# S.I.S vs SIS Mobie

The clearest difference is update cadence: SIS Mobie at every 10 days against S.I.S's every 2 months. SIS Mobie also leads on 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.

S.I.S ships an update every 2 months, SIS Mobie every 10 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | S.I.S | SIS Mobie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 58 MB | 18 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WINTECH SOFTWARE DEVELOPMENT (CAMBODIA) CO., LTD](https://appshunter.io/developer/1597112884) | [Pyramid Software and Consulting Company Limited](https://appshunter.io/developer/885416042) |

## What reviewers say

### S.I.S

[App page](https://appshunter.io/ios/app/sis/id1399994628)

**Features:** macOS Compatibility

**In-app purchases:** none


### SIS Mobie

[App page](https://appshunter.io/ios/app/sis-mobie/id1509426167)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is S.I.S free?

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

### Is SIS Mobie free?

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

### Do S.I.S or SIS Mobie have ads?

Neither S.I.S nor SIS Mobie shows ads.

### Which is updated more often, S.I.S or SIS Mobie?

S.I.S ships an update every 2 months, and SIS Mobie every 10 days. Most recently, S.I.S was updated on October 26, 2026 and SIS Mobie 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.*