# Universal Library vs Chess worksheet

The clearest difference is price: Universal Library at Free against Chess worksheet's $1.99. Universal Library also leads on iOS requirement (12.0 vs 14.0). Chess worksheet's advantage is update cadence (every 2 months vs every 40 months) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Universal Library is free to download; Chess worksheet costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Universal Library ships an update every 40 months, Chess worksheet every 2 months. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Universal Library | Chess worksheet |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 months** |
| Size | 180 MB | 4 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Jonathan Millen](https://appshunter.io/developer/1252268308) | [Diogenes Souza](https://appshunter.io/developer/1208473543) |

## What reviewers say

### Universal Library

[App page](https://appshunter.io/ios/app/universal-library/id1503995339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chess worksheet

[App page](https://appshunter.io/ios/app/chess-worksheet/id1547726770)

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

**In-app purchases:** none


## Frequently asked questions

### Is Universal Library free?

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

### Is Chess worksheet free?

Chess worksheet costs $1.99, with no in-app purchases.

### Do Universal Library or Chess worksheet have ads?

Neither Universal Library nor Chess worksheet shows ads.

### Which is updated more often, Universal Library or Chess worksheet?

Universal Library ships an update every 40 months, and Chess worksheet every 2 months. Most recently, Universal Library was updated on October 3, 2026 and Chess worksheet on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*