# c vs VSG101 Update

The clearest difference is iOS requirement: c at 12.0 against VSG101 Update's 16.6. 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.

c ships an update every 2 months, VSG101 Update every 5 weeks. The most recent releases landed on October 7, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | c | VSG101 Update |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/c-max-updater/id1594296171/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | — |
| Size | 31 MB | 1 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MaxLite](https://appshunter.io/developer/571000784) | [VITALSIGNS TECHNOLOGY CO., LTD.](https://appshunter.io/developer/1394370436) |

## What reviewers say

### c

[App page](https://appshunter.io/ios/app/c-max-updater/id1594296171)

This utility app enables over-the-air firmware updates for c-Max Network Control devices. It supports updating various components like sensors, network nodes, powerpacks, and wall switches.

**Highlights:** Over-the-air firmware updates, Supports c-Max Network Control devices, Updates sensors, Updates network nodes, Updates powerpacks, Updates wall switches

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

**In-app purchases:** none


### VSG101 Update

[App page](https://appshunter.io/ios/app/vsg101-update/id1628054504)

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

**In-app purchases:** none


## Frequently asked questions

### Is c free?

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

### Is VSG101 Update free?

VSG101 Update is free to download, with no in-app purchases.

### Do c or VSG101 Update have ads?

Neither c nor VSG101 Update shows ads.

### Which is updated more often, c or VSG101 Update?

c ships an update every 2 months, and VSG101 Update every 5 weeks. Most recently, c was updated on October 7, 2026 and VSG101 Update on October 18, 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.*