# SIT Alumni vs ISCA Mobile App

The clearest difference is ads: SIT Alumni at none against ISCA Mobile App's shown. ISCA Mobile App's advantage is update cadence (monthly vs every 3 months) and iOS requirement (13.0 vs 15.6). On price, 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.

SIT Alumni ships an update every 3 months, ISCA Mobile App monthly. The most recent releases landed on October 21, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SIT Alumni | ISCA Mobile App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Size | 35 MB | 121 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Engage2Serve](https://appshunter.io/developer/1246080767) | [Institute of Singapore Chartered Accountants](https://appshunter.io/developer/1008675965) |

## What reviewers say

### SIT Alumni

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

**Features:** macOS Compatibility

**In-app purchases:** none


### ISCA Mobile App

[App page](https://appshunter.io/ios/app/isca-mobile-app/id1616179269)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIT Alumni free?

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

### Is ISCA Mobile App free?

ISCA Mobile App is free to download, with no in-app purchases.

### Do SIT Alumni or ISCA Mobile App have ads?

ISCA Mobile App shows ads; SIT Alumni does not.

### Which is updated more often, SIT Alumni or ISCA Mobile App?

SIT Alumni ships an update every 3 months, and ISCA Mobile App monthly. Most recently, SIT Alumni was updated on October 21, 2026 and ISCA Mobile App on October 25, 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.*