# Wire & Load vs Wattoo

The clearest difference is update cadence: Wattoo at every 10 days against Wire & Load's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Wire & Load sells 1 one-off in-app purchase and Wattoo sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Wire & Load ships an update every 2 months, Wattoo every 10 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Wire & Load | Wattoo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 3 MB | 10 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Fu Kang Heng Development Co., Ltd.](https://appshunter.io/developer/1863837413) | [Maxime Giraud](https://appshunter.io/developer/1884024361) |

## What reviewers say

### Wire & Load

[App page](https://appshunter.io/ios/app/wire-and-load/id6768856542)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $1.99 | one-time |


### Wattoo

[App page](https://appshunter.io/ios/app/wattoo-calculs-electriques/id6802853643)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wattoo Pro | $3.99 | per month |
| Wattoo Pro à vie | $34.99 | one-time |


## Frequently asked questions

### Is Wire & Load free?

Wire & Load is free to download, with in-app purchases available.

### Is Wattoo free?

Wattoo is free to download, with in-app purchases available.

### Do Wire & Load or Wattoo have ads?

Neither Wire & Load nor Wattoo shows ads.

### Which is updated more often, Wire & Load or Wattoo?

Wire & Load ships an update every 2 months, and Wattoo every 10 days. Most recently, Wire & Load was updated on October 28, 2026 and Wattoo on October 29, 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.*