# CFR 47 vs Shelf Scanner.

The clearest difference is rating: CFR 47 at 5.0 against Shelf Scanner.'s 4.5. CFR 47 also leads on monetization model (free vs free with in-app purchases) and device support (3 vs 1). Shelf Scanner.'s advantage is ratings volume (266 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. CFR 47 sells 3 one-off in-app purchases and Shelf Scanner. sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

CFR 47 holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Shelf Scanner. has 266 ratings behind it against 1, so its average is the more settled of the two.

CFR 47 ships an update every 12 months, Shelf Scanner. every 7 months. The most recent releases landed on October 7, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | CFR 47 | Shelf Scanner. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cfr-47-telecommunication/id1557792465/reviews)** | [4.5 (266 ratings)](https://appshunter.io/ios/app/shelf-scanner/id6503261472/reviews) |
| Number of ratings | 1 | **266** |
| Positive reviews | — | 9.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 103 MB | 45 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Lyker Labs LLC](https://appshunter.io/developer/891194494) | [Gabe Rogers](https://appshunter.io/developer/1584630702) |

## What reviewers say

### CFR 47

[App page](https://appshunter.io/ios/app/cfr-47-telecommunication/id1557792465)

Access and reference telecommunication laws and statutes for various jurisdictions. This app provides offline access, full-text search, and organizational tools like bookmarks and highlights for legal professionals and students.

**Highlights:** Offline access to laws, Rich full-text search, Light/Dark Mode, Bookmarks, Highlights, Access to Federal Communications Commission regulations

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CFR Title 47 Week | $4.99 | one-time |
| CFR Title 47 Month | $12.99 | one-time |
| CFR Title 47 Year | $44.99 | one-time |


### Shelf Scanner.

[App page](https://appshunter.io/ios/app/shelf-scanner/id6503261472)

Easily discover the value of books by scanning barcodes or taking photos of entire shelves. Get live pricing data from major online sellers to maximize your profit when selling your books.

**Highlights:** Scan book barcodes for value, Photo scan entire bookshelves, Live pricing data, Sell books for profit, Source from major online sellers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $4.99 | per 7 days |
| Monthly Pro | $15.99 | per month |
| Annual Pro | $48.99 | per year |


## Frequently asked questions

### Is CFR 47 free?

CFR 47 is free to download, with in-app purchases available.

### Is Shelf Scanner. free?

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

### Which has better reviews, CFR 47 or Shelf Scanner.?

CFR 47 is rated higher. CFR 47 averages 5.0 out of 5 from 1 ratings, while Shelf Scanner. averages 4.5 from 266 ratings.

### Do CFR 47 or Shelf Scanner. have ads?

Neither CFR 47 nor Shelf Scanner. shows ads.

### Which is updated more often, CFR 47 or Shelf Scanner.?

CFR 47 ships an update every 12 months, and Shelf Scanner. every 7 months. Most recently, CFR 47 was updated on October 7, 2026 and Shelf Scanner. on October 30, 2026.

---

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