# Knocki vs Unofficial Pix Backpack

The clearest difference is review sentiment: Unofficial Pix Backpack at 100% against Knocki's 31%. Unofficial Pix Backpack also leads on rating (5.0 vs 3.3) and update cadence (every 2 weeks vs every 2 months). Knocki's advantage is in-app purchases (none vs 2) and ratings volume (9 vs 3). On price, ads and device support there is nothing between them.

Both are free to download. Unofficial Pix Backpack sells 2 in-app purchases, starting at $19.99 per month. Knocki asks for nothing beyond the download.

Unofficial Pix Backpack holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 9 and 3 respectively. Written reviews point the same way: 31% of Knocki's written reviews are positive against 100% of Unofficial Pix Backpack's.

Knocki ships an update every 2 months, Unofficial Pix Backpack every 2 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Knocki | Unofficial Pix Backpack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (9 ratings)](https://appshunter.io/ios/app/knocki/id1238395440/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/unofficial-pix-backpack/id6760478193/reviews)** |
| Number of ratings | **9** | 3 |
| Positive reviews | 30.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 74 MB | 37 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Haptic, Inc.](https://appshunter.io/developer/1188043635) | [AudD, LLC](https://appshunter.io/developer/1819140795) |

## What reviewers say

### Knocki

[App page](https://appshunter.io/ios/app/knocki/id1238395440)

Turn any surface into a smart home controller. Create custom tap gestures to activate lights, music, and other connected devices. Works with popular smart home platforms.

**Highlights:** Transform surfaces into touch controls, Control smart home devices, Create custom tap gestures, Works with Alexa, IFTTT, Philips Hue, and more, Trigger task lists with gestures, Works via WiFi independently of phone

**Features:** macOS Compatibility

**In-app purchases:** none


### Unofficial Pix Backpack

[App page](https://appshunter.io/ios/app/unofficial-pix-backpack/id6760478193)

Create and display custom pixel art, animations, and scrolling text on your backpack. Features include real-time drawing, image import, and bike mode signaling. Enjoy offline functionality, built-in games, and various widgets.

**Highlights:** Real-time pixel art drawing, Display scrolling text, Import images and animations, Bike mode signaling, Offline functionality, Built-in games and widgets, Display music and forecasts

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro subscription (monthly) | $19.99 | per month |
| Lifetime access to Pro | $89.99 | one-time |


## Frequently asked questions

### Is Knocki free?

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

### Is Unofficial Pix Backpack free?

Unofficial Pix Backpack is free to download, with in-app purchases available.

### Which has better reviews, Knocki or Unofficial Pix Backpack?

Unofficial Pix Backpack is rated higher. Knocki averages 3.3 out of 5 from 9 ratings, while Unofficial Pix Backpack averages 5.0 from 3 ratings.

### Do Knocki or Unofficial Pix Backpack have ads?

Neither Knocki nor Unofficial Pix Backpack shows ads.

### Which is updated more often, Knocki or Unofficial Pix Backpack?

Knocki ships an update every 2 months, and Unofficial Pix Backpack every 2 weeks. Most recently, Knocki was updated on November 2, 2026 and Unofficial Pix Backpack on November 5, 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.*