Nidoria vs Sleep Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Nidoria
This app tracks sleep quality using phone sensors, providing detailed sleep stage analysis and a daily sleep score. It offers soothing sounds, smart alarms, and motivational tools to help users improve their sleep habits and wake up refreshed.
- Automatic sleep tracking without wearables
- Sleep stage classification (Awake, Light, Deep, REM)
- Daily Sleep Score (0-100)
- Soothing sleep sounds library
- Smart alarm for gentle wake-ups
- Sleep reports and history
- Bedtime reminders and streaks
Read full descriptionHide full description
Nidoria — Sleep Better Every Night Track your sleep, drift off to soothing sounds, and wake refreshed with a Smart Alarm that knows the perfect moment to wake you. WHY NIDORIA Most sleep apps just count hours. Nidoria measures quality. Using motion and audio sensors, we classify every stage of your night — Awake, Light, Deep, and REM — then turn it into a Sleep Score you can actually act on. FREE FEATURES Automatic Sleep Tracking • One-tap session start — place phone on bed, sleep, wake up to insights • Motion + audio detection classifies sleep stages with no wearable needed • Sleep Score (0–100) for every night over 30 minutes • Live session timer with discard option for false starts Sleep Sounds • Six categories: Rain, ASMR, Healing, Meditation, Nature, Noise • A selection of sounds is free — premium tracks unlock with Nidoria Premium, or unlock an individual track by watching a short ad • Favorites playlist and background playback during sleep sessions Sleep Reports • Nightly breakdown: score, duration, start and wake times • Full session history — browse any past night • Visual sleep stage timeline Streaks & Motivation • Track consecutive sleep-tracked nights • Milestone rewards at 3, 7, 14, and 30+ days • Weekly calendar view and longest streak record Bedtime Reminders • Custom wind-down notifications 10, 20, or 30 minutes before bed • Onboarding survey personalizes recommendations Privacy First • Guest mode — full tracking without an account • Local data storage with optional cloud sync • No data sold, ever NIDORIA PREMIUM — requires a paid subscription (in-app purchase) Upgrade to unlock: • Smart Alarm — wakes you during light sleep within a 15–30 minute window; custom bedtime + wake schedule with weekday repeat; full-screen alarm with snooze and dismiss • Unlimited Premium Sounds — full access to every sound, no ad needed to unlock • Ad-free experience — removes all ads • Advanced Sleep Insights — 7-day duration and deep-sleep trend charts PERFECT FOR • Light sleepers seeking gentler wake-ups • Anyone tracking sleep without a wearable • ASMR, rain, and meditation sound lovers • Habit-builders who love streaks • Insomniacs, students, parents, shift workers Download Nidoria. Sleep smarter tonight. Privacy Policy: https://appaspect.com/apps/nidoria-sleeptracker/terms.html Terms of Use: https://appaspect.com/apps/nidoria-sleeptracker/privacy-policy.html
Sleep Tracker
Gain insights into your sleep patterns, including duration, stages, and overnight health trends. Utilize optional AI analysis for actionable steps and enjoy relaxing sounds for better rest. Monitor snoring and other night sounds privately on your device.
- Sleep duration and stage tracking
- AI-powered sleep insights
- Relaxing sound library
- Night sound monitoring (snoring, coughing)
- Apple Health integration
- Manual sleep recording
Read full descriptionHide full description
Understand what happened last night—and find your calm for tonight. Sleep Tracker: SleepWell brings Apple Health sleep insights, optional AI analysis, and relaxing sounds together. Review your sleep duration, stages, Sleep Charge, recovery, sleep debt, consistency, and overnight health trends. YOUR NIGHT AT A GLANCE • See total sleep, Deep, REM, Light, and awake time when available • Review bedtime, wake time, nightly stages, and recent comparisons • Understand your Sleep Charge and recovery rating • Record sleep or naps with your phone when wearable data is unavailable • Review and adjust manual records before saving them to Apple Health AI INSIGHTS WITH A CLEARER NEXT STEP With Sleep Well Pro, request an AI analysis of your night or explore weekly and monthly summaries. See the main findings, the supporting numbers, and one practical step to try. AI is optional and off by default. Only after your separate consent does the app send the needed summaries and Apple-signed subscription proof to Cloudflare Workers and Workers AI. Raw HealthKit samples, sleep timelines, microphone audio, and snore clips are not uploaded. You can turn AI off in Settings. SOUNDS FOR WINDING DOWN Sleep Well Pro includes relaxing music, nature sounds, and white, pink, and brown noise. • Browse the sound library and find your favorites • Layer sounds with independent volume controls • Save your own mixes • Set a sleep timer with a gentle fade-out • Download sounds for offline listening • Keep listening while your iPhone is locked or the app is in the background SLEEP PATTERNS AND OVERNIGHT HEALTH Explore weekly and monthly trends in duration, stages, recovery, sleep debt, and consistency with Pro. With your permission, SleepWell reads available heart rate, HRV, blood oxygen, sleeping respiratory rate, and wrist temperature from Apple Health. Availability depends on your devices and connected apps. PRIVATE NIGHT SOUND ANALYSIS Optional Night Sound Monitoring analyzes possible snoring, coughing, sleep talking, and ambient noise on your device. It does not save a full-night raw recording, upload microphone audio, or transcribe sleep talking. Save Snore Clips is off by default. If enabled, detected snore clips stay on your device. Unpinned clips expire after seven days and are removed when the app next runs its cleanup. SLEEP WELL PRO Pro includes AI nightly and weekly/monthly insights, complete weekly/monthly analysis, the full Sounds experience, and continued Night Sound Monitoring after your first free session. Your first monitoring session is included at no charge. Choose a duration from 30 minutes to eight hours. The free session is used when monitoring actually starts, even if you stop early or it is interrupted. Its detailed report remains available locally until you delete it or remove the app. Weekly, monthly, and yearly auto-renewable subscriptions are available. Payment is charged to your Apple Account at confirmation. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel in your App Store account settings. PRIVACY AND WELLNESS Basic sleep, health, and sound analysis stays on your device. Optional AI uses only the consented summaries described above. The app has no advertising or cross-app tracking SDK. Limited technical diagnostics help us detect AI and sound-download failures. They exclude health content and recordings. SleepWell is for general wellness and information, not medical advice, diagnosis, or treatment. Privacy Policy: https://barathmelo.github.io/sleepwell-support/privacy/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: Sleep Tracker at 5.0 against Nidoria's 1.0. Sleep Tracker also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). Nidoria's advantage is iOS requirement (15.0 vs 18.0). On price, ratings volume, in-app purchases and monetization model 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. Nidoria sells 2 in-app purchases, starting at $4.99 per month and Sleep Tracker sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
Sleep Tracker holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
Nidoria ships an update every 2 months, Sleep Tracker every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.
| Parameter | Nidoria | Sleep Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 5.0 (1 ratings) — better |
| Number of ratings | 1 | 1 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 159 MB | 27 MB |
| Age rating | 12+ | 12+ |
| Developer | AppAspect Technologies Pvt. Ltd. | 子涵 王 |
Customer experience
Nidoria
Sleep Tracker
In-app purchases
Nidoria
- Monthly Premium Subscription$4.991 Month
- Yearly Premium Subscription$14.991 Year
Sleep Tracker
- WEEKLY$2.997 Days
- MONTHLY$8.991 Month
- ANNUAL3 Days trial$29.991 Year









