# Math Automata vs Predicate Logic Foundations

The clearest difference is in-app purchases: Predicate Logic Foundations at none against Math Automata's 1. Predicate Logic Foundations also leads on ads (none vs shown). Math Automata's advantage is iOS requirement (13.0 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Math Automata sells 1 one-off in-app purchase. Predicate Logic Foundations asks for nothing beyond the download.

## The numbers

| Metric | Math Automata | Predicate Logic Foundations |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | — |
| Size | 123 MB | 38 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [seoro lee](https://appshunter.io/developer/1868875657) | [AFTW LLC](https://appshunter.io/developer/1886356149) |

## What reviewers say

### Math Automata

[App page](https://appshunter.io/ios/app/math-automata/id6758681941)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 hints | $0.99 | one-time |


### Predicate Logic Foundations

[App page](https://appshunter.io/ios/app/predicate-logic-foundations/id6773451459)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Automata free?

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

### Is Predicate Logic Foundations free?

Predicate Logic Foundations is free to download, with no in-app purchases.

### Do Math Automata or Predicate Logic Foundations have ads?

Math Automata shows ads; Predicate Logic Foundations does not.

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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.*