# CU Boulder Wise Law Library vs Project Trailhead

The clearest difference is iOS requirement: CU Boulder Wise Law Library at 5.1.1 against Project Trailhead's 15.1. 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 | CU Boulder Wise Law Library | Project Trailhead |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 9 MB | 42 MB |
| Requires iOS | **5.1.1** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [University of Colorado Boulder](https://appshunter.io/developer/972210292) | [Project Trailhead LLC](https://appshunter.io/developer/1834696886) |

## What reviewers say

### CU Boulder Wise Law Library

[App page](https://appshunter.io/ios/app/cu-boulder-wise-law-library/id984606007)

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

**In-app purchases:** none


### Project Trailhead

[App page](https://appshunter.io/ios/app/project-trailhead/id6751343349)

**In-app purchases:** none


## Frequently asked questions

### Is CU Boulder Wise Law Library free?

CU Boulder Wise Law Library is free to download, with no in-app purchases.

### Is Project Trailhead free?

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

### Do CU Boulder Wise Law Library or Project Trailhead have ads?

Neither CU Boulder Wise Law Library nor Project Trailhead shows ads.

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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.*