# NRP Certification Test vs NPS Audio Lectures

The clearest difference is price: NRP Certification Test at Free against NPS Audio Lectures's $104.99. NPS Audio Lectures's advantage is in-app purchases (none vs 2) and update cadence (daily vs every 2 months). On ads and device support there is nothing between them.

NRP Certification Test is free to download; NPS Audio Lectures costs $104.99 up front. NRP Certification Test sells 2 in-app purchases, starting at $9.99 per month. NPS Audio Lectures asks for nothing beyond the download.

NRP Certification Test ships an update every 2 months, NPS Audio Lectures daily. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | NRP Certification Test | NPS Audio Lectures |
| --- | --- | --- |
| Price | **Free** | $104.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Size | 9 MB | 311 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Cargo Teleport Inc](https://appshunter.io/developer/1761832181) | [RTS Publishing Co Inc](https://appshunter.io/developer/604916069) |

## What reviewers say

### NRP Certification Test

[App page](https://appshunter.io/ios/app/nrp-certification-test/id6739351111)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $9.99 | per month |
| Lifetime version | $19.99 | one-time |


### NPS Audio Lectures

[App page](https://appshunter.io/ios/app/nps-audio-lectures/id6755204196)

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

**In-app purchases:** none


## Frequently asked questions

### Is NRP Certification Test free?

NRP Certification Test is free to download, with in-app purchases available.

### Is NPS Audio Lectures free?

NPS Audio Lectures costs $104.99, with no in-app purchases.

### Do NRP Certification Test or NPS Audio Lectures have ads?

Neither NRP Certification Test nor NPS Audio Lectures shows ads.

### Which is updated more often, NRP Certification Test or NPS Audio Lectures?

NRP Certification Test ships an update every 2 months, and NPS Audio Lectures daily. Most recently, NRP Certification Test was updated on September 19, 2026 and NPS Audio Lectures on September 11, 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.*