# Butler Co. Fed. Library System vs The Sitter Source

The clearest difference is update cadence: Butler Co. Fed. Library System at every 5 weeks against The Sitter Source's every 5 months. 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.

Butler Co. Fed. Library System ships an update every 5 weeks, The Sitter Source every 5 months. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Butler Co. Fed. Library System | The Sitter Source |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/butler-co-fed-library-system/id6739711544/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 50 MB | 8 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Butler Co. Fed. Library System](https://appshunter.io/developer/1786655593) | [Sittysites LLC](https://appshunter.io/developer/1815166927) |

## What reviewers say

### Butler Co. Fed. Library System

[App page](https://appshunter.io/ios/app/butler-co-fed-library-system/id6739711544)

Manage your library account, search the catalog, and download eBooks and audiobooks. Place holds, renew materials, and find library hours and directions for the Butler County Federated Library System.

**Highlights:** Catalog search, Account management, Download eBooks and audiobooks, Place holds, Renew materials, Library hours and directions

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

**In-app purchases:** none


### The Sitter Source

[App page](https://appshunter.io/ios/app/the-sitter-source/id6746461346)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Butler Co. Fed. Library System free?

Butler Co. Fed. Library System is free to download, with no in-app purchases.

### Is The Sitter Source free?

The Sitter Source is free to download, with no in-app purchases.

### Do Butler Co. Fed. Library System or The Sitter Source have ads?

Neither Butler Co. Fed. Library System nor The Sitter Source shows ads.

### Which is updated more often, Butler Co. Fed. Library System or The Sitter Source?

Butler Co. Fed. Library System ships an update every 5 weeks, and The Sitter Source every 5 months. Most recently, Butler Co. Fed. Library System was updated on October 18, 2026 and The Sitter Source on October 17, 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.*