# Backlink Brain vs Clusterix Agent

The clearest difference is in-app purchases: Clusterix Agent at none against Backlink Brain's 2. Clusterix Agent also leads on update cadence (fortnightly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Backlink Brain sells 2 in-app purchases, starting at $12.99 per month. Clusterix Agent asks for nothing beyond the download.

Backlink Brain ships an update every 3 months, Clusterix Agent fortnightly. The most recent releases landed on September 8, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Backlink Brain | Clusterix Agent |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/backlink-brain/id6754207529/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 43 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mad Mango Marketing, LLC.](https://appshunter.io/developer/1847090274) | [innoscripta SE](https://appshunter.io/developer/1546207706) |

## What reviewers say

### Backlink Brain

[App page](https://appshunter.io/ios/app/backlink-brain/id6754207529)

Discover and save backlink opportunities with a swipe. Get verified contact information delivered to your inbox to simplify your SEO link building efforts. This app makes building quality backlinks fast and accessible from anywhere.

**Highlights:** Swipe-to-save interface, Verified contact information, Quick campaign setup, CSV export and tracking, Mobile link building

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Backlink Brain Essential | $12.99 | per month |
| Backlink Brain Pro | $24.99 | per month |


### Clusterix Agent

[App page](https://appshunter.io/ios/app/clusterix-agent/id6762779427)

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

**In-app purchases:** none


## Frequently asked questions

### Is Backlink Brain free?

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

### Is Clusterix Agent free?

Clusterix Agent is free to download, with no in-app purchases.

### Do Backlink Brain or Clusterix Agent have ads?

Neither Backlink Brain nor Clusterix Agent shows ads.

### Which is updated more often, Backlink Brain or Clusterix Agent?

Backlink Brain ships an update every 3 months, and Clusterix Agent fortnightly. Most recently, Backlink Brain was updated on September 8, 2026 and Clusterix Agent on September 19, 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.*