# Duke School vs Armadillo Charter

The clearest difference is device support: Duke School at 3 against Armadillo Charter's 1. Duke School also leads on iOS requirement (14.0 vs 16.0). 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.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Duke School | Armadillo Charter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/duke-school/id1247681957/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 51 MB | 125 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Duke School](https://appshunter.io/developer/1479428977) | [Armadillo Technical Institute](https://appshunter.io/developer/1691933740) |

## What reviewers say

### Duke School

[App page](https://appshunter.io/ios/app/duke-school/id1247681957)

This app centralizes essential information for parents, students, and faculty, offering easy mobile access to news, events, photos, and contact directories. Users can browse content, filter for relevance, and directly email constituents.

**Highlights:** News and announcements, Photo and document browsing, Calendar events with filtering, Constituent directory access, Direct email functionality, Content filtering and preference saving

**Features:** macOS Compatibility

**In-app purchases:** none


### Armadillo Charter

[App page](https://appshunter.io/ios/app/armadillo-charter/id6450124849)

**In-app purchases:** none


## Frequently asked questions

### Is Duke School free?

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

### Is Armadillo Charter free?

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

### Do Duke School or Armadillo Charter have ads?

Neither Duke School nor Armadillo Charter shows ads.

### Which is updated more often, Duke School or Armadillo Charter?

Duke School ships an update every 2 months, and Armadillo Charter every 2 months. Most recently, Duke School was updated on October 23, 2026 and Armadillo Charter on October 25, 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.*