Steady vs Cubby Baby Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Cubby Baby Tracker
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Cubby is the baby tracker for the 3am version of you. Every other tracker is bright, pastel and built for daylight. Cubby is dark by default, because the job happens in a blacked-out nursery with one hand free. No account. No sign-up. No email. No ads. Open it, log the feed, and go back to bed. ONE DIAL FOR THE WHOLE DAY Cubby draws your baby's day as a 24-hour clock. Sleep shows as arcs, feeds as spokes, changes as pips on the rim. One look tells you what kind of night that was — something no list of rows has ever managed. IT LEARNS WHEN THE NAP IS COMING Cubby measures your baby's actual wake windows and tells you when the next nap is likely, with an honest window rather than false precision. Until there's enough history it falls back to age guidance and says so. Most trackers put nap prediction behind a monthly plan; Cubby has no subscription at all. IT ALSO LEARNS THE FEEDS Next feed predicted from the median gap between recent feeds. FAST WHEN YOU'RE WRECKED • One tap starts and stops the sleep timer • Two taps log a bottle, a nursing session or a diaper • Big targets, tabular numerals, no hunting TRACK EVERYTHING THAT MATTERS Bottles, nursing timers per side, solids, sleep, diapers, pumping, weight, length, head circumference, temperature and medicines. MILESTONES AND SHOTS CDC milestone checklists by age and the routine childhood immunisation schedule, ticked off as you go. Most trackers skip both entirely. REAL WHO GROWTH CENTILES Weight, length and head plotted against the actual WHO Child Growth Standards — 3rd to 97th centile bands with the median through the middle, and your baby's centile named beside each reading. Built from WHO's own published tables, not an approximation. TWINS WELCOME Each baby gets their own log; switch with a tap. REMINDERS, ON DEVICE Optional nudges when a feed is likely due or the nap window opens. Scheduled on your iPhone — no push server involved. BUILT BY ONE PERSON I built Cubby in a year when AI finally made something like this achievable alone — then kept building whatever parents asked for. No team, no investors, and no roadmap written by anyone but the people using it. And no subscription: logging your own baby's nights shouldn't cost a monthly fee. YOUR LOG STAYS YOURS Every feed, sleep and diaper you log stays on your iPhone — export the whole log whenever your pediatrician asks. No tracking of you across other companies' apps or websites, and nothing shared with data brokers. TELL ME WHAT TO BUILD See something in another baby tracker that you wish this one had? Email mark@vibecode.review. I read every message and I build what people actually ask for — that is how most of this app got here. Cubby describes what you logged and estimates from your own data. It is not medical advice. Growth centiles come from the WHO Child Growth Standards and are there for context, not diagnosis — always talk to your pediatrician about anything that worries you.
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Verdict
The clearest difference is iOS requirement: Cubby Baby Tracker at 16.4 against Steady's 18.0. On price, update cadence, ads and in-app purchases 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 $3.99 per month and Cubby Baby Tracker sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Steady ships an update weekly, Cubby Baby Tracker every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.
| Parameter | Steady | Cubby Baby Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, Apple Watch |
| Requires iOS | 18.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 8 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | JC Mobile App Studio LLC | Meng-Yi Hsu |
In-app purchases
Steady
- Steady Pro, Monthly7 Days trial$3.991 Month
- Steady Pro, Yearly7 Days trial$24.991 Year
Cubby Baby Tracker
- Unlock All Apps I Built$5.99
- Unlock Cubby$9.99
- Unlock Cubby$12.99









