# The DOO vs Crabtree Smart H

The clearest difference is update cadence: The DOO at every 6 weeks against Crabtree Smart H's every 16 months. Crabtree Smart H's advantage is iOS requirement (9.1 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The DOO ships an update every 6 weeks, Crabtree Smart H every 16 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | The DOO | Crabtree Smart H |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 16 months |
| Monetization | — | Free |
| Size | 57 MB | 63 MB |
| Requires iOS | 16.6 | **9.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SMARTSENSE CONSULTING SOLUTIONS PRIVATE LIMITED](https://appshunter.io/developer/1038473041) | [Havells India Limited](https://appshunter.io/developer/903019399) |

## What reviewers say

### The DOO

[App page](https://appshunter.io/ios/app/the-doo/id1503676497)

**Features:** Vision Pro support

**In-app purchases:** none


### Crabtree Smart H

[App page](https://appshunter.io/ios/app/crabtree-smart-h/id1604159981)

Control your smart building's lighting, climate, audio, security, and more directly from your smartphone. Monitor device status and manage various IoT devices remotely for convenience.

**Highlights:** Smart device connectivity, Remote control of lighting, Curtain/blind management, Climate control, Audio/video system management, Security monitoring, IoT device integration

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

**In-app purchases:** none


## Frequently asked questions

### Is The DOO free?

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

### Is Crabtree Smart H free?

Crabtree Smart H is free to download, with no in-app purchases.

### Do The DOO or Crabtree Smart H have ads?

Neither The DOO nor Crabtree Smart H shows ads.

### Which is updated more often, The DOO or Crabtree Smart H?

The DOO ships an update every 6 weeks, and Crabtree Smart H every 16 months. Most recently, The DOO was updated on October 11, 2026 and Crabtree Smart H on October 16, 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.*