# Appliance Unit Meter vs Chez Switch Pro

The clearest difference is iOS requirement: Appliance Unit Meter at 13.0 against Chez Switch Pro's 15.0. 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.

Appliance Unit Meter ships an update every 4 months, Chez Switch Pro every 3 months. The most recent releases landed on October 8, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Appliance Unit Meter | Chez Switch Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 5 MB | 69 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ihsan Ullah](https://appshunter.io/developer/1488089071) | [D13 STUDIO DE CREATION](https://appshunter.io/developer/1754517346) |

## What reviewers say

### Appliance Unit Meter

[App page](https://appshunter.io/ios/app/appliance-unit-meter/id1613668653)

Calculate your monthly electricity bill by inputting appliance wattage, quantity, and usage time. Set your per-unit electricity price and GST to get an accurate estimate.

**Highlights:** Calculate electricity bills, Input appliance wattage, Set usage time, Configure per-unit price, Add GST, Offline functionality

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

**In-app purchases:** none


### Chez Switch Pro

[App page](https://appshunter.io/ios/app/chez-switch-pro/id6511244301)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Appliance Unit Meter free?

Appliance Unit Meter is free to download, with no in-app purchases.

### Is Chez Switch Pro free?

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

### Do Appliance Unit Meter or Chez Switch Pro have ads?

Neither Appliance Unit Meter nor Chez Switch Pro shows ads.

### Which is updated more often, Appliance Unit Meter or Chez Switch Pro?

Appliance Unit Meter ships an update every 4 months, and Chez Switch Pro every 3 months. Most recently, Appliance Unit Meter was updated on October 8, 2026 and Chez Switch Pro on September 28, 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.*