# NIO vs CoBook.org

The clearest difference is update cadence: CoBook.org at weekly against NIO's monthly. NIO's advantage is iOS requirement (14.0 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.

NIO ships an update monthly, CoBook.org weekly. The most recent releases landed on September 26, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | NIO | CoBook.org |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 230 MB | 83 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [NIO GmbH](https://appshunter.io/developer/1574295992) | [CoBook](https://appshunter.io/developer/1516559062) |

## What reviewers say

### NIO

[App page](https://appshunter.io/ios/app/nio/id1157302846)

**Features:** Apple Wallet

**In-app purchases:** none


### CoBook.org

[App page](https://appshunter.io/ios/app/cobookorg/id6743755666)

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

**In-app purchases:** none


## Frequently asked questions

### Is NIO free?

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

### Is CoBook.org free?

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

### Do NIO or CoBook.org have ads?

Neither NIO nor CoBook.org shows ads.

### Which is updated more often, NIO or CoBook.org?

NIO ships an update monthly, and CoBook.org weekly. Most recently, NIO was updated on September 26, 2026 and CoBook.org on October 2, 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.*