# CAT SIS vs Derasti

The clearest difference is update cadence: CAT SIS at daily against Derasti's every 3 days. 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.

CAT SIS ships an update daily, Derasti every 3 days. The most recent releases landed on October 8, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | CAT SIS | Derasti |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/cat-sis/id6479576357/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Free | — |
| Size | 20 MB | 18 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Informatique for Information Technology](https://appshunter.io/developer/1505295476) | [STE INNOVI.TECH](https://appshunter.io/developer/1475630222) |

## What reviewers say

### CAT SIS

[App page](https://appshunter.io/ios/app/cat-sis/id6479576357)

This app provides a comprehensive platform for students and faculty to manage academic information. It offers features for tracking grades, attendance, schedules, and financial details, aiming to enhance educational efficiency and collaboration.

**Highlights:** Academic profile management, Grade and GPA tracking, Attendance monitoring, Timetable and class details, Test and college cost information, Faculty class management

**Features:** macOS Compatibility

**In-app purchases:** none


### Derasti

[App page](https://appshunter.io/ios/app/derasti/id6741737816)

**In-app purchases:** none


## Frequently asked questions

### Is CAT SIS free?

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

### Is Derasti free?

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

### Do CAT SIS or Derasti have ads?

Neither CAT SIS nor Derasti shows ads.

### Which is updated more often, CAT SIS or Derasti?

CAT SIS ships an update daily, and Derasti every 3 days. Most recently, CAT SIS was updated on October 8, 2026 and Derasti on September 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.*