# NHA vs Didactus

The clearest difference is iOS requirement: NHA at 13.0 against Didactus's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. NHA sells 2 in-app purchases, starting at $24.99 per month and Didactus sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

NHA ships an update every 2 months, Didactus every 6 weeks. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | NHA | Didactus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (405 ratings)](https://appshunter.io/ios/app/nha/id1591622159/reviews)** | — |
| Number of ratings | **405** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 35 MB | 35 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [MastrAPI](https://appshunter.io/developer/1618627725) | [KEITH MICHAEL BLEVINS](https://appshunter.io/developer/1872107809) |

## What reviewers say

### NHA

[App page](https://appshunter.io/ios/app/nha/id1591622159)

Prepare for your NHA CPT exam with a personalized study plan and over 1000 practice questions. Track your progress, identify weak areas, and compare your scores to the community average to boost your confidence for certification.

**Highlights:** Personalized study plan, 1000+ practice questions, Track strengths and weaknesses, Detailed test statistics, Community score comparison, Updated for 2026 exam cycle

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly with Trial | $24.99 | per month |
| Lifetime | $99.99 | one-time |


### Didactus

[App page](https://appshunter.io/ios/app/didactus/id6758306095)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LVN NCLEX Module | $39.99 | one-time |
| Registered Nurse NCLEX Prep | $69.99 | one-time |


## Frequently asked questions

### Is NHA free?

NHA is free to download, with in-app purchases available.

### Is Didactus free?

Didactus is free to download, with in-app purchases available.

### Do NHA or Didactus have ads?

Neither NHA nor Didactus shows ads.

### Which is updated more often, NHA or Didactus?

NHA ships an update every 2 months, and Didactus every 6 weeks. Most recently, NHA was updated on October 7, 2026 and Didactus on September 29, 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.*