# Campus 4.0 vs Wiki Reader

The clearest difference is in-app purchases: Campus 4.0 at none against Wiki Reader's 3. Campus 4.0 also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Wiki Reader sells 3 in-app purchases, starting at $5.99 per 7 days. Campus 4.0 asks for nothing beyond the download.

Campus 4.0 ships an update monthly, Wiki Reader every 6 weeks. The most recent releases landed on September 24, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Campus 4.0 | Wiki Reader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 79 MB | 24 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Digi Technology Private Limited](https://appshunter.io/developer/1616089998) | [LEAN ASIA CO., LTD](https://appshunter.io/developer/1815050814) |

## What reviewers say

### Campus 4.0

[App page](https://appshunter.io/ios/app/campus-40/id6479514945)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wiki Reader

[App page](https://appshunter.io/ios/app/wiki-reader-ai-study-and-learn/id6760022581)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly Plan | $5.99 | per 7 days |
| Premium Yearly | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Campus 4.0 free?

Campus 4.0 is free to download, with no in-app purchases.

### Is Wiki Reader free?

Wiki Reader is free to download, with in-app purchases available.

### Do Campus 4.0 or Wiki Reader have ads?

Neither Campus 4.0 nor Wiki Reader shows ads.

### Which is updated more often, Campus 4.0 or Wiki Reader?

Campus 4.0 ships an update monthly, and Wiki Reader every 6 weeks. Most recently, Campus 4.0 was updated on September 24, 2026 and Wiki Reader on October 5, 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.*