# D vs ERA Mobile App

The clearest difference is iOS requirement: D at 12.1 against ERA Mobile App's 15.6. 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.

## The numbers

| Metric | D | ERA Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/d-library/id1581752781/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 22 MB | 50 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [SOKPHATH LY](https://appshunter.io/developer/1581752784) | [Heng Kim](https://appshunter.io/developer/1611518675) |

## What reviewers say

### D

[App page](https://appshunter.io/ios/app/d-library/id1581752781)

Access a wide range of books for students from grade 1 to 12, along with resources on agriculture, art, law, and regulations. This digital library offers diverse educational content for various learning needs.

**Highlights:** Books for grades 1-12, Agriculture resources, Art and law sections, Regulatory information, Digital library access

**Features:** macOS Compatibility

**In-app purchases:** none


### ERA Mobile App

[App page](https://appshunter.io/ios/app/era-mobile-app/id6744351186)

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

**In-app purchases:** none


## Frequently asked questions

### Is D free?

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

### Is ERA Mobile App free?

ERA Mobile App is free to download, with no in-app purchases.

### Do D or ERA Mobile App have ads?

Neither D nor ERA Mobile App shows ads.

---

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