# InSmart Mobile vs WattCheck

The clearest difference is in-app purchases: InSmart Mobile at none against WattCheck's 3. InSmart Mobile also leads on iOS requirement (12.0 vs 18.0). WattCheck's advantage is update cadence (every 5 weeks vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. WattCheck sells 3 in-app purchases, starting at $1.99 per 7 days. InSmart Mobile asks for nothing beyond the download.

InSmart Mobile ships an update every 3 months, WattCheck every 5 weeks. The most recent releases landed on October 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | InSmart Mobile | WattCheck |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/wattcheck-cable-tester/id6790480866/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | — | Freemium |
| Size | 47 MB | 16 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Shanghai BizFlying Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1321339565) | [SUN TEAME PTE. LTD.](https://appshunter.io/developer/941073095) |

## What reviewers say

### InSmart Mobile

[App page](https://appshunter.io/ios/app/insmart-mobile/id1385960102)

**Features:** macOS Compatibility

**In-app purchases:** none


### WattCheck

[App page](https://appshunter.io/ios/app/wattcheck-cable-tester/id6790480866)

This app helps you test and compare your charging cables and power adapters. It estimates charging performance over time, allowing you to rank your cables and identify the best and weakest charging gear. Clean up your cable drawer and stop guessing which cable is slowing you down.

**Highlights:** Charging performance test, 5, 10, and 20 minute results, Cable ranking, Best and weakest cable detection, Charger comparison, Test history, CSV export

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WattCheck Premium Weekly | $1.99 | per 7 days |
| WattCheck Premium Monthly | $5.99 | per month |
| WattCheck Premium Yearly | $29.99 | per year |


## Frequently asked questions

### Is InSmart Mobile free?

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

### Is WattCheck free?

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

### Do InSmart Mobile or WattCheck have ads?

Neither InSmart Mobile nor WattCheck shows ads.

### Which is updated more often, InSmart Mobile or WattCheck?

InSmart Mobile ships an update every 3 months, and WattCheck every 5 weeks. Most recently, InSmart Mobile was updated on October 19, 2026 and WattCheck on October 7, 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.*