# Lisbon CSD vs srsdeaf

The clearest difference is iOS requirement: Lisbon CSD at 13.0 against srsdeaf's 16.0. On price, rating, ratings volume and update cadence there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Lisbon CSD against 5.0 for srsdeaf. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Lisbon CSD ships an update every 6 months, srsdeaf every 5 months. The most recent releases landed on October 17, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Lisbon CSD | srsdeaf |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/lisbon-csd/id1621012253/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/srsdeaf/id6450191534/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 18 MB | 143 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nicholas Landkamer](https://appshunter.io/developer/1675419748) | [St. Rita School for the Deaf](https://appshunter.io/developer/1692248580) |

## What reviewers say

### Lisbon CSD

[App page](https://appshunter.io/ios/app/lisbon-csd/id1621012253)

Stay connected with your school community. This app provides easy access to school news, events, menus, and staff contact information. Receive important announcements and alerts directly to your device.

**Highlights:** School news and events, Breakfast and lunch menus, Staff directory and contact info, Push notifications for alerts, Access to district social media, Newsletters

**Features:** macOS Compatibility

**In-app purchases:** none


### srsdeaf

[App page](https://appshunter.io/ios/app/srsdeaf/id6450191534)

Stay informed about school events, district updates, and cafeteria menus. Customize notifications for your student's organizations and easily access staff contact information.

**Highlights:** Event calendar integration, Customizable notifications, Weekly cafeteria menus, Live district updates, Staff and department directory

**In-app purchases:** none


## Frequently asked questions

### Is Lisbon CSD free?

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

### Is srsdeaf free?

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

### Which has better reviews, Lisbon CSD or srsdeaf?

Lisbon CSD and srsdeaf are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Lisbon CSD or srsdeaf have ads?

Neither Lisbon CSD nor srsdeaf shows ads.

### Which is updated more often, Lisbon CSD or srsdeaf?

Lisbon CSD ships an update every 6 months, and srsdeaf every 5 months. Most recently, Lisbon CSD was updated on October 17, 2026 and srsdeaf on October 6, 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.*