# greneOS 3.0 vs Smart Hohm

The clearest difference is update cadence: greneOS 3.0 at monthly against Smart Hohm's every 12 months. 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.

greneOS 3.0 ships an update monthly, Smart Hohm every 12 months. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | greneOS 3.0 | Smart Hohm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Size | 120 MB | 345 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Grene Robotics (India) Private Limited](https://appshunter.io/developer/597834592) | [Polycab India Limited](https://appshunter.io/developer/1449247701) |

## What reviewers say

### greneOS 3.0

[App page](https://appshunter.io/ios/app/greneos-30/id1500291219)

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

**In-app purchases:** none


### Smart Hohm

[App page](https://appshunter.io/ios/app/smart-hohm/id6479869007)

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

**In-app purchases:** none


## Frequently asked questions

### Is greneOS 3.0 free?

greneOS 3.0 is free to download, with no in-app purchases.

### Is Smart Hohm free?

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

### Do greneOS 3.0 or Smart Hohm have ads?

Neither greneOS 3.0 nor Smart Hohm shows ads.

### Which is updated more often, greneOS 3.0 or Smart Hohm?

greneOS 3.0 ships an update monthly, and Smart Hohm every 12 months. Most recently, greneOS 3.0 was updated on October 24, 2026 and Smart Hohm on October 25, 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.*