# TRG PRO vs SmartCharger.

The clearest difference is update cadence: SmartCharger. at every 7 months against TRG PRO's every 24 months. SmartCharger. also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

TRG PRO ships an update every 24 months, SmartCharger. every 7 months. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | TRG PRO | SmartCharger. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 24 months | **Every 7 months** |
| Size | 45 MB | 18 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tamilarasan Kannan](https://appshunter.io/developer/1500116258) | [深圳市南霸科技有限公司](https://appshunter.io/developer/1485708836) |

## What reviewers say

### TRG PRO

[App page](https://appshunter.io/ios/app/trg-pro/id6483689107)

**In-app purchases:** none


### SmartCharger.

[App page](https://appshunter.io/ios/app/smartcharger/id6745773615)

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

**In-app purchases:** none


## Frequently asked questions

### Is TRG PRO free?

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

### Is SmartCharger. free?

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

### Which is updated more often, TRG PRO or SmartCharger.?

TRG PRO ships an update every 24 months, and SmartCharger. every 7 months. Most recently, TRG PRO was updated on October 5, 2026 and SmartCharger. on October 12, 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.*