# OPTICHECK Level Mobile vs PayPerPoop

The clearest difference is in-app purchases: OPTICHECK Level Mobile at none against PayPerPoop's 1. OPTICHECK Level Mobile also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.6). On price, update cadence and device support there is nothing between them.

Both are free to download. PayPerPoop sells 1 one-off in-app purchase. OPTICHECK Level Mobile asks for nothing beyond the download.

OPTICHECK Level Mobile ships an update every 3 months, PayPerPoop every 2 months. The most recent releases landed on October 4, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | OPTICHECK Level Mobile | PayPerPoop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 242 MB | 22 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 9+ |
| Developer | [KROHNE Messtechnik GmbH](https://appshunter.io/developer/1445655816) | [ALEK AKSLAND PEREZ](https://appshunter.io/developer/1802553497) |

## What reviewers say

### OPTICHECK Level Mobile

[App page](https://appshunter.io/ios/app/opticheck-level-mobile/id1596750666)

**Features:** macOS Compatibility

**In-app purchases:** none


### PayPerPoop

[App page](https://appshunter.io/ios/app/payperpoop/id6743385373)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |


## Frequently asked questions

### Is OPTICHECK Level Mobile free?

OPTICHECK Level Mobile is free to download, with no in-app purchases.

### Is PayPerPoop free?

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

### Do OPTICHECK Level Mobile or PayPerPoop have ads?

PayPerPoop shows ads; OPTICHECK Level Mobile does not.

### Which is updated more often, OPTICHECK Level Mobile or PayPerPoop?

OPTICHECK Level Mobile ships an update every 3 months, and PayPerPoop every 2 months. Most recently, OPTICHECK Level Mobile was updated on October 4, 2026 and PayPerPoop on October 10, 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.*