# SDS vs SJSU UScan

The clearest difference is update cadence: SJSU UScan at every 3 weeks against SDS's every 5 months. SDS's advantage is iOS requirement (10.0 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.

SDS ships an update every 5 months, SJSU UScan every 3 weeks. The most recent releases landed on October 2, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SDS | SJSU UScan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 3 MB | 356 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pont ez Holding Ltd.](https://appshunter.io/developer/480165767) | [Meescan Inc.](https://appshunter.io/developer/1609729285) |

## What reviewers say

### SDS

[App page](https://appshunter.io/ios/app/sds-cloud/id1060028225)

**Features:** macOS Compatibility

**In-app purchases:** none


### SJSU UScan

[App page](https://appshunter.io/ios/app/sjsu-uscan/id1462976078)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SDS free?

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

### Is SJSU UScan free?

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

### Do SDS or SJSU UScan have ads?

Neither SDS nor SJSU UScan shows ads.

### Which is updated more often, SDS or SJSU UScan?

SDS ships an update every 5 months, and SJSU UScan every 3 weeks. Most recently, SDS was updated on October 2, 2026 and SJSU UScan on October 19, 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.*