# MG J20 vs System Cleaner

The clearest difference is in-app purchases: MG J20 at none against System Cleaner's 3. MG J20 also leads on ads (none vs shown) and iOS requirement (12.0 vs 16.4). System Cleaner's advantage is update cadence (fortnightly vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. System Cleaner sells 3 in-app purchases, starting at $7.99 per 7 days. MG J20 asks for nothing beyond the download.

MG J20 ships an update every 6 weeks, System Cleaner fortnightly. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MG J20 | System Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Size | 68 MB | 41 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | +4 |
| Developer | [南京辉煌智行科技有限公司](https://appshunter.io/developer/1738384876) | [Sabahat Tallat](https://appshunter.io/developer/1840632294) |

## What reviewers say

### MG J20

[App page](https://appshunter.io/ios/app/mg-j20/id6748111740)

**Features:** macOS Compatibility

**In-app purchases:** none


### System Cleaner

[App page](https://appshunter.io/ios/app/system-cleaner-cache-cleaner/id6755145133)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $7.99 | per 7 days |
| Monthly Pro | $19.99 | per month |
| Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is MG J20 free?

MG J20 is free to download, with no in-app purchases.

### Is System Cleaner free?

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

### Do MG J20 or System Cleaner have ads?

System Cleaner shows ads; MG J20 does not.

### Which is updated more often, MG J20 or System Cleaner?

MG J20 ships an update every 6 weeks, and System Cleaner fortnightly. Most recently, MG J20 was updated on October 10, 2026 and System Cleaner on October 16, 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.*