# ST Integrity App vs SIT Alumni

The clearest difference is iOS requirement: ST Integrity App at 12.0 against SIT Alumni's 15.6. 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.

ST Integrity App ships an update every 4 months, SIT Alumni every 3 months. The most recent releases landed on October 3, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ST Integrity App | SIT Alumni |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 30 MB | 35 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [STMicroelectronics](https://appshunter.io/developer/1801774735) | [Engage2Serve](https://appshunter.io/developer/1246080767) |

## What reviewers say

### ST Integrity App

[App page](https://appshunter.io/ios/app/st-integrity-app/id1301440442)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIT Alumni

[App page](https://appshunter.io/ios/app/sit-alumni/id1581111676)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ST Integrity App free?

ST Integrity App is free to download, with no in-app purchases.

### Is SIT Alumni free?

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

### Do ST Integrity App or SIT Alumni have ads?

Neither ST Integrity App nor SIT Alumni shows ads.

### Which is updated more often, ST Integrity App or SIT Alumni?

ST Integrity App ships an update every 4 months, and SIT Alumni every 3 months. Most recently, ST Integrity App was updated on October 3, 2026 and SIT Alumni on October 21, 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.*