# EC vs INS eLibrary Reader

The clearest difference is iOS requirement: EC at 14.0 against INS eLibrary Reader's 16.6. On price, update cadence, 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.

EC ships an update every 5 weeks, INS eLibrary Reader monthly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EC | INS eLibrary Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Size | 75 MB | 77 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [EC-Council](https://appshunter.io/developer/1413796830) | [Infusion Nurses Society Inc](https://appshunter.io/developer/1887479792) |

## What reviewers say

### EC

[App page](https://appshunter.io/ios/app/ec-council-ebook-reader/id6478520446)

**Features:** macOS Compatibility

**In-app purchases:** none


### INS eLibrary Reader

[App page](https://appshunter.io/ios/app/ins-elibrary-reader/id6761044274)

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

**In-app purchases:** none


## Frequently asked questions

### Is EC free?

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

### Is INS eLibrary Reader free?

INS eLibrary Reader is free to download, with no in-app purchases.

### Do EC or INS eLibrary Reader have ads?

Neither EC nor INS eLibrary Reader shows ads.

### Which is updated more often, EC or INS eLibrary Reader?

EC ships an update every 5 weeks, and INS eLibrary Reader monthly. Most recently, EC was updated on November 8, 2026 and INS eLibrary Reader on October 31, 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.*