# zupper vs Arzel Pro

zupper and Arzel Pro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

zupper ships an update every 2 months, Arzel Pro every 3 months. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | zupper | Arzel Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/arzel-pro/id6670562268/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free |
| Size | 32 MB | 11 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Taizhou Juli Tools Co., Ltd.](https://appshunter.io/developer/1440783443) | [Arzel Technology, Inc.](https://appshunter.io/developer/644309533) |

## What reviewers say

### zupper

[App page](https://appshunter.io/ios/app/zupper/id1440783444)

**Features:** macOS Compatibility

**In-app purchases:** none


### Arzel Pro

[App page](https://appshunter.io/ios/app/arzel-pro/id6670562268)

This app allows HVAC contractors to configure and manage a universal zoning panel. It offers easy setup, diagnostics, and software updates via a Bluetooth connection. Homeowners control the system through installed thermostats.

**Highlights:** App-controlled zoning panel, Create up to 16 zones, One-tap equipment settings, Bluetooth configuration, System diagnostics, Software updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is zupper free?

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

### Is Arzel Pro free?

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

### Do zupper or Arzel Pro have ads?

Neither zupper nor Arzel Pro shows ads.

### Which is updated more often, zupper or Arzel Pro?

zupper ships an update every 2 months, and Arzel Pro every 3 months. Most recently, zupper was updated on September 28, 2026 and Arzel Pro on October 7, 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.*