# GeniusLex vs CFR Title 37

The clearest difference is rating: CFR Title 37 at 5.0 against GeniusLex's 4.4. CFR Title 37 also leads on in-app purchases (none vs 3). GeniusLex's advantage is ratings volume (29 vs 5) and iOS requirement (10.0 vs 17.6). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. GeniusLex sells 3 in-app purchases, starting at $9.99 per month. CFR Title 37 asks for nothing beyond the download.

CFR Title 37 holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: GeniusLex has 29 ratings behind it against 5, so its average is the more settled of the two.

GeniusLex ships an update fortnightly, CFR Title 37 every 3 weeks. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | GeniusLex | CFR Title 37 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (29 ratings)](https://appshunter.io/ios/app/geniuslex-us-code-and-cfr/id1464086869/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cfr-title-37/id1560843785/reviews)** |
| Number of ratings | **29** | 5 |
| Positive reviews | 87.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Size | 14 MB | 24 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HYDL](https://appshunter.io/developer/1459757393) | [BarReady](https://appshunter.io/developer/1560844267) |

## What reviewers say

### GeniusLex

[App page](https://appshunter.io/ios/app/geniuslex-us-code-and-cfr/id1464086869)

This app automates tedious legal research tasks, allowing users to focus on analysis. It provides instant definitions for defined terms, cross-links between code provisions and regulations, and offline search capabilities.

**Highlights:** Automated defined term identification, Context-specific definition previews, Cross-links between code and regulations, Seamless inflation adjustment integration, Rapid offline keyword search, Offline section number search

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GeniusLex Monthly | $9.99 | per month |
| GeniusLex Biannual | $39.99 | per 6 months |
| GeniusLex Annual | $59.99 | per year |


### CFR Title 37

[App page](https://appshunter.io/ios/app/cfr-title-37/id1560843785)

Access the complete text of U.S. intellectual property regulations, including patents, trademarks, and copyrights. Offers robust search, customizable interface, and annual updates. Premium features include annotation tools and cross-device syncing.

**Highlights:** Full access to Title 37 CFR, Robust search functionality, User-friendly interface, Enhanced annotation tools (premium), Sync across devices (premium), Includes bonus aviation and hazardous materials regulations

**In-app purchases:** none


## Frequently asked questions

### Is GeniusLex free?

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

### Is CFR Title 37 free?

CFR Title 37 is free to download, with no in-app purchases.

### Which has better reviews, GeniusLex or CFR Title 37?

CFR Title 37 is rated higher. GeniusLex averages 4.4 out of 5 from 29 ratings, while CFR Title 37 averages 5.0 from 5 ratings.

### Do GeniusLex or CFR Title 37 have ads?

Neither GeniusLex nor CFR Title 37 shows ads.

### Which is updated more often, GeniusLex or CFR Title 37?

GeniusLex ships an update fortnightly, and CFR Title 37 every 3 weeks. Most recently, GeniusLex was updated on October 8, 2026 and CFR Title 37 on October 4, 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.*