# Quadrant vs Fermi

The clearest difference is in-app purchases: Quadrant at none against Fermi's 2. Fermi's advantage is chart position (#178 vs unranked) and iOS requirement (16.4 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. Fermi sells 2 in-app purchases, starting at $5.99 per 7 days. Quadrant asks for nothing beyond the download.

## The numbers

| Metric | Quadrant | Fermi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (7 ratings)](https://appshunter.io/ios/app/fermi-daily-guessing-game/id6811708909/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 5 days |
| Monetization | — | Subscription |
| Best chart rank | — | **#178** |
| Size | 191 MB | 43 MB |
| Requires iOS | 26.4 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [lipdila's coding](https://appshunter.io/developer/501197529) | [ZEYNEP CEREN GEMICI](https://appshunter.io/developer/6804063057) |

## What reviewers say

### Quadrant

[App page](https://appshunter.io/ios/app/quadrant/id6788873870)

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

**In-app purchases:** none


### Fermi

[App page](https://appshunter.io/ios/app/fermi-daily-guessing-game/id6811708909)

**Currently charting:** #178 Top Grossing · Trivia (US App Store)

This game challenges you to estimate answers to complex questions without looking them up. It trains your reasoning skills by breaking down problems and making educated guesses. Compete on daily leaderboards and track your progress.

**Highlights:** Three daily estimation questions, Score based on proximity to the truth, Daily, weekly, and monthly leaderboards, Personal best and round history, Archive of past games, Sources for all answers, Metric or imperial units

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fermi Subscriber Weekly | $5.99 | per 7 days |
| Fermi Subscriber Annual | $34.99 | per year |


## Frequently asked questions

### Is Quadrant free?

Quadrant is free to download, with no in-app purchases.

### Is Fermi free?

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

### Do Quadrant or Fermi have ads?

Neither Quadrant nor Fermi shows ads.

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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.*