# ViVi Robot vs Halogen Sensor Mobile

The clearest difference is iOS requirement: ViVi Robot at 10.0 against Halogen Sensor Mobile's 13.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

ViVi Robot ships an update monthly, Halogen Sensor Mobile every 6 weeks. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ViVi Robot | Halogen Sensor Mobile |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 31 MB | 23 MB |
| Requires iOS | **10.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [繁贰 曾](https://appshunter.io/developer/520488472) | [Halogen Systems LLC](https://appshunter.io/developer/1752914846) |

## What reviewers say

### ViVi Robot

[App page](https://appshunter.io/ios/app/vivi-robot/id1255421040)

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

**In-app purchases:** none


### Halogen Sensor Mobile

[App page](https://appshunter.io/ios/app/halogen-sensor-mobile/id6504582538)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ViVi Robot free?

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

### Is Halogen Sensor Mobile free?

Halogen Sensor Mobile is free to download, with no in-app purchases.

### Do ViVi Robot or Halogen Sensor Mobile have ads?

Neither ViVi Robot nor Halogen Sensor Mobile shows ads.

### Which is updated more often, ViVi Robot or Halogen Sensor Mobile?

ViVi Robot ships an update monthly, and Halogen Sensor Mobile every 6 weeks. Most recently, ViVi Robot was updated on October 14, 2026 and Halogen Sensor Mobile on October 3, 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.*