# SIS vs TT Comm Parent

The clearest difference is update cadence: TT Comm Parent at every 10 days against SIS's monthly. TT Comm Parent also leads on iOS requirement (13.0 vs 18.6). 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.

SIS ships an update monthly, TT Comm Parent every 10 days. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | SIS | TT Comm Parent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Size | 30 MB | 44 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YAYASAN PENDIDIKAN ASIAN PASIFIK](https://appshunter.io/developer/1811065861) | [Tutor Time](https://appshunter.io/developer/1842748897) |

## What reviewers say

### SIS

[App page](https://appshunter.io/ios/app/sis-connect/id6745161349)

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

**In-app purchases:** none


### TT Comm Parent

[App page](https://appshunter.io/ios/app/tt-comm-parent/id6753154038)

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

**In-app purchases:** none


## Frequently asked questions

### Is SIS free?

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

### Is TT Comm Parent free?

TT Comm Parent is free to download, with no in-app purchases.

### Do SIS or TT Comm Parent have ads?

Neither SIS nor TT Comm Parent shows ads.

### Which is updated more often, SIS or TT Comm Parent?

SIS ships an update monthly, and TT Comm Parent every 10 days. Most recently, SIS was updated on October 28, 2026 and TT Comm Parent 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.*