# Promise Piece vs Quadrant List

The clearest difference is in-app purchases: Promise Piece at none against Quadrant List's 2. Promise Piece also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Quadrant List sells 2 in-app purchases, starting at $0.99 per month. Promise Piece asks for nothing beyond the download.

## The numbers

| Metric | Promise Piece | Quadrant List |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | — |
| Size | 2 MB | 62 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Robert Mill](https://appshunter.io/developer/1861134631) | [中强 邓](https://appshunter.io/developer/1560935538) |

## What reviewers say

### Promise Piece

[App page](https://appshunter.io/ios/app/promise-piece/id6757153657)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quadrant List

[App page](https://appshunter.io/ios/app/quadrant-list/id6757751502)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP 连续包月 | $0.99 | per month |
| 永久VIP | $9.99 | one-time |


## Frequently asked questions

### Is Promise Piece free?

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

### Is Quadrant List free?

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

### Do Promise Piece or Quadrant List have ads?

Quadrant List shows ads; Promise Piece does not.

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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.*