# Jamjams vs Si4iLocker

Jamjams and Si4iLocker are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Jamjams | Si4iLocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (26 ratings)](https://appshunter.io/ios/app/jamjams/id6477182037/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 70.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 32 MB | 9 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jamjams](https://appshunter.io/developer/1728661201) | [文焕 陈](https://appshunter.io/developer/1810161184) |

## What reviewers say

### Jamjams

[App page](https://appshunter.io/ios/app/jamjams/id6477182037)

This network utility connects your device to Shadowsocks and VMess proxy servers. It offers easy server management, connection quality monitoring, and smart routing options for TCP and UDP traffic.

**Highlights:** Shadowsocks and VMess protocol support, Manual and subscription server setup, Real-time speed graph, Server availability status, Smart traffic routing, TCP and UDP traffic proxying

**Features:** Vision Pro support

**In-app purchases:** none


### Si4iLocker

[App page](https://appshunter.io/ios/app/si4ilocker/id6747120411)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jamjams free?

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

### Is Si4iLocker free?

Si4iLocker is free to download, with no in-app purchases.

### Do Jamjams or Si4iLocker have ads?

Neither Jamjams nor Si4iLocker shows ads.

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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.*