# Kalkaska County Library vs xpStudy

The clearest difference is in-app purchases: Kalkaska County Library at none against xpStudy's 2. Kalkaska County Library also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.4). xpStudy's advantage is update cadence (every 10 days vs every 7 months). On price and device support there is nothing between them.

Both are free to download. xpStudy sells 2 in-app purchases, starting at $2.99 per month. Kalkaska County Library asks for nothing beyond the download.

Kalkaska County Library ships an update every 7 months, xpStudy every 10 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Kalkaska County Library | xpStudy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 7 months | **Every 10 days** |
| Size | 19 MB | 61 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Traverse Area District Library](https://appshunter.io/developer/684307476) | [Vinicius de Queiroz Moreira Alves](https://appshunter.io/developer/1879160521) |

## What reviewers say

### Kalkaska County Library

[App page](https://appshunter.io/ios/app/kalkaska-county-library/id928015260)

**Features:** macOS Compatibility

**In-app purchases:** none


### xpStudy

[App page](https://appshunter.io/ios/app/xpstudy-notes-and-flashcards/id6759511031)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium annual | $24.99 | per year |


## Frequently asked questions

### Is Kalkaska County Library free?

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

### Is xpStudy free?

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

### Do Kalkaska County Library or xpStudy have ads?

xpStudy shows ads; Kalkaska County Library does not.

### Which is updated more often, Kalkaska County Library or xpStudy?

Kalkaska County Library ships an update every 7 months, and xpStudy every 10 days. Most recently, Kalkaska County Library was updated on October 3, 2026 and xpStudy on September 30, 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.*