# Kaspa Observer vs SimplyPaid

The clearest difference is in-app purchases: Kaspa Observer at none against SimplyPaid's 1. Kaspa Observer also leads on iOS requirement (15.5 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. SimplyPaid sells 1 one-off in-app purchase. Kaspa Observer asks for nothing beyond the download.

## The numbers

| Metric | Kaspa Observer | SimplyPaid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | — |
| Size | 74 MB | 3 MB |
| Requires iOS | **15.5** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Nikolai Karavanov](https://appshunter.io/developer/1829272078) | [ACS4Law](https://appshunter.io/developer/372347921) |

## What reviewers say

### Kaspa Observer

[App page](https://appshunter.io/ios/app/kaspa-observer/id6749205046)

**Features:** macOS Compatibility

**In-app purchases:** none


### SimplyPaid

[App page](https://appshunter.io/ios/app/simplypaid/id6757959170)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | one-time |


## Frequently asked questions

### Is Kaspa Observer free?

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

### Is SimplyPaid free?

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

### Do Kaspa Observer or SimplyPaid have ads?

Neither Kaspa Observer nor SimplyPaid 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.*