Comparison

SelfSpell vs 瞬息睡眠

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SelfSpell

Features
Read full description

Reshape Your Mind with Voice, Let Change Happen Naturally SelfSpell is an innovative self-affirmation training app that helps you build healthy thought patterns and break negative habits through recording and repeatedly playing positive self-talk. Core Features Record Your Spells Record affirmations in your own voice for better subconscious acceptance. Free recording - say whatever you need to hear. AI-Powered Generation Not sure what to say? AI generates personalized affirmations for you. Just enter your goal and get 20 professional self-affirmation statements. Scientific Repetition Training Three playback modes: once, infinite loop, or count-based loop. Adjustable playback speed for efficient training. Visual Progress Tracking Dynamic energy halo reflects your training status in real-time. Calendar heatmap records daily check-ins. Streak counter motivates consistency. Privacy Playback Mode Defaults to earpiece playback for privacy. Switch to speaker or use headphones as needed. Beautiful Interface Design Day/night/auto theme modes. Smooth animations make training enjoyable. Why Choose SelfSpell? • Based on neuroscience: Repetition is the most effective way to change your brain • Your own voice: More influential on the subconscious than reading text • Fully local: Recordings stored on device, privacy protected • No account needed: Download and use immediately • Multi-language: Chinese, English, Japanese Who Is It For? • People wanting to build positive thinking patterns • Those breaking bad habits • Anyone needing self-motivation • Personal growth seekers • Those improving mental well-being Subscription • Free: Use your own API key to generate spells • Subscription: Yearly plan available, no setup required, 20 spells per generation Start your transformation journey. Make positive thinking a habit. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

瞬息睡眠

Features
Read full description

Breathe out the noise and come back to yourself with Stillnest. Whether you want to sleep more deeply, calm anxiety, build a daily meditation habit, or simply pause for three mindful minutes, Stillnest gives you practical tools that fit real life. Start with guided meditations for stress relief, sleep, focus, emotional balance, and morning calm. Use simple breathwork sessions to settle your mind before a meeting, lower tension after a difficult day, or ease into rest at night. Explore sleep stories, soothing soundscapes, and white noise designed to help you unwind, fall asleep faster, and wake up clearer. Stillnest is built for beginners, but it grows with you. Choose sessions by goal, mood, and duration, from quick resets to longer mindfulness practices. Create gentle routines, save your favorite programs, and return to the content that helps you feel grounded. If you want a calmer day, better sleep, less stress, or a stronger mindfulness habit, Stillnest makes it easier to begin and easier to continue. Inside the app, you can: · meditate for sleep, focus, anxiety relief, and relaxation · practice guided breathing exercises and calming breathwork · listen to sleep sounds, white noise, and bedtime audio · build a simple daily mindfulness routine · track your progress and keep your streak without pressure Why people choose Stillnest: · Built for real life, not perfect routines · Supports the most common use cases: stress, sleep, focus, and emotional reset · Friendly for beginners, but deep enough for long-term practice · Clear, gentle design that helps you stay consistent without overwhelm · You do not need experience to start. Just press play, follow your breath, and give yourself a quiet place to land. Breath Harbor helps you make meditation, sleep support, and mental wellness part of your everyday rhythm. Subscribe to unlock the full library, structured programs, offline downloads, personalized plans, and advanced progress features. The free tier remains useful with core tools and a curated sample library. Terms of Use: https://loveappdevone.github.io/devsite/fuwu.html Privacy Policy: https://loveappdevone.github.io/devsite/privacy.html

Screenshots

SelfSpell4 screens
瞬息睡眠4 screens

Verdict

The call

The clearest difference is update cadence: SelfSpell at every 8 days against 瞬息睡眠's every 4 weeks. On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SelfSpell sells 1 in-app purchase, starting at $9.99 per year and 瞬息睡眠 sells 2 in-app purchases, starting at $10.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SelfSpell ships an update every 8 days, 瞬息睡眠 every 4 weeks. Both last shipped on October 31, 2026.

Scorecard1 real difference · 5 level
SelfSpell versus 瞬息睡眠: the parameters behind the verdict, then further details
ParameterSelfSpell瞬息睡眠
PriceFreeFree
Update frequencyEvery 8 days — betterEvery 4 weeks
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size6 MB144 MB
Age rating4+4+
Developer泳城 李玥 邓

In-app purchases

1 purchases

SelfSpell

Subscriptions1
  • SelfSpell Yearly$9.991 Year
2 purchases

瞬息睡眠

Subscriptions2
  • Stillnest Monthly$10.991 Month
  • Stillnest Annual14 Days trial$59.991 Year

Questions

Is SelfSpell free?
SelfSpell is free to download, with in-app purchases available.
Is 瞬息睡眠 free?
瞬息睡眠 is free to download, with in-app purchases available.
Do SelfSpell or 瞬息睡眠 have ads?
Neither SelfSpell nor 瞬息睡眠 shows ads.
Which is updated more often, SelfSpell or 瞬息睡眠?
SelfSpell ships an update every 8 days, and 瞬息睡眠 every 4 weeks. Most recently, SelfSpell was updated on October 31, 2026 and 瞬息睡眠 on October 31, 2026.

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