# DC Public Library vs USC 19

The clearest difference is in-app purchases: DC Public Library at none against USC 19's 3. DC Public Library also leads on update cadence (every 2 months vs every 16 months). USC 19's advantage is iOS requirement (12.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. USC 19 sells 3 one-off in-app purchases. DC Public Library asks for nothing beyond the download.

DC Public Library ships an update every 2 months, USC 19 every 16 months. Both last shipped on October 7, 2026.

## The numbers

| Metric | DC Public Library | USC 19 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (19 ratings)](https://appshunter.io/ios/app/dc-public-library/id1003829295/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 16 months |
| Monetization | Free | — |
| Size | 50 MB | 71 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [District of Columbia Public Library](https://appshunter.io/developer/301077853) | [Lyker Labs LLC](https://appshunter.io/developer/891194494) |

## What reviewers say

### DC Public Library

[App page](https://appshunter.io/ios/app/dc-public-library/id1003829295)

Access a vast collection of books, DVDs, and digital media from your local library. Manage your account, place holds, and discover nearby branches and events.

**Highlights:** Search library catalog, Manage library account, Place and cancel holds, Renew checked-out items, Find nearest library branch, Access digital library resources, Browse library events

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

**In-app purchases:** none


### USC 19

[App page](https://appshunter.io/ios/app/usc-19-customs-duties/id1557890621)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| USC Title 19 | $4.99 | one-time |
| USC Title 19 | $12.99 | one-time |
| USC Title 19 | $44.99 | one-time |


## Frequently asked questions

### Is DC Public Library free?

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

### Is USC 19 free?

USC 19 is free to download, with in-app purchases available.

### Do DC Public Library or USC 19 have ads?

Neither DC Public Library nor USC 19 shows ads.

### Which is updated more often, DC Public Library or USC 19?

DC Public Library ships an update every 2 months, and USC 19 every 16 months. Most recently, DC Public Library was updated on October 7, 2026 and USC 19 on October 7, 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.*