zZZ vs SimpleRX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
zZZ
This app analyzes your sleep patterns using data from your Apple Watch and Apple Health. It provides detailed sleep stage diagrams, trends, and insights to help you understand and improve your sleep quality. Features include tracking sleep history, heart rate, and respiratory rate.
- Automatic sleep detection with Apple Watch
- Detailed sleep stage analysis (Awake, REM, Core, Deep)
- Sleep history tracking (Day, Week, Month, Custom)
- Monitoring of heart rate and respiratory rate during sleep
- Sleep quality rating and improvement suggestions
- Watch app support
- Privacy-focused data storage
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zZZ - Sleep Tracker Sleep better with zZZ, your smart sleep assistant. We can analyze your sleep data automatically using your Apple Watch. We using sleep data with the Apple Health app on iPhone empowers you to better manage your sleep. Explore trends about your sleep and compare your sleep quality with many Apple Health metrics that affect sleep. Join us that have discovered the life-changing benefits of great sleep! Track your sleep - Wearing your Apple Watch during sleep. We will automatically detect and analyze your sleep. Analysis your sleep - Detailed sleep stage diagram (Awake, REM, Core Sleep, Deep Sleep) and sleep rate. - Show the percentage & duration of that More Sleep Info - Asleep & Awake time - Explore your sleep history with Day, Week, Month, and Custom Date - Sleeping wrist temperature, Sleeping heartbeat rate, Respiratory rate - Discover all aspects of your sleep Sleep Quality - Analyze your sleep and rate that.Find the bad days or nice dream days - Help you to improve your sleep Setting - Theme Setting - Widget - Notification - More App Icons - Share with friends Watch App - You can also use the app in your watch. Privacy by Design - We uses Apple’s HealthKit API which reads and writes data directly on your device only, and all of your data is stored locally, or on other devices which you enabled iCloud syncing. FINALLY, Wish you have a good night~
SimpleRX
This app helps users manage their medications with automatic reminders and refill alerts. It also offers features for caregivers to monitor adherence and provides crucial medical information for emergencies.
- Medication tracking and reminders
- Barcode scanning for prescriptions
- Refill alerts
- Caregiver monitoring
- Drug interaction checker
- Medical ID card
- Printable EMS Quick Reference Card
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SimpleRX is a medication tracker built by a paramedic who saw firsthand what happens when patients can't remember their medications. It's designed to be simple enough for anyone to use, and detailed enough to matter when it counts. For patients: Add your prescriptions in seconds by typing the name or scanning the barcode on your pill bottle. SimpleRX looks up what the medication is for and sets your daily reminders automatically. When you're running low, it reminds you to refill before you run out. For caregivers: Stay connected to the people you care for. Get notified when they take a dose, miss one, or need a refill. View their medications, adherence history, and emergency information — all from your own phone. Safety features built in: SimpleRX checks for drug interactions every time you add a new medication and explains them in plain English. It tells you what side effects to expect when starting something new, and alerts opioid patients about Narcan and where to get it free. Emergency ready: Build a complete Medical ID card with your conditions, allergies, blood type, DNR status, and emergency contacts. Generate a printable EMS Quick Reference Card that first responders can read at a glance, designed by a paramedic for patients. What makes SimpleRX different: Large buttons and clear text designed for elderly users Speaks your medication name out loud when it's time to take it No complicated setup, works in minutes Available in English and Spanish Caregiver access is always free One simple price, no subscription ever
Screenshots
Verdict
The clearest difference is in-app purchases: zZZ at none against SimpleRX's 1. zZZ also leads on update cadence (every 2 days vs every 5 days) and iOS requirement (17.0 vs 26.5). On price, ads, monetization model and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. SimpleRX sells 1 one-off in-app purchase. zZZ asks for nothing beyond the download.
zZZ ships an update every 2 days, SimpleRX every 5 days. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.
| Parameter | zZZ | SimpleRX |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 days — better | Every 5 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 17.0 — better | 26.5 |
| Further details — not scored | ||
| Size | 41 MB | 13 MB |
| Age rating | 12+ | 4+ |
| Developer | 子龙 郭 | Luke Heyne |
Customer experience
zZZ
SimpleRX
In-app purchases
zZZ
No in-app purchases
SimpleRX
- Unlock SimpleRX$2.99









