# 喷墨维护工具 vs JSOWELL Charge

The clearest difference is update cadence: JSOWELL Charge at every 2 months against 喷墨维护工具's every 16 months. 喷墨维护工具's advantage is iOS requirement (9.0 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.

喷墨维护工具 ships an update every 16 months, JSOWELL Charge every 2 months. The most recent releases landed on September 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 喷墨维护工具 | JSOWELL Charge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 months** |
| Size | 11 MB | 50 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Shenzhen Jolimark-Kamo Mobile Playment Limited Company](https://appshunter.io/developer/1017624287) | [Jsowell (ShenZhen) New Energy Technology Co.Ltd](https://appshunter.io/developer/1735122250) |

## What reviewers say

### 喷墨维护工具

[App page](https://appshunter.io/ios/app/id1394448047)

**Features:** macOS Compatibility

**In-app purchases:** none


### JSOWELL Charge

[App page](https://appshunter.io/ios/app/jsowell-charge/id6479197477)

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

**In-app purchases:** none


## Frequently asked questions

### Is 喷墨维护工具 free?

喷墨维护工具 is free to download, with no in-app purchases.

### Is JSOWELL Charge free?

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

### Do 喷墨维护工具 or JSOWELL Charge have ads?

Neither 喷墨维护工具 nor JSOWELL Charge shows ads.

### Which is updated more often, 喷墨维护工具 or JSOWELL Charge?

喷墨维护工具 ships an update every 16 months, and JSOWELL Charge every 2 months. Most recently, 喷墨维护工具 was updated on September 27, 2026 and JSOWELL Charge on October 25, 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.*