# E vs NDC Library

The clearest difference is ads: NDC Library at none against E's shown. NDC Library also leads on update cadence (every 2 months vs every 112 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

E ships an update every 112 months, NDC Library every 2 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | E | NDC Library |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 112 months | **Every 2 months** |
| Size | 73 MB | 24 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hany Elmehy](https://appshunter.io/developer/959484887) | [Refread Solutions Private Limited](https://appshunter.io/developer/1495104123) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-a-dictionary-offline/id1150808613)

**Features:** macOS Compatibility

**In-app purchases:** none


### NDC Library

[App page](https://appshunter.io/ios/app/ndc-library/id1498650441)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is E free?

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

### Is NDC Library free?

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

### Do E or NDC Library have ads?

E shows ads; NDC Library does not.

### Which is updated more often, E or NDC Library?

E ships an update every 112 months, and NDC Library every 2 months. Most recently, E was updated on October 5, 2026 and NDC Library on October 7, 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.*