# Pei vs Kardio App

The clearest difference is device support: Pei at 3 against Kardio App's 1. Pei also leads on iOS requirement (13.0 vs 16.6). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Pei ships an update monthly, Kardio App every 5 weeks. The most recent releases landed on October 20, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Pei | Kardio App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/pei/id1313845438/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 43 MB | 51 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Greiðslumiðlun ehf.](https://appshunter.io/developer/1375507262) | [Sway Payments](https://appshunter.io/developer/940799764) |

## What reviewers say

### Pei

[App page](https://appshunter.io/ios/app/pei/id1313845438)

This app allows users to make secure payments in stores or by scanning barcodes, with options for payment installments or extended interest-free payment terms. Users can also view a list of participating merchants and their details.

**Highlights:** In-store payments, Barcode scanning, Payment installments, Extended interest-free payment terms, Merchant directory, View spending limits

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

**In-app purchases:** none


### Kardio App

[App page](https://appshunter.io/ios/app/kardio-app/id6473627056)

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

**In-app purchases:** none


## Frequently asked questions

### Is Pei free?

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

### Is Kardio App free?

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

### Do Pei or Kardio App have ads?

Neither Pei nor Kardio App shows ads.

### Which is updated more often, Pei or Kardio App?

Pei ships an update monthly, and Kardio App every 5 weeks. Most recently, Pei was updated on October 20, 2026 and Kardio App on October 27, 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.*