# TRi SCi vs FES Parent

The clearest difference is update cadence: TRi SCi at every 9 months against FES Parent's every 19 months. 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.

TRi SCi ships an update every 9 months, FES Parent every 19 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | TRi SCi | FES Parent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 months** | Every 19 months |
| Size | 24 MB | 102 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mohamed Ghonaim](https://appshunter.io/developer/1557031724) | [Melimu Edutech Pvt Ltd](https://appshunter.io/developer/1295625580) |

## What reviewers say

### TRi SCi

[App page](https://appshunter.io/ios/app/tri-sci/id1616389486)

**Features:** macOS Compatibility

**In-app purchases:** none


### FES Parent

[App page](https://appshunter.io/ios/app/fes-parent/id6446319188)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TRi SCi free?

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

### Is FES Parent free?

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

### Do TRi SCi or FES Parent have ads?

Neither TRi SCi nor FES Parent shows ads.

### Which is updated more often, TRi SCi or FES Parent?

TRi SCi ships an update every 9 months, and FES Parent every 19 months. Most recently, TRi SCi was updated on October 7, 2026 and FES Parent on October 13, 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.*