# The CSAM App vs RETSD

The clearest difference is iOS requirement: RETSD at 13.0 against The CSAM App's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

The CSAM App ships an update every 8 months, RETSD every 7 months. The most recent releases landed on September 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | The CSAM App | RETSD |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 7 months** |
| Monetization | — | Free |
| Size | 77 MB | 101 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bit Space Development Ltd.](https://appshunter.io/developer/1159766048) | [Concept Interactive Inc.](https://appshunter.io/developer/1437684225) |

## What reviewers say

### The CSAM App

[App page](https://appshunter.io/ios/app/the-csam-app/id1462085457)

**Features:** macOS Compatibility

**In-app purchases:** none


### RETSD

[App page](https://appshunter.io/ios/app/retsd/id1628491500)

Receive instant updates and push notifications from your school division or any of its 42 schools. Customize the content you see, including news, events, and urgent alerts, delivered directly to your phone, tablet, or smartwatch.

**Highlights:** Real-time updates, Push notifications, School-specific content, Customizable alerts, Calendar events, Urgent alerts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The CSAM App free?

The CSAM App is free to download, with no in-app purchases.

### Is RETSD free?

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

### Do The CSAM App or RETSD have ads?

Neither The CSAM App nor RETSD shows ads.

### Which is updated more often, The CSAM App or RETSD?

The CSAM App ships an update every 8 months, and RETSD every 7 months. Most recently, The CSAM App was updated on September 21, 2026 and RETSD on October 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*