NapNap App vs Steady
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NapNap App
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NapNap App was created to aid a friend suffering from nightly nightmares. NapNap App helps you sleep better by quietly tracking your heart rate overnight. If your heart spikes or stress rises, it gently vibrates to help you settle. Wake up refreshed with clear insights into your sleep quality. Choose your own heart rate limits and let NapNap watch over your rest. If your heart starts racing during a nightmare, gentle wrist vibrations help ease you back into peaceful sleep, without waking you fully. No data is transmitted. All data is stored locally on your Apple Watch. Once downloaded, this app can be used offline, anytime, anywhere.
Steady
This app helps shift workers manage fatigue and optimize sleep. It offers a smart wake alarm, fatigue forecasting, and personalized coaching tips. Prioritizing privacy, it keeps all your data on your device.
- Drive home risk alert
- Smart wake alarm
- 3-day fatigue forecast
- Evidence-based coaching tips
- Bilingual (English/Spanish)
- Private, on-device data storage
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Steady is built for shift workers, not 9-to-5. WHAT MAKES STEADY DIFFERENT SUBSCRIPTION TERMS Steady Pro is an auto-renewing subscription, $3.99 a month or $24.99 a year. Payment is charged to your Apple Account at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Manage or cancel anytime in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://jcmobileappstudio.com/apps/steady/privacy/ • Roster import from a photo: point your camera at the printed schedule on the wall. Steady reads the dates, codes and hours, and you confirm every day before it's saved. Or import from your Calendar. • Drive home risk alert: warns you before you get in the car when fatigue makes the drive too risky. 17 hours awake is roughly a 0.05% BAC. • Your next 24 hours: a predicted alertness curve that shows when you'll crash, plus the best windows for exercise, meals and light. • A sleep score that understands nights: consistency is measured against your own rotation, not a 9-to-5 clock. • Sleep debt, and a way out: how far behind you are, whether it's growing, and a payback plan built around your real rota. • Discoveries: learn what actually changes your sleep, corrected for work nights vs rest nights. • Smart wake alarm: wakes you in your lightest sleep within a 30-minute window, backed by a real system alarm on iOS 26 and later. • 290 evidence-based coaching tips, grounded in AASM, NIOSH and chronobiology research, matched to how you're doing right now. • Bilingual English and Spanish, written natively in both. • Private and on-device: no accounts, no servers, no tracking. Apple's "Data Not Collected" badge. BUILT FOR YOUR ROTATION • Manufacturing: DuPont, 4-on-4-off, Panama 2-2-3, 5-on-5-off • Healthcare: 12-hour rotating, fixed nights, on-call • Public safety: police, fire, corrections, dispatch • Hospitality: hotels, restaurants, bars, gaming • Transit and logistics: trucking, rideshare, public transit, delivery FREE FEATURES • Shift templates and a custom pattern editor • Roster import from your Calendar • Sleep log with Apple Health sync and write-back • Daily fatigue score with a full "why" breakdown • Ten-second bedtime and wake check-ins • Wind Down: brown noise, pink noise and 4-7-8 breathing • Smart nap planner • Caffeine, alcohol, exercise and meal logging • Bedtime and shift-day reminders • Sleep streaks • Apple Watch app with complications • Home Screen, Lock Screen and Control Center widgets • Live Activity for your next shift • Siri and Shortcuts STEADY PRO Free for 7 days, then $3.99 a month or $24.99 a year. • Roster import from a photo • Drive home risk alert • Your next 24 hours and the light plan • Sleep debt ledger • Shift-aware sleep score • Sleep stages and overnight vitals • Discoveries • 7-day fatigue forecast on your calendar • Smart wake alarm • Unlimited Apple Health history and shift overrides • The full coaching library EVERY SCREEN • iPhone, iPad and Apple Watch • iPhone Duo inner display: two columns, a sidebar layout, menu commands and keyboard shortcuts. Never a stretched-out phone screen. WHY WE BUILT THIS Most shift workers don't get to choose their schedules. They do get to choose how they recover. Steady helps you do that, without selling your data or charging $70 a year. Steady is not a medical device. Always consult a licensed clinician for medical advice.
Screenshots
Verdict
The clearest difference is in-app purchases: NapNap App at none against Steady's 2. NapNap App also leads on iOS requirement (13.0 vs 18.0). On price, ads 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. Steady sells 2 in-app purchases, starting at $0.99 per month. NapNap App asks for nothing beyond the download.
| Parameter | NapNap App | Steady |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | — | Weekly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 1 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Zachary Huang | JC Mobile App Studio LLC |
In-app purchases
NapNap App
No in-app purchases
Steady
- Steady Pro, Monthly7 Days trial$0.991 Month
- Steady Pro, Yearly7 Days trial$8.991 Year









