# Chalk That vs PropFox

The clearest difference is in-app purchases: Chalk That at none against PropFox's 2. Chalk That also leads on update cadence (daily vs every 2 weeks). PropFox's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. PropFox sells 2 in-app purchases, starting at $19.99 per month. Chalk That asks for nothing beyond the download.

Chalk That ships an update daily, PropFox every 2 weeks. The most recent releases landed on October 1, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Chalk That | PropFox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/propfox/id6803345449/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | — | Subscription |
| Size | 8 MB | 15 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Jay Deguzman](https://appshunter.io/developer/1798286033) | [Roman Turangan](https://appshunter.io/developer/6803345451) |

## What reviewers say

### Chalk That

[App page](https://appshunter.io/ios/app/chalk-that/id6781958139)

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

**In-app purchases:** none


### PropFox

[App page](https://appshunter.io/ios/app/propfox/id6803345449)

This sports analytics tool uses a statistical model to simulate games and provide calibrated over/under probabilities for player props. It offers insights into NFL, MLB, NBA, and international soccer, focusing on high-confidence picks and transparent methodology.

**Highlights:** Player-prop projections (NFL, MLB, NBA), Monte-Carlo game simulations, Daily board with high-confidence picks, Model newsroom and transparent methodology, International soccer tournament coverage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PropFox Monthly | $19.99 | per month |
| PropFox Yearly | $199.99 | per year |


## Frequently asked questions

### Is Chalk That free?

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

### Is PropFox free?

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

### Do Chalk That or PropFox have ads?

Neither Chalk That nor PropFox shows ads.

### Which is updated more often, Chalk That or PropFox?

Chalk That ships an update daily, and PropFox every 2 weeks. Most recently, Chalk That was updated on October 1, 2026 and PropFox on October 16, 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.*