# HAASPCS vs Praxis Core Prep

The clearest difference is in-app purchases: HAASPCS at none against Praxis Core Prep's 2. HAASPCS also leads on iOS requirement (12.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Praxis Core Prep sells 2 in-app purchases, starting at $3.99 per 7 days. HAASPCS asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HAASPCS | Praxis Core Prep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 83 MB | 9 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hawaii Academy Of Arts & Science Public Charter School](https://appshunter.io/developer/1794181993) | [Hermes Inteligencia Digital Ltda](https://appshunter.io/developer/1896694873) |

## What reviewers say

### HAASPCS

[App page](https://appshunter.io/ios/app/haaspcs/id6741437926)

**Features:** macOS Compatibility

**In-app purchases:** none


### Praxis Core Prep

[App page](https://appshunter.io/ios/app/praxis-core-prep-teach-and-test/id6789263143)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Praxis Prep Weekly | $3.99 | per 7 days |
| Praxis Prep Monthly | $10.99 | per month |


## Frequently asked questions

### Is HAASPCS free?

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

### Is Praxis Core Prep free?

Praxis Core Prep is free to download, with in-app purchases available.

### Do HAASPCS or Praxis Core Prep have ads?

Neither HAASPCS nor Praxis Core Prep shows ads.

### Which is updated more often, HAASPCS or Praxis Core Prep?

HAASPCS ships an update every 3 weeks, and Praxis Core Prep every 3 weeks. Most recently, HAASPCS was updated on October 7, 2026 and Praxis Core Prep 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.*