# NDC Library vs IKWC

The clearest difference is update cadence: IKWC at every 2 weeks against NDC Library's every 2 months. NDC Library's advantage is iOS requirement (12.0 vs 16.4). 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.

NDC Library ships an update every 2 months, IKWC every 2 weeks. Both last shipped on October 7, 2026.

## The numbers

| Metric | NDC Library | IKWC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 24 MB | 57 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Refread Solutions Private Limited](https://appshunter.io/developer/1495104123) | [Indigenous Knowledge And Wisdom Centre Ltd.](https://appshunter.io/developer/1749517404) |

## What reviewers say

### NDC Library

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

**Features:** macOS Compatibility

**In-app purchases:** none


### IKWC

[App page](https://appshunter.io/ios/app/ikwc/id6503615621)

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

**In-app purchases:** none


## Frequently asked questions

### Is NDC Library free?

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

### Is IKWC free?

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

### Do NDC Library or IKWC have ads?

Neither NDC Library nor IKWC shows ads.

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

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