# VG Link vs Appion Central

The clearest difference is iOS requirement: VG Link at 9.0 against Appion Central's 13.0. 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.

VG Link ships an update every 2 months, Appion Central every 5 weeks. The most recent releases landed on September 22, 2026 and June 5, 2026 respectively.

## The numbers

| Metric | VG Link | Appion Central |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.8 (14 ratings)](https://appshunter.io/ios/app/appion-central/id1455230837/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 28.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 22 MB | 35 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CPS Products, Inc.](https://appshunter.io/developer/945771072) | [Appion Inc.](https://appshunter.io/developer/978979622) |

## What reviewers say

### VG Link

[App page](https://appshunter.io/ios/app/vg-link/id1078044914)

**In-app purchases:** none


### Appion Central

[App page](https://appshunter.io/ios/app/appion-central/id1455230837)

Manage your HVAC tools and connect to the web portal. This app provides a mobile interface for your Appion products.

**Highlights:** Manage Appion products, Interface with Appion Portal, Mobile tool management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VG Link free?

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

### Is Appion Central free?

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

### Do VG Link or Appion Central have ads?

Neither VG Link nor Appion Central shows ads.

### Which is updated more often, VG Link or Appion Central?

VG Link ships an update every 2 months, and Appion Central every 5 weeks. Most recently, VG Link was updated on September 22, 2026 and Appion Central on June 5, 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.*