# Kubu Smart vs Scrapp | Zero

The clearest difference is review sentiment: Kubu Smart at 91% against Scrapp | Zero's 42%. Scrapp | Zero's advantage is in-app purchases (none vs 5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Kubu Smart sells 5 in-app purchases, starting at $4.99 per month. Scrapp | Zero asks for nothing beyond the download.

Kubu Smart ships an update every 2 weeks, Scrapp | Zero monthly. The most recent releases landed on October 24, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Kubu Smart | Scrapp | Zero |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (7 ratings)](https://appshunter.io/ios/app/scrapp-zero-waste-simplified/id1546625454/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | **90.7% of reviews** | 42.1% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Ad-supported | **Free** |
| Size | 69 MB | 46 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kubu Smart Ltd](https://appshunter.io/developer/1468453338) | [Scrapp LLC](https://appshunter.io/developer/1546625456) |

## What reviewers say

### Kubu Smart

[App page](https://appshunter.io/ios/app/kubu-smart/id1468453339)

Control and monitor your smart door locks remotely. Receive instant notifications for lock and unlock events, review access history, and grant temporary access to trusted individuals. This app enhances home security and convenience.

**Highlights:** Remote lock and unlock, Real-time notifications, Door access history, Scheduled notifications, Share door access

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Monthly Access | $4.99 | per month |
| Annual Subscription | $59.99 | per year |
| Annual Subscription | $59.99 | per year |
| Annual Access | $59.99 | per year |


### Scrapp | Zero

[App page](https://appshunter.io/ios/app/scrapp-zero-waste-simplified/id1546625454)

Easily find out how to dispose of any waste item correctly, anywhere in the world. Scan a barcode or search an item to get local disposal instructions and track your impact on reducing landfill waste.

**Highlights:** Scan barcodes for disposal info, Search items for disposal guidance, Local disposal rules for UK, US, Canada, Track waste disposal impact, Discover sustainable brands, Community-driven data submission

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Kubu Smart free?

Kubu Smart is free to download, with in-app purchases available.

### Is Scrapp | Zero free?

Scrapp | Zero is free to download, with no in-app purchases.

### Do Kubu Smart or Scrapp | Zero have ads?

Neither Kubu Smart nor Scrapp | Zero shows ads.

### Which is updated more often, Kubu Smart or Scrapp | Zero?

Kubu Smart ships an update every 2 weeks, and Scrapp | Zero monthly. Most recently, Kubu Smart was updated on October 24, 2026 and Scrapp | Zero on October 29, 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.*