# WiFi vs Si

The clearest difference is iOS requirement: Si at 9.1 against WiFi's 12.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 5 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | WiFi | Si |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | Every 5 months |
| Size | 26 MB | 12 MB |
| Requires iOS | 12.0 | **9.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Zhuhai Ltech Technology Co., Ltd.](https://appshunter.io/developer/564571270) | [旭日东方](https://appshunter.io/developer/1472957256) |

## What reviewers say

### WiFi

[App page](https://appshunter.io/ios/app/wifi-rdm/id1216547166)

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

**In-app purchases:** none


### Si

[App page](https://appshunter.io/ios/app/si-link/id1484583420)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WiFi free?

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

### Is Si free?

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

### Do WiFi or Si have ads?

Neither WiFi nor Si shows ads.

### Which is updated more often, WiFi or Si?

WiFi ships an update every 5 months, and Si every 5 months. Most recently, WiFi was updated on October 12, 2026 and Si on October 10, 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.*