# PPF vs Math Formulas & Symbols

The clearest difference is ads: PPF at none against Math Formulas & Symbols's shown. PPF also leads on update cadence (fortnightly vs every 20 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PPF ships an update fortnightly, Math Formulas & Symbols every 20 months. The most recent releases landed on October 25, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | PPF | Math Formulas & Symbols |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 20 months |
| Size | 784 MB | 17 MB |
| Requires iOS | 15.0 | 15 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | +4 |
| Developer | [Arthur Volpato Batista](https://appshunter.io/developer/1593472564) | [Jakir Hossain](https://appshunter.io/developer/939662527) |

## What reviewers say

### PPF

[App page](https://appshunter.io/ios/app/ppf/id6503098097)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Formulas & Symbols

[App page](https://appshunter.io/ios/app/math-formulas-and-symbols/id6743053745)

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

**In-app purchases:** none


## Frequently asked questions

### Is PPF free?

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

### Is Math Formulas & Symbols free?

Math Formulas & Symbols is free to download, with no in-app purchases.

### Do PPF or Math Formulas & Symbols have ads?

Math Formulas & Symbols shows ads; PPF does not.

### Which is updated more often, PPF or Math Formulas & Symbols?

PPF ships an update fortnightly, and Math Formulas & Symbols every 20 months. Most recently, PPF was updated on October 25, 2026 and Math Formulas & Symbols on November 4, 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.*