# WI Smart vs CiTRON Tool

The clearest difference is update cadence: CiTRON Tool at every 2 months against WI Smart's every 10 months. CiTRON Tool also leads on iOS requirement (11.0 vs 13.0). 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.

WI Smart ships an update every 10 months, CiTRON Tool every 2 months. The most recent releases landed on May 17, 2026 and June 10, 2026 respectively.

## The numbers

| Metric | WI Smart | CiTRON Tool |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Size | 202 MB | 14 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Hangzhou WISTAR Mechanical & Electric Technology Co., Ltd.](https://appshunter.io/developer/1028324761) | [飞 龚](https://appshunter.io/developer/617610085) |

## What reviewers say

### WI Smart

[App page](https://appshunter.io/ios/app/wi-smart/id1571062398)

**Features:** macOS Compatibility

**In-app purchases:** none


### CiTRON Tool

[App page](https://appshunter.io/ios/app/citron-tool/id1571600290)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WI Smart free?

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

### Is CiTRON Tool free?

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

### Do WI Smart or CiTRON Tool have ads?

Neither WI Smart nor CiTRON Tool shows ads.

### Which is updated more often, WI Smart or CiTRON Tool?

WI Smart ships an update every 10 months, and CiTRON Tool every 2 months. Most recently, WI Smart was updated on May 17, 2026 and CiTRON Tool on June 10, 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.*