# Variance vs Hackathons @ Berkeley

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.

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.

## The numbers

| Metric | Variance | Hackathons @ Berkeley |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839/reviews)** | [4.4 (7 ratings)](https://appshunter.io/ios/app/hackathons-berkeley/id6761351929/reviews) |
| Number of ratings | **8** | 7 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 20 MB | 166 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Benjamin Kawano](https://appshunter.io/developer/1885410913) | [Cal Hacks Foundation](https://appshunter.io/developer/1889076569) |

## What reviewers say

### Variance

[App page](https://appshunter.io/ios/app/variance-the-quant-prep-app/id6760629839)

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.

**Highlights:** Probability practice, Mental math exercises, Logic puzzles, Detailed solutions, Progress tracking, Topic-specific practice

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Variance Pro Monthly | $9.99 | per month |
| Variance Pro 6-Month | $49.99 | per 6 months |


### Hackathons @ Berkeley

[App page](https://appshunter.io/ios/app/hackathons-berkeley/id6761351929)

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.

**Highlights:** View full hackathon schedule, Search and filter events, Bookmark events for reminders, Explore venue maps, Receive announcements, Access digital badge

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Variance free?

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

### Is Hackathons @ Berkeley free?

Hackathons @ Berkeley is free to download, with no in-app purchases.

### Which has better reviews, Variance or Hackathons @ Berkeley?

Variance is rated higher. Variance averages 5.0 out of 5 from 8 ratings, while Hackathons @ Berkeley averages 4.4 from 7 ratings.

### Do Variance or Hackathons @ Berkeley have ads?

Neither Variance nor Hackathons @ Berkeley shows ads.

### Which is updated more often, Variance or Hackathons @ Berkeley?

Variance ships an update every 11 days, and Hackathons @ Berkeley every 2 months. Most recently, Variance was updated on November 5, 2026 and Hackathons @ Berkeley on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*