# Bknil SEO vs Backlink Brain

The clearest difference is update cadence: Bknil SEO at monthly against Backlink Brain's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Bknil SEO sells 4 one-off in-app purchases and Backlink Brain sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Bknil SEO ships an update monthly, Backlink Brain every 3 months. The most recent releases landed on August 7, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Bknil SEO | Backlink Brain |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 27 MB | 46 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SANGWOO NOH](https://appshunter.io/developer/1771933747) | [Mad Mango Marketing, LLC.](https://appshunter.io/developer/1847090274) |

## What reviewers say

### Bknil SEO

[App page](https://appshunter.io/ios/app/bknil-seo-backlink-builder/id6751446596)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $5.99 | one-time |
| Basic | $11.99 | one-time |
| Pro | $24.99 | one-time |
| Enterprise | $49.99 | one-time |


### 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 |


## Frequently asked questions

### Is Bknil SEO free?

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

### Is Backlink Brain free?

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

### Do Bknil SEO or Backlink Brain have ads?

Neither Bknil SEO nor Backlink Brain shows ads.

### Which is updated more often, Bknil SEO or Backlink Brain?

Bknil SEO ships an update monthly, and Backlink Brain every 3 months. Most recently, Bknil SEO was updated on August 7, 2026 and Backlink Brain on September 8, 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.*