# Bknil SEO vs Toppi

The clearest difference is in-app purchases: Toppi at none against Bknil SEO's 4. Bknil SEO's advantage is device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. Bknil SEO sells 4 one-off in-app purchases. Toppi asks for nothing beyond the download.

Bknil SEO ships an update monthly, Toppi every 3 weeks. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Bknil SEO | Toppi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 27 MB | 54 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SANGWOO NOH](https://appshunter.io/developer/1771933747) | [Toppi B.V.](https://appshunter.io/developer/6791491258) |

## 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 |


### Toppi

[App page](https://appshunter.io/ios/app/toppi/id6791518676)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bknil SEO free?

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

### Is Toppi free?

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

### Do Bknil SEO or Toppi have ads?

Neither Bknil SEO nor Toppi shows ads.

### Which is updated more often, Bknil SEO or Toppi?

Bknil SEO ships an update monthly, and Toppi every 3 weeks. Most recently, Bknil SEO was updated on October 7, 2026 and Toppi on October 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.*