# Black Knowledge vs Tax Lien Code Discover

The clearest difference is rating: Tax Lien Code Discover at 4.9 against Black Knowledge's 4.4. Tax Lien Code Discover also leads on in-app purchases (none vs 1) and review sentiment (100% vs 67%). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Black Knowledge sells 1 in-app purchase, starting at $2.99 per month. Tax Lien Code Discover asks for nothing beyond the download.

Tax Lien Code Discover holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Tax Lien Code Discover has 152 ratings behind it against 11, so its average is the more settled of the two. Written reviews point the same way: 67% of Black Knowledge's written reviews are positive against 100% of Tax Lien Code Discover's.

Black Knowledge ships an update every 2 months, Tax Lien Code Discover every 4 months. The most recent releases landed on September 8, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Black Knowledge | Tax Lien Code Discover |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (11 ratings)](https://appshunter.io/ios/app/black-knowledge/id1632437626/reviews) | **[4.9 (152 ratings)](https://appshunter.io/ios/app/tax-lien-code-discover/id6743010477/reviews)** |
| Number of ratings | 11 | **152** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 96 MB | 90 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Black Knowledge LLC](https://appshunter.io/developer/1632437631) | [Tax Lien Code, LLC](https://appshunter.io/developer/1800825293) |

## What reviewers say

### Black Knowledge

[App page](https://appshunter.io/ios/app/black-knowledge/id1632437626)

This app fosters a community for Black entrepreneurs to connect, share insights, and collaborate. It offers tools and resources to help businesses grow, with features for group discussions, direct messaging, and exclusive courses unlocked via subscription.

**Highlights:** Community for Black entrepreneurs, Networking and connection building, Group discussions and collaboration, Direct messaging, Exclusive courses, Resource sharing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowledge Seeker Plus | $2.99 | per month |


### Tax Lien Code Discover

[App page](https://appshunter.io/ios/app/tax-lien-code-discover/id6743010477)

This app connects users with experienced tax lien investors and provides access to proven strategies and real-time insights. Learn from a community with over $800M in collective investing experience and gain access to exclusive events and trusted experts.

**Highlights:** Real-time investor answers, Learn from collective experience, Exclusive community events, Connect with experts, Master investment strategies, Real estate investing resources

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

**In-app purchases:** none


## Frequently asked questions

### Is Black Knowledge free?

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

### Is Tax Lien Code Discover free?

Tax Lien Code Discover is free to download, with no in-app purchases.

### Which has better reviews, Black Knowledge or Tax Lien Code Discover?

Tax Lien Code Discover is rated higher. Black Knowledge averages 4.4 out of 5 from 11 ratings, while Tax Lien Code Discover averages 4.9 from 152 ratings.

### Do Black Knowledge or Tax Lien Code Discover have ads?

Neither Black Knowledge nor Tax Lien Code Discover shows ads.

### Which is updated more often, Black Knowledge or Tax Lien Code Discover?

Black Knowledge ships an update every 2 months, and Tax Lien Code Discover every 4 months. Most recently, Black Knowledge was updated on September 8, 2026 and Tax Lien Code Discover on September 23, 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.*