# DLD4.0 vs RTP Book

The clearest difference is update cadence: RTP Book at weekly against DLD4.0's monthly. RTP Book also leads on iOS requirement (9.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

DLD4.0 ships an update monthly, RTP Book weekly. The most recent releases landed on June 26, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | DLD4.0 | RTP Book |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 73 MB | 100 MB |
| Requires iOS | 16.6 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Department of Livestock Development](https://appshunter.io/developer/1051832358) | [Royal Thai Police](https://appshunter.io/developer/1263646087) |

## What reviewers say

### DLD4.0

[App page](https://appshunter.io/ios/app/dld40/id1266600685)

This application disseminates knowledge about animal husbandry, allows reporting of incidents, and provides assistance related to livestock and veterinary law. It keeps users informed with the latest announcements and alerts concerning animals, ensuring timely and efficient access to information from the Department of Livestock Development.

**Highlights:** User grouping by type, Animal news updates, Livestock knowledge dissemination, Livestock event calendar, Animal husbandry alerts, Incident reporting and legal assistance, Push notification alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### RTP Book

[App page](https://appshunter.io/ios/app/rtp-book/id1533562998)

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

**In-app purchases:** none


## Frequently asked questions

### Is DLD4.0 free?

DLD4.0 is free to download, with no in-app purchases.

### Is RTP Book free?

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

### Do DLD4.0 or RTP Book have ads?

Neither DLD4.0 nor RTP Book shows ads.

### Which is updated more often, DLD4.0 or RTP Book?

DLD4.0 ships an update monthly, and RTP Book weekly. Most recently, DLD4.0 was updated on June 26, 2026 and RTP Book on September 22, 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.*