# AP e vs CFR 39

The clearest difference is in-app purchases: AP e at none against CFR 39's 3. AP e also leads on update cadence (weekly vs every 12 months) and iOS requirement (8.0 vs 12.0). On price, ads and device support there is nothing between them.

Both are free to download. CFR 39 sells 3 one-off in-app purchases. AP e asks for nothing beyond the download.

AP e ships an update weekly, CFR 39 every 12 months. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | AP e | CFR 39 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cfr-39-postal-service/id1557792082/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 12 months |
| Monetization | — | Free |
| Size | 16 MB | 61 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Empover i-Tech Private Limited](https://appshunter.io/developer/1030724894) | [Lyker Labs LLC](https://appshunter.io/developer/891194494) |

## What reviewers say

### AP e

[App page](https://appshunter.io/ios/app/ap-e-directory/id1169334033)

**Features:** macOS Compatibility

**In-app purchases:** none


### CFR 39

[App page](https://appshunter.io/ios/app/cfr-39-postal-service/id1557792082)

Access and reference United States Postal Service law with offline capabilities. This app provides full-text search, bookmarks, and highlights for legal professionals and students. It includes key chapters of postal service regulations.

**Highlights:** Offline access to postal service law, Rich full-text search, Bookmarks and highlights, Light/Dark Mode, Access to key postal chapters

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CFR Title 39 Week | $4.99 | one-time |
| CFR Title 39 Month | $12.99 | one-time |
| CFR Title 39 Year | $44.99 | one-time |


## Frequently asked questions

### Is AP e free?

AP e is free to download, with no in-app purchases.

### Is CFR 39 free?

CFR 39 is free to download, with in-app purchases available.

### Do AP e or CFR 39 have ads?

Neither AP e nor CFR 39 shows ads.

### Which is updated more often, AP e or CFR 39?

AP e ships an update weekly, and CFR 39 every 12 months. Most recently, AP e was updated on October 26, 2026 and CFR 39 on October 29, 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.*