements
- Access digital badge
Read full descriptionHide full description
The HackBerkeley app is the official companion app for Cal Hacks 13.0. Use it as the perfect hive to: - View the full hackathon schedule - Bookmark events for reminders - Complete airline adventures for cool rewards during the hackathon! - Form the perfect hackathon team - Explore venue maps and linked event locations - Receive important announcements and updates - Access your digital badge and wallet pass
Screenshots
Verdict
The clearest difference is rating: Variance at 5.0 against Hackathons @ Berkeley's 4.4. Variance also leads on update cadence (every 11 days vs every 2 months). Hackathons @ Berkeley's advantage is in-app purchases (none vs 2) and iOS requirement (16.4 vs 26.0). 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 2 in-app purchases, starting at $9.99 per month. Hackathons @ Berkeley asks for nothing beyond the download.
Variance holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 8 and 7 respectively.
Variance ships an update every 11 days, Hackathons @ Berkeley every 2 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Variance | Hackathons @ Berkeley |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | 4.4 (7 ratings) |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 8 — better | 7 |
| Update frequency | Every 11 days — better | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 20 MB | 166 MB |
| Age rating | 12+ | 4+ |
| Developer | Benjamin Kawano | Cal Hacks Foundation |
Customer experience
Variance
Hackathons @ Berkeley
In-app purchases
Variance
- Variance Pro Monthly7 Days trial$9.991 Month
- Variance Pro 6-Month$49.996 Months
Hackathons @ Berkeley
No in-app purchases
Questions
Is Variance free?
Is Hackathons @ Berkeley free?
Which has better reviews, Variance or Hackathons @ Berkeley?
Do Variance or Hackathons @ Berkeley have ads?
Which is updated more often, Variance or Hackathons @ Berkeley?
Other comparisons
