# Loop8 Privacy Controller vs Door Knock

The clearest difference is in-app purchases: Door Knock at none against Loop8 Privacy Controller's 2. Loop8 Privacy Controller's advantage is update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Loop8 Privacy Controller sells 2 in-app purchases, starting at $9.99 per month. Door Knock asks for nothing beyond the download.

Loop8 Privacy Controller ships an update weekly, Door Knock every 3 weeks. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Loop8 Privacy Controller | Door Knock |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (36 ratings)](https://appshunter.io/ios/app/loop8-privacy-controller/id1602607168/reviews)** | — |
| Number of ratings | **36** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 144 MB | 67 MB |
| Requires iOS | 17 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [L8P8, Inc](https://appshunter.io/developer/1602607170) | [SECURAS](https://appshunter.io/developer/1638355362) |

## What reviewers say

### Loop8 Privacy Controller

[App page](https://appshunter.io/ios/app/loop8-privacy-controller/id1602607168)

This app offers passwordless security and privacy tools, utilizing biometric authentication for secure access to sensitive information. It includes features like secure notes, an authenticator, and data breach checks. Advanced features and more tools are available through a subscription.

**Highlights:** Passwordless biometric authentication, Secure note storage, One-time code generator, Data breach checker, Advanced privacy tools, Family sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Loop8 Leader (Monthly) | $9.99 | per month |
| Loop8 Leader (Annual) | $96.00 | per year |


### Door Knock

[App page](https://appshunter.io/ios/app/door-knock/id6497229370)

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

**In-app purchases:** none


## Frequently asked questions

### Is Loop8 Privacy Controller free?

Loop8 Privacy Controller is free to download, with in-app purchases available.

### Is Door Knock free?

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

### Do Loop8 Privacy Controller or Door Knock have ads?

Neither Loop8 Privacy Controller nor Door Knock shows ads.

### Which is updated more often, Loop8 Privacy Controller or Door Knock?

Loop8 Privacy Controller ships an update weekly, and Door Knock every 3 weeks. Most recently, Loop8 Privacy Controller was updated on September 17, 2026 and Door Knock on September 14, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*