# Defibrillator vs Peri

The clearest difference is in-app purchases: Defibrillator at none against Peri's 2. Defibrillator also leads on iOS requirement (10.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Peri sells 2 in-app purchases, starting at $2.99 per month. Defibrillator asks for nothing beyond the download.

## The numbers

| Metric | Defibrillator | Peri |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/peri-perimenopause-tracker/id6762806616/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 17 MB | 8 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Bekescsaba](https://appshunter.io/developer/1260952316) | [Dysbert Tovar](https://appshunter.io/developer/1895020738) |

## What reviewers say

### Defibrillator

[App page](https://appshunter.io/ios/app/defibrillator/id1260952317)

**Features:** macOS Compatibility

**In-app purchases:** none


### Peri

[App page](https://appshunter.io/ios/app/peri-perimenopause-tracker/id6762806616)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peri Premium | $2.99 | per month |
| Peri Premium Annual | $24.99 | per year |


## Frequently asked questions

### Is Defibrillator free?

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

### Is Peri free?

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

### Do Defibrillator or Peri have ads?

Neither Defibrillator nor Peri 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.*