# HerdLogic vs HerdBook

The clearest difference is in-app purchases: HerdLogic at none against HerdBook's 2. HerdLogic also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | HerdLogic | HerdBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 51 MB | 16 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [PRN Digital Ventures LLC](https://appshunter.io/developer/1879965083) | [Omer Tevfik](https://appshunter.io/developer/1875630594) |

## What reviewers say

### HerdLogic

[App page](https://appshunter.io/ios/app/herdlogic/id6779952904)

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

**In-app purchases:** none


### HerdBook

[App page](https://appshunter.io/ios/app/herdbook/id6783986447)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HerdBook Pro | $9.99 | per month |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is HerdLogic free?

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

### Is HerdBook free?

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

### Do HerdLogic or HerdBook have ads?

Neither HerdLogic nor HerdBook shows ads.

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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.*