# SIRS vs PE

The clearest difference is iOS requirement: SIRS at 11.0 against PE's 26.4. On price, ads, in-app purchases and device support there is nothing between them.

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

## The numbers

| Metric | SIRS | PE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 34 MB | 2 MB |
| Requires iOS | **11.0** | 26.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Adnan Ashraf](https://appshunter.io/developer/1212120305) | [Ryan Mitchell](https://appshunter.io/developer/1894938752) |

## What reviewers say

### SIRS

[App page](https://appshunter.io/ios/app/sirs-2023/id6458100492)

**Features:** macOS Compatibility

**In-app purchases:** none


### PE

[App page](https://appshunter.io/ios/app/pe-score/id6762666337)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIRS free?

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

### Is PE free?

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

### Do SIRS or PE have ads?

Neither SIRS nor PE 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.*