# Little Grey Book vs PetsPro

The clearest difference is rating: PetsPro at 5.0 against Little Grey Book's 4.5. PetsPro also leads on update cadence (every 2 weeks vs every 3 months). Little Grey Book's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. PetsPro sells 1 one-off in-app purchase. Little Grey Book asks for nothing beyond the download.

PetsPro holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Little Grey Book ships an update every 3 months, PetsPro every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Little Grey Book | PetsPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (4 ratings)](https://appshunter.io/ios/app/little-grey-book/id6499083339/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/petspro/id6749335820/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 13 MB | 21 MB |
| Requires iOS | **17.0** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 9+ | 17+ |
| Developer | [niv ben-porath](https://appshunter.io/developer/896424268) | [APPLOAD LLC (NJ)](https://appshunter.io/developer/1825689362) |

## What reviewers say

### Little Grey Book

[App page](https://appshunter.io/ios/app/little-grey-book/id6499083339)

Enhance your Agatha Christie reading experience with a companion app. Track your progress, take notes with text scanning, and test your detective skills with a "Whodunnit Challenge." Explore the complete novel collection and personalize your reading journey.

**Highlights:** Whodunnit Challenge, Text scanning note-taking, Home screen widgets, Complete novel collection, Monthly read notifications, Personalization options, Book filtering by status

**Features:** macOS Compatibility

**In-app purchases:** none


### PetsPro

[App page](https://appshunter.io/ios/app/petspro/id6749335820)

Organize all your pet's health information, including vaccinations, medications, and vet records, in one place. Receive smart reminders and access essential details quickly for any situation.

**Highlights:** All-in-one pet profiles (up to 25 pets), Smart health tracking and reminders, Organized medical records with document attachments, Vet-ready information sharing, Customizable notifications, Quick-access star button for essential info, Secure iCloud backup and local export

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| English | $1.99 | one-time |


## Frequently asked questions

### Is Little Grey Book free?

Little Grey Book is free to download, with no in-app purchases.

### Is PetsPro free?

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

### Which has better reviews, Little Grey Book or PetsPro?

PetsPro is rated higher. Little Grey Book averages 4.5 out of 5 from 4 ratings, while PetsPro averages 5.0 from 2 ratings.

### Do Little Grey Book or PetsPro have ads?

Neither Little Grey Book nor PetsPro shows ads.

### Which is updated more often, Little Grey Book or PetsPro?

Little Grey Book ships an update every 3 months, and PetsPro every 2 weeks. Most recently, Little Grey Book was updated on November 4, 2026 and PetsPro 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.*