# AARP Staying Sharp vs Lunakai

The clearest difference is review sentiment: Lunakai at 100% against AARP Staying Sharp's 52%. Lunakai also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. AARP Staying Sharp sells 1 in-app purchase, starting at $20.00 per year. Lunakai asks for nothing beyond the download.

AARP Staying Sharp ships an update every 5 weeks, Lunakai every 3 weeks. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | AARP Staying Sharp | Lunakai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.2K ratings)](https://appshunter.io/ios/app/aarp-staying-sharp/id1583055598/reviews)** | — |
| Number of ratings | **3.2K** | — |
| Positive reviews | 52.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 76 MB | 40 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [AARP](https://appshunter.io/developer/394286732) | [Smart Aprils](https://appshunter.io/developer/1659921549) |

## What reviewers say

### AARP Staying Sharp

[App page](https://appshunter.io/ios/app/aarp-staying-sharp/id1583055598)

This app offers science-based challenges and expert advice to improve brain health, focusing on memory, focus, and digital well-being. It provides interactive tools and exercises to help users build lasting, brain-healthy habits.

**Highlights:** Science-based brain health challenges, Expert advice on memory and focus, Digital decluttering strategies, Interactive tools and exercises, Progress saving across devices, Earn AARP Rewards points

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AARP Membership | $20.00 | per year |

**What reviewers like**

- 👍 Helpful and practical exercises
- 🧠 Effective for improving mental sharpness
- 🎮 Fun and engaging games
- 🔍 Useful for monitoring brain health
- 💡 Recommended by healthcare professionals

**What reviewers complain about**

- 🐛 Recurring login issues
- 🚫 Limited game selection
- 🔁 Endless login loops
- 🤯 Confusing user experience
- 🚫 Inaccessible games

**Reported bugs**

- Games not launching properly
- App freezing or crashing
- Inability to access core features

**Requested features**

- Expand game library
- Improve login and navigation experience
- Add more accessibility features
- Provide clearer instructions and guidance


### Lunakai

[App page](https://appshunter.io/ios/app/lunakai/id6737486582)

This app helps you remember to take your vitamins and supplements with customizable daily alerts. Easily set specific times for each item in your regimen to maintain consistency and achieve your health goals. Its intuitive design makes managing your routine simple.

**Highlights:** Personalized supplement reminders, Customizable alert times, User-friendly interface, Quick supplement setup, Progress tracking, Organized supplement list

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AARP Staying Sharp free?

AARP Staying Sharp is free to download, with in-app purchases available.

### Is Lunakai free?

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

### Do AARP Staying Sharp or Lunakai have ads?

AARP Staying Sharp shows ads; Lunakai does not.

### Which is updated more often, AARP Staying Sharp or Lunakai?

AARP Staying Sharp ships an update every 5 weeks, and Lunakai every 3 weeks. Most recently, AARP Staying Sharp was updated on October 20, 2026 and Lunakai on October 2, 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.*