# PurerAir vs Basic Card Wallet

The clearest difference is iOS requirement: PurerAir at 15.0 against Basic Card Wallet's 18.6. 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 | PurerAir | Basic Card Wallet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 57 MB | 39 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CARBON CREDIT TECHNOLOGY LTD](https://appshunter.io/developer/1839141683) | [Anson Tsao](https://appshunter.io/developer/1356720455) |

## What reviewers say

### PurerAir

[App page](https://appshunter.io/ios/app/purerair-air-quality-tracker/id6752372471)

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

**In-app purchases:** none


### Basic Card Wallet

[App page](https://appshunter.io/ios/app/basic-card-wallet/id6757723022)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PurerAir free?

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

### Is Basic Card Wallet free?

Basic Card Wallet is free to download, with no in-app purchases.

### Do PurerAir or Basic Card Wallet have ads?

Neither PurerAir nor Basic Card Wallet shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*