# RxAce vs Stillkeen

The clearest difference is price: Stillkeen at Free against RxAce's $2.99. Stillkeen also leads on device support (3 vs 1) and ratings volume (3 vs 1). RxAce's advantage is in-app purchases (none vs 3). On rating and ads there is nothing between them.

Stillkeen is free to download; RxAce costs $2.99 up front. Stillkeen sells 3 in-app purchases, starting at $4.99 per month. RxAce asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for RxAce against 5.0 for Stillkeen. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

## The numbers

| Metric | RxAce | Stillkeen |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/rxace-naplex-prep/id6790689656/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/stillkeen-brain-training/id6798514857/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 days |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 82 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Karan Kohli](https://appshunter.io/developer/1896505451) | [绪伶 罗](https://appshunter.io/developer/6780311584) |

## What reviewers say

### RxAce

[App page](https://appshunter.io/ios/app/rxace-naplex-prep/id6790689656)

Prepare for the NAPLEX exam with practice questions, flashcards, and quizzes covering key pharmacy topics. Study offline with no subscriptions or ads, and track your progress to master the material.

**Highlights:** NAPLEX-style practice questions, Drug flashcards with mastery system, Quick quizzes for memorization, Searchable sig code reference, Progress tracking and study charts, Offline study capability

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

**In-app purchases:** none


### Stillkeen

[App page](https://appshunter.io/ios/app/stillkeen-brain-training/id6798514857)

Engage in daily brain-training games designed to enhance focus, memory, and cognitive flexibility. Track your progress with detailed practice records and unlock advanced exercises and custom plans with premium features.

**Highlights:** Daily focus and memory games, Progress tracking and practice records, Variety of cognitive exercises, Customizable plans and guided programs, Home screen widget for quick access, Medals for practice milestones

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stillkeen Premium Monthly | $4.99 | per month |
| Stillkeen Premium Annual | $29.99 | per year |
| Stillkeen Premium Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is RxAce free?

RxAce costs $2.99, with no in-app purchases.

### Is Stillkeen free?

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

### Which has better reviews, RxAce or Stillkeen?

RxAce and Stillkeen are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do RxAce or Stillkeen have ads?

Neither RxAce nor Stillkeen shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*