# Prompt 21 vs ReturnPing

The clearest difference is in-app purchases: Prompt 21 at none against ReturnPing's 1. Prompt 21 also leads on ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. ReturnPing sells 1 one-off in-app purchase. Prompt 21 asks for nothing beyond the download.

## The numbers

| Metric | Prompt 21 | ReturnPing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 days | — |
| Size | 39 MB | 30 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Cheuk Hin Wong](https://appshunter.io/developer/1833016596) | [Chandra vardhan Singh Solanki](https://appshunter.io/developer/6797195695) |

## What reviewers say

### Prompt 21

[App page](https://appshunter.io/ios/app/prompt-21/id6752573818)

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

**In-app purchases:** none


### ReturnPing

[App page](https://appshunter.io/ios/app/returnping/id6797195693)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReturnPing Lifetime Pro | $9.99 | one-time |


## Frequently asked questions

### Is Prompt 21 free?

Prompt 21 is free to download, with no in-app purchases.

### Is ReturnPing free?

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

### Do Prompt 21 or ReturnPing have ads?

ReturnPing shows ads; Prompt 21 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.*