# iotGizmo vs WattaCar

The clearest difference is in-app purchases: iotGizmo at none against WattaCar's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WattaCar sells 2 in-app purchases, starting at $1.99 per month. iotGizmo asks for nothing beyond the download.

iotGizmo ships an update every 2 months, WattaCar every 3 months. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iotGizmo | WattaCar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 46 MB | 8 MB |
| Requires iOS | **17.0** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [IOTGIZMO Corporation](https://appshunter.io/developer/1031292932) | [Laurent Peignault](https://appshunter.io/developer/1411627672) |

## What reviewers say

### iotGizmo

[App page](https://appshunter.io/ios/app/iotgizmo/id1031292933)

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

**In-app purchases:** none


### WattaCar

[App page](https://appshunter.io/ios/app/wattacar-charging-assistant/id6745976883)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Annual Pro | $11.99 | per year |


## Frequently asked questions

### Is iotGizmo free?

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

### Is WattaCar free?

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

### Do iotGizmo or WattaCar have ads?

Neither iotGizmo nor WattaCar shows ads.

### Which is updated more often, iotGizmo or WattaCar?

iotGizmo ships an update every 2 months, and WattaCar every 3 months. Most recently, iotGizmo was updated on October 10, 2026 and WattaCar on October 25, 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.*