# 30 CFR by LawStack vs SKC SmartWave dB

The clearest difference is in-app purchases: SKC SmartWave dB at none against 30 CFR by LawStack's 2. 30 CFR by LawStack's advantage is update cadence (every 2 months vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 30 CFR by LawStack sells 2 one-off in-app purchases. SKC SmartWave dB asks for nothing beyond the download.

30 CFR by LawStack ships an update every 2 months, SKC SmartWave dB every 7 months. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | 30 CFR by LawStack | SKC SmartWave dB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/30-cfr-by-lawstack/id325716756/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 7 months |
| Monetization | Free with in-app purchases | — |
| Size | 79 MB | 35 MB |
| Requires iOS | 9.0 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tekk Innovations LLC](https://appshunter.io/developer/320464672) | [SKC Inc.,](https://appshunter.io/developer/569246813) |

## What reviewers say

### 30 CFR by LawStack

[App page](https://appshunter.io/ios/app/30-cfr-by-lawstack/id325716756)

Access the complete Title 30 Code of Federal Regulations (CFR) for Mineral Resources offline. This app allows for bookmarking, highlighting, note-taking, and full-text searching. Share content easily with colleagues.

**Highlights:** Complete Title 30 CFR offline, Custom bookmarks, highlighting, and notes, Full-text and advanced search, Email and share content, Includes all tables and images, Free trial

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 CFR - 3 Months | $14.99 | one-time |
| 30 CFR - 1 Year | $99.99 | one-time |


### SKC SmartWave dB

[App page](https://appshunter.io/ios/app/skc-smartwave-db/id1490877088)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 30 CFR by LawStack free?

30 CFR by LawStack is free to download, with in-app purchases available.

### Is SKC SmartWave dB free?

SKC SmartWave dB is free to download, with no in-app purchases.

### Do 30 CFR by LawStack or SKC SmartWave dB have ads?

Neither 30 CFR by LawStack nor SKC SmartWave dB shows ads.

### Which is updated more often, 30 CFR by LawStack or SKC SmartWave dB?

30 CFR by LawStack ships an update every 2 months, and SKC SmartWave dB every 7 months. Most recently, 30 CFR by LawStack was updated on October 17, 2026 and SKC SmartWave dB on October 14, 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.*