# SDOC Chatham vs Cogito Debate

The clearest difference is update cadence: Cogito Debate at every 6 weeks against SDOC Chatham's every 4 months. Cogito Debate also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

SDOC Chatham ships an update every 4 months, Cogito Debate every 6 weeks. The most recent releases landed on October 12, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SDOC Chatham | Cogito Debate |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/sdoc-chatham/id6446257141/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 148 MB | 51 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [School District of the Chathams](https://appshunter.io/developer/1676985743) | [Bruce Silvera](https://appshunter.io/developer/1739864015) |

## What reviewers say

### SDOC Chatham

[App page](https://appshunter.io/ios/app/sdoc-chatham/id6446257141)

Stay informed about district events, receive customized notifications for your student's organizations, and access weekly cafeteria menus. Get real-time updates from administration and easily find staff contact information.

**Highlights:** Event calendar with sharing, Customizable student organization notifications, Weekly cafeteria menus, District live feed updates, Staff and department directory

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

**In-app purchases:** none


### Cogito Debate

[App page](https://appshunter.io/ios/app/cogito-debate/id6482660973)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is SDOC Chatham free?

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

### Is Cogito Debate free?

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

### Do SDOC Chatham or Cogito Debate have ads?

Neither SDOC Chatham nor Cogito Debate shows ads.

### Which is updated more often, SDOC Chatham or Cogito Debate?

SDOC Chatham ships an update every 4 months, and Cogito Debate every 6 weeks. Most recently, SDOC Chatham was updated on October 12, 2026 and Cogito Debate 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.*