# Século Agenda vs Sentinel

The clearest difference is review sentiment: Século Agenda at 33% against Sentinel's 25%. Século Agenda also leads on device support (3 vs 1) and iOS requirement (11.0 vs 16.4). 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.

Século Agenda ships an update every 3 weeks, Sentinel fortnightly. The most recent releases landed on September 15, 2026 and September 5, 2026 respectively.

## The numbers

| Metric | Século Agenda | Sentinel |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **33.3% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 38 MB | 59 MB |
| Requires iOS | **11.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | +4 |
| Developer | [Rogerio Americo](https://appshunter.io/developer/1130144362) | [Sentinel Desenvolvimento Ltda](https://appshunter.io/developer/1761365452) |

## What reviewers say

### Século Agenda

[App page](https://appshunter.io/ios/app/seculo-agenda/id1130144363)

This application serves as a digital agenda for educational institutions, providing a centralized platform for communication and information sharing. It allows schools to share weekly updates, announcements, menus, and academic calendars with parents and students. Key features include access to grades, homework assignments, financial information, and medical records.

**Highlights:** Weekly informative updates, School announcements, Academic calendar, Student grades and homework, Financial management, Medical records access

**Features:** Vision Pro support

**In-app purchases:** none


### Sentinel

[App page](https://appshunter.io/ios/app/sentinel/id6612033669)

Manage your condominium's daily life with ease. Send visitor invitations, track deliveries, reserve common areas, and access important documents. Stay informed with official announcements and manage requests efficiently.

**Highlights:** Visitor invitations and real-time authorization, Package and mail tracking, Common area reservations, Activity and class sign-ups, Occurrence and request management, Official announcements and digital bulletin board, Access to condominium documents

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

**In-app purchases:** none


## Frequently asked questions

### Is Século Agenda free?

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

### Is Sentinel free?

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

### Do Século Agenda or Sentinel have ads?

Neither Século Agenda nor Sentinel shows ads.

### Which is updated more often, Século Agenda or Sentinel?

Século Agenda ships an update every 3 weeks, and Sentinel fortnightly. Most recently, Século Agenda was updated on September 15, 2026 and Sentinel on September 5, 2026.

---

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