# Centennial High School vs Delta Academy

The clearest difference is rating: Delta Academy at 4.8 against Centennial High School's 3.4. Centennial High School's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (22 vs 4). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Delta Academy holds the better App Store score, 4.8 against 3.4. That said, the two scores are not equally well evidenced: Centennial High School has 22 ratings behind it against 4, so its average is the more settled of the two.

Centennial High School ships an update every 3 weeks, Delta Academy every 4 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Centennial High School | Delta Academy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (22 ratings)](https://appshunter.io/ios/app/centennial-high-school/id1323250656/reviews) | **[4.8 (4 ratings)](https://appshunter.io/ios/app/delta-academy/id1613530883/reviews)** |
| Number of ratings | **22** | 4 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | Free |
| Size | 74 MB | 112 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Clark County School District](https://appshunter.io/developer/1500613630) | [Delta Academy](https://appshunter.io/developer/1613530885) |

## What reviewers say

### Centennial High School

[App page](https://appshunter.io/ios/app/centennial-high-school/id1323250656)

This app connects parents, students, teachers, and administrators with essential school news, interactive resources like event calendars, and quick access to online tools. Stay informed and engaged with your school community.

**Highlights:** School news updates, Interactive event calendars, Quick access to online resources, Stay connected with school community

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

**In-app purchases:** none


### Delta Academy

[App page](https://appshunter.io/ios/app/delta-academy/id1613530883)

Stay informed about school events, district updates, and cafeteria menus. Customize notifications for your student's organizations and easily access staff contacts. Never miss important announcements or deadlines.

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

**In-app purchases:** none


## Frequently asked questions

### Is Centennial High School free?

Centennial High School is free to download, with no in-app purchases.

### Is Delta Academy free?

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

### Which has better reviews, Centennial High School or Delta Academy?

Delta Academy is rated higher. Centennial High School averages 3.4 out of 5 from 22 ratings, while Delta Academy averages 4.8 from 4 ratings.

### Do Centennial High School or Delta Academy have ads?

Neither Centennial High School nor Delta Academy shows ads.

### Which is updated more often, Centennial High School or Delta Academy?

Centennial High School ships an update every 3 weeks, and Delta Academy every 4 months. Most recently, Centennial High School was updated on October 24, 2026 and Delta Academy on October 24, 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.*