# PooPrints vs OIYN

The clearest difference is rating: OIYN at 4.3 against PooPrints's 3.6. OIYN also leads on update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

OIYN holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 7 and 6 respectively.

PooPrints ships an update every 2 months, OIYN every 3 weeks. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | PooPrints | OIYN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/pooprints/id1488032183/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/oiyn/id6773618799/reviews)** |
| Number of ratings | **7** | 6 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 103 MB | 100 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BioPetLabs](https://appshunter.io/developer/1488032182) | [Shenzhen Giant Lighting Technology Co., Ltd](https://appshunter.io/developer/1771136894) |

## What reviewers say

### PooPrints

[App page](https://appshunter.io/ios/app/pooprints/id1488032183)

This service uses DNA technology to help communities and municipalities manage unscooped dog waste. The companion app simplifies program management for users. It's a global leader in DNA dog waste management.

**Highlights:** DNA dog waste management, Combats unscooped dog waste, Simplifies program management, Global service provider, Partners with communities and municipalities

**Features:** Vision Pro support

**In-app purchases:** none


### OIYN

[App page](https://appshunter.io/ios/app/oiyn/id6773618799)

Control your lights via Bluetooth. This app identifies lighting fixtures, displays signal strength, and allows for dimming, color, and scene adjustments. It also features a music rhythm mode and supports multi-device control through scenarios.

**Highlights:** Bluetooth BLE control, Lighting fixture recognition, Signal strength display, Dimming and color settings, Scene and mode presets, Music rhythm synchronization, Multi-device scenario control

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

**In-app purchases:** none


## Frequently asked questions

### Is PooPrints free?

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

### Is OIYN free?

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

### Which has better reviews, PooPrints or OIYN?

OIYN is rated higher. PooPrints averages 3.6 out of 5 from 7 ratings, while OIYN averages 4.3 from 6 ratings.

### Do PooPrints or OIYN have ads?

Neither PooPrints nor OIYN shows ads.

### Which is updated more often, PooPrints or OIYN?

PooPrints ships an update every 2 months, and OIYN every 3 weeks. Most recently, PooPrints was updated on October 24, 2026 and OIYN on October 18, 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.*