# Smart iMeters vs TPI Bridge

The clearest difference is update cadence: TPI Bridge at weekly against Smart iMeters's every 20 months. TPI Bridge also leads on iOS requirement (11.0 vs 15.0). 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.

Smart iMeters ships an update every 20 months, TPI Bridge weekly. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Smart iMeters | TPI Bridge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 20 months | **Weekly** |
| Size | 29 MB | 66 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Changzhou Haoyi Technology Co.,Ltd.](https://appshunter.io/developer/6775329697) | [C-Cubed](https://appshunter.io/developer/426768181) |

## What reviewers say

### Smart iMeters

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

**Features:** macOS Compatibility

**In-app purchases:** none


### TPI Bridge

[App page](https://appshunter.io/ios/app/tpi-bridge/id6471507477)

**In-app purchases:** none


## Frequently asked questions

### Is Smart iMeters free?

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

### Is TPI Bridge free?

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

### Do Smart iMeters or TPI Bridge have ads?

Neither Smart iMeters nor TPI Bridge shows ads.

### Which is updated more often, Smart iMeters or TPI Bridge?

Smart iMeters ships an update every 20 months, and TPI Bridge weekly. Most recently, Smart iMeters was updated on October 3, 2026 and TPI Bridge on October 11, 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.*