Nocty vs Cubby Baby Tracker
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Nocty
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Waking up refreshed starts with understanding how you rest. Nocty transforms your nightly data into clear, actionable insights. By combining advanced sleep stage analysis with key health vitals, we give you a complete picture of your nightly recharge without the complexity. [Sleep Balance] One night doesn't tell the whole story. We track your cumulative sleep over time to calculate your Sleep Debt or Surplus. [Your Daily Sleep Score] Stop guessing how well you slept. We distill your night into a simple, easy-to-understand Sleep Score. Use it to gauge your energy levels and plan your day. [Detailed Stage Analysis] Deep dive into your hypnogram. Visualize exactly how much time you spent in: - Deep Sleep: For physical recovery. - REM Sleep: For mental clarity and dreaming. - Core/Light Sleep: The foundation of your rest. - Awake Time: See interruptions you might not remember. [Vital Health Metrics] We monitor the metrics that matter for your long-term health: - Resting Heart Rate: Track cardiovascular health. - Heart Rate Variability (HRV): A key indicator of recovery and stress. - Respiration Rate: Keep an eye on nightly breathing patterns. - Blood Oxygen (SpO2): Monitor breathing efficiency. [Beautiful Widgets] Keep your insights front and center. Customize your Home Screen with elegant widgets that display your Sleep Score and Vitals at a glance. Your health data is sensitive, and we treat it that way. Nocty integrates seamlessly with Apple Health to read your data securely. Your sleep analysis happens on your device.
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 โ 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 โข One tap starts and stops the sleep timer โข Two taps log a bottle, a nursing session or a diaper โข 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 โ 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 โ no push server involved. BUILT BY ONE PERSON I built Cubby in a year when AI finally made something like this achievable alone โ 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 โ 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 โ 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 โ always talk to your pediatrician about anything that worries you.
Screenshots
Verdict
The clearest difference is in-app purchases: Nocty at none against Cubby Baby Tracker's 3. Cubby Baby Tracker's advantage is iOS requirement (16.4 vs 26.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Cubby Baby Tracker sells 3 one-off in-app purchases. Nocty asks for nothing beyond the download.
Nocty ships an update every 5 days, Cubby Baby Tracker every 4 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Nocty | Cubby Baby Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone | iPhone, Apple Watch โ better |
| Requires iOS | 26.0 | 16.4 โ better |
| Further details โ not scored | ||
| Size | 1 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Daniel Ni | Meng-Yi Hsu |
In-app purchases
Nocty
No in-app purchases
Cubby Baby Tracker
- Unlock All Apps I Built$5.99
- Unlock Cubby$9.99
- Unlock Cubby$12.99









