Sleepster vs PonyRelief
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sleepster
Drift off peacefully with immersive nature sounds and stunning animated backgrounds. This app offers advanced sound mixing and customizable visuals to create your perfect bedtime atmosphere for better sleep.
- Advanced multi-sound mixing
- Mesmerizing animated backgrounds
- Smart sleep timer
- Full-screen sleep mode
- Background audio support
- Customizable themes
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Sleepster - Your Ultimate Sleep Companion Transform Your Nights with Nature's Most Soothing Sounds. Sleepster is a beautifully crafted iOS sleep app that helps you drift off peacefully with an immersive collection of nature sounds and stunning animated backgrounds. Whether you're struggling with insomnia, looking to improve your sleep quality, or simply want to create the perfect bedtime atmosphere, Sleepster offers everything you need for a restful night. Key Features Advanced Multi-Sound Mixing - Blend up to 5 nature sounds simultaneously for your perfect sleep soundtrack - Choose from thunder storms, ocean waves, forest sounds, rain, and more - Create personalized sound combinations that adapt to your mood Mesmerizing Animated Backgrounds - Six breathtaking animated scenes: Dreamy Meadow, Mystic Ocean, Enchanted Garden, Cosmic Dreams, Sacred Geometry, and Tranquil Storm - Sophisticated visual effects with particle systems, caustics, and atmospheric depth - Customizable themes, intensity, and speed settings for the perfect ambiance Smart Sleep Timer - Flexible timer options from 5 minutes to 2 hours - Gentle volume fade-out as you fall asleep - Quick timer presets for instant setup Sleep Mode Experience - Full-screen immersive animations that block out distractions - Automatic brightness adjustment for optimal sleep conditions - Simple tap-to-wake interface when you're ready Intelligent Features - Auto-lock disable to keep your sleep session uninterrupted - Background audio support for all-night comfort - Haptic feedback for intuitive interaction - Portrait and landscape orientation support Beautiful Design - Clean, modern interface optimized for nighttime use - Smooth animations and transitions - Dark mode support for reduced eye strain Perfect For - Sleep Seekers: Fall asleep faster with calming nature sounds - Meditation Enthusiasts: Create peaceful environments for mindfulness - Shift Workers: Block out daytime noise for quality rest - Parents: Soothe babies and children with gentle soundscapes - Students: Focus on studying or relaxation between sessions - Travelers: Mask unfamiliar sounds in hotels or new environments Why Choose Sleepster? Unlike basic white noise apps, Sleepster combines the science of sound therapy with stunning visual artistry. Our advanced mixing engine lets you create truly personalized soundscapes, while our hand-crafted animations provide a feast for the eyes as you wind down. Every detail is designed to help you transition from the stress of the day to the tranquility of night. Download Sleepster today and discover the sleep experience you've been dreaming of.
PonyRelief
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PonyRelief is a gentle Apple Watch companion for HRV, stress trends, sleep and heart rate. Compare your readings with your personal baseline, explore the traditional Chinese wellness clock, and make room for small pauses. HRV trends, a traditional Chinese wellness clock, and a little pony to make daily self-care feel lighter. HRV & WELLNESS TRENDS • View the latest available HRV readings and trends. • Explore stress and body-status references based on your personal baseline. • Review daily, weekly, and monthly patterns. • Check sleep, heart rate, blood oxygen, and activity records. • Explore estimated Body Age (Vitality Age) and its contributing factors. • Receive gentle stress-status alerts when conditions are met. THE TRADITIONAL CHINESE WELLNESS CLOCK Discover Shichen, the twelve two-hour periods of the traditional Chinese day. Explore the current period, its traditional meridian association, and a short everyday wellness note. Stand up and stretch, take a midday break, or wind down before bed. Adjust reminders and quiet hours to suit an early, late, or night-shift routine. Mark a suggestion complete, snooze the reminder, or skip it. These prompts are inspired by traditional Chinese culture. They are lifestyle references, not measurements of organ function or circadian rhythm. PONY GALLERY: MEET HORSES FROM AROUND THE WORLD Discover horse breeds from different countries and regions, and learn about their origins and distinguishing features. Choose your favorite cartoon pony as your companion on iPhone and Apple Watch, including supported watch face complications. BREATHE, PAUSE, REFLECT Take a guided breathing break. Write down how you feel and revisit your past check-ins. No perfect score to chase. Some days, resting is progress too. A LITTLE CARE, AT A GLANCE Check wellness references and Shichen information on iPhone and Apple Watch. Supported watch face complications can display your pony, recent HRV information, or the current time-period note. YOUR HEALTH DATA STAYS PERSONAL With your permission, PonyRelief reads relevant Apple Health records. Health data and core calculations are processed on your devices. No account is required. Available features depend on compatible devices, permissions, and health records. Some references require enough data to establish a personal baseline. HRV updates when new health records become available; it is not measured continuously in real time. Watch face refreshes and alerts depend on system scheduling, notification permissions, and Focus settings. Stress, body-status, and Body Age results are app-generated wellness references, not medical assessments. Body Age is an estimate, not a clinical measurement of biological age. Shichen and meridian content is cultural guidance, not an assessment of organ function. PonyRelief is not intended for disease diagnosis, medical monitoring, or treatment advice. If you feel persistently unwell or need to make a medical decision, consult a qualified healthcare professional. A little pony. A little pause. A little more ease.
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Verdict
The clearest difference is in-app purchases: PonyRelief at none against Sleepster's 5. PonyRelief also leads on update cadence (daily vs every 4 months) and device support (4 vs 2). On price, ads and iOS requirement 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. Sleepster sells 5 one-off in-app purchases. PonyRelief asks for nothing beyond the download.
Sleepster ships an update every 4 months, PonyRelief daily. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | Sleepster | PonyRelief |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (3 ratings) — better | — |
| Positive reviews | 87.9% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 25 MB | 157 MB |
| Age rating | 4+ | 4+ |
| Developer | Dean Andreakis | Feng Chen |
In-app purchases
Sleepster
- Generous Tip$0.99
- Rotate Multiple Backgrounds$0.99
- Multiple Sounds$0.99
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- Massive Tip$1.99
- Amazing Tip$4.99
PonyRelief
No in-app purchases









