# B vs Little Grey Book

The clearest difference is rating: Little Grey Book at 4.5 against B's 2.3. Little Grey Book also leads on update cadence (every 3 months vs every 18 months). B's advantage is device support (3 vs 1) and iOS requirement (9.0 vs 17.0). 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.

Little Grey Book holds the better App Store score, 4.5 against 2.3. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

B ships an update every 18 months, Little Grey Book every 3 months. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | B | Little Grey Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/b-safe/id1412310050/reviews) | **[4.5 (4 ratings)](https://appshunter.io/ios/app/little-grey-book/id6499083339/reviews)** |
| Number of ratings | 3 | **4** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 30 MB | 13 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [Navigate360, LLC](https://appshunter.io/developer/1562199710) | [niv ben-porath](https://appshunter.io/developer/896424268) |

## What reviewers say

### B

[App page](https://appshunter.io/ios/app/b-safe/id1412310050)

This app allows students, parents, and community members to anonymously report crimes and safety concerns. It facilitates secure communication and allows for the upload of photos and videos to provide accurate information for intervention and prevention.

**Highlights:** Anonymous reporting, Crime and safety concern submission, Secure two-way dialog, Photo and video upload, School personnel and law enforcement communication

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is B free?

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

### Is Little Grey Book free?

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

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

Little Grey Book is rated higher. B averages 2.3 out of 5 from 3 ratings, while Little Grey Book averages 4.5 from 4 ratings.

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

Neither B nor Little Grey Book shows ads.

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

B ships an update every 18 months, and Little Grey Book every 3 months. Most recently, B was updated on October 24, 2026 and Little Grey Book on October 21, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*