# iotGizmo vs Smart iMeters

The clearest difference is update cadence: iotGizmo at every 2 months against Smart iMeters's every 20 months. Smart iMeters's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

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

iotGizmo ships an update every 2 months, Smart iMeters every 20 months. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | iotGizmo | Smart iMeters |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 20 months |
| Size | 46 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [IOTGIZMO Corporation](https://appshunter.io/developer/1031292932) | [Changzhou Haoyi Technology Co.,Ltd.](https://appshunter.io/developer/6775329697) |

## What reviewers say

### iotGizmo

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

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

**In-app purchases:** none


### Smart iMeters

[App page](https://appshunter.io/ios/app/smart-imeters/id6450159159)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iotGizmo free?

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

### Is Smart iMeters free?

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

### Do iotGizmo or Smart iMeters have ads?

Neither iotGizmo nor Smart iMeters shows ads.

### Which is updated more often, iotGizmo or Smart iMeters?

iotGizmo ships an update every 2 months, and Smart iMeters every 20 months. Most recently, iotGizmo was updated on October 10, 2026 and Smart iMeters on October 3, 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.*