# JieShun vs WattCheck

The clearest difference is in-app purchases: JieShun at none against WattCheck's 3. JieShun also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, 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. JieShun asks for nothing beyond the download.

JieShun ships an update every 3 weeks, WattCheck every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | JieShun | 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 weeks** | Every 5 weeks |
| Monetization | — | Freemium |
| Size | 144 MB | 16 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [北京家帮帮科技有限公司](https://appshunter.io/developer/1116373840) | [SUN TEAME PTE. LTD.](https://appshunter.io/developer/941073095) |

## What reviewers say

### JieShun

[App page](https://appshunter.io/ios/app/jieshun/id6752894659)

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

**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 JieShun free?

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

### Is WattCheck free?

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

### Do JieShun or WattCheck have ads?

Neither JieShun nor WattCheck shows ads.

### Which is updated more often, JieShun or WattCheck?

JieShun ships an update every 3 weeks, and WattCheck every 5 weeks. Most recently, JieShun was updated on October 30, 2026 and WattCheck on October 31, 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.*