# WhoPoo vs GreyLeash

The clearest difference is rating: GreyLeash at 4.4 against WhoPoo's 2.4. GreyLeash also leads on update cadence (fortnightly vs every 2 months). WhoPoo's advantage is in-app purchases (none vs 2). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. GreyLeash sells 2 in-app purchases, starting at $9.99 per month. WhoPoo asks for nothing beyond the download.

GreyLeash holds the better App Store score, 4.4 against 2.4. Both are backed by a comparable volume of ratings — 11 and 5 respectively.

WhoPoo ships an update every 2 months, GreyLeash fortnightly. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | WhoPoo | GreyLeash |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (11 ratings)](https://appshunter.io/ios/app/whopoo/id1562200973/reviews) | **[4.4 (5 ratings)](https://appshunter.io/ios/app/greyleash-pet-emergency-plan/id6761598455/reviews)** |
| Number of ratings | **11** | 5 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | **Free** | Subscription |
| Size | 46 MB | 33 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Sass Law LLC](https://appshunter.io/developer/1562200976) | [Mithril Holdings LLC](https://appshunter.io/developer/1890377004) |

## What reviewers say

### WhoPoo

[App page](https://appshunter.io/ios/app/whopoo/id1562200973)

Discover and learn about animal droppings and tracks encountered during outdoor activities. Contribute your own findings to a shared encyclopedia, enhancing your understanding of local wildlife.

**Highlights:** Identify animal droppings, Identify animal tracks, Learn about wildlife, Contribute photos to encyclopedia, Interactive outdoor exploration

**Features:** macOS Compatibility

**In-app purchases:** none


### GreyLeash

[App page](https://appshunter.io/ios/app/greyleash-pet-emergency-plan/id6761598455)

This app ensures your pets are cared for if you're unable to. It allows you to store detailed pet information and designate trusted caretakers who will be notified if you miss a check-in. Create a comprehensive pet care plan for peace of mind.

**Highlights:** Add detailed pet profiles, Designate up to 3 trusted caretakers, Automated check-in system, SMS alerts to caretakers, Voice-first input for pet routines, Shareable pet care estate document

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $99.99 | per year |


## Frequently asked questions

### Is WhoPoo free?

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

### Is GreyLeash free?

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

### Which has better reviews, WhoPoo or GreyLeash?

GreyLeash is rated higher. WhoPoo averages 2.4 out of 5 from 11 ratings, while GreyLeash averages 4.4 from 5 ratings.

### Do WhoPoo or GreyLeash have ads?

Neither WhoPoo nor GreyLeash shows ads.

### Which is updated more often, WhoPoo or GreyLeash?

WhoPoo ships an update every 2 months, and GreyLeash fortnightly. Most recently, WhoPoo was updated on November 3, 2026 and GreyLeash on November 5, 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.*