# Uspacy vs SI

Uspacy and SI are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases 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.

Uspacy ships an update every 3 weeks, SI every 5 weeks. The most recent releases landed on October 9, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Uspacy | SI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Size | 74 MB | 91 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Uspacy](https://appshunter.io/developer/1666943210) | [STAKHOV GROUP, TOV](https://appshunter.io/developer/1501335251) |

## What reviewers say

### Uspacy

[App page](https://appshunter.io/ios/app/uspacy/id1666943208)

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

**In-app purchases:** none


### SI

[App page](https://appshunter.io/ios/app/si-yo-transfer/id6447552164)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Uspacy free?

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

### Is SI free?

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

### Do Uspacy or SI have ads?

Neither Uspacy nor SI shows ads.

### Which is updated more often, Uspacy or SI?

Uspacy ships an update every 3 weeks, and SI every 5 weeks. Most recently, Uspacy was updated on October 9, 2026 and SI on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*