# Interstaff vs ScrubRN

The clearest difference is in-app purchases: Interstaff at none against ScrubRN's 2. ScrubRN's advantage is update cadence (every 5 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ScrubRN sells 2 in-app purchases, starting at $9.99 per month. Interstaff asks for nothing beyond the download.

Interstaff ships an update every 3 weeks, ScrubRN every 5 days. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Interstaff | ScrubRN |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/scrubrn-nclex-prep/id6781548989/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 79 MB | 51 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Interstaff, Inc](https://appshunter.io/developer/1800320587) | [Viktor Blais](https://appshunter.io/developer/1887136612) |

## What reviewers say

### Interstaff

[App page](https://appshunter.io/ios/app/interstaff/id6745847197)

**In-app purchases:** none


### ScrubRN

[App page](https://appshunter.io/ios/app/scrubrn-nclex-prep/id6781548989)

This app transforms NCLEX board preparation into an engaging daily habit. It offers focused, swipe-based questions with instant feedback and detailed rationales. Gamified elements like daily goals and streaks encourage consistent study, making learning efficient and enjoyable.

**Highlights:** Swipe-based question feed, Instant feedback and rationales, All NCLEX question types, Realistic case studies, Daily goals and streaks, Practice by content area, Progress tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScrubRN Pro (Monthly) | $9.99 | per month |
| ScrubRN Pro (Annual) | $79.99 | per year |


## Frequently asked questions

### Is Interstaff free?

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

### Is ScrubRN free?

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

### Do Interstaff or ScrubRN have ads?

Neither Interstaff nor ScrubRN shows ads.

### Which is updated more often, Interstaff or ScrubRN?

Interstaff ships an update every 3 weeks, and ScrubRN every 5 days. Most recently, Interstaff was updated on October 2, 2026 and ScrubRN on October 6, 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.*