失眠E療 vs Void
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
失眠E療
This app offers an online platform based on cognitive behavioral therapy for insomnia (CBT-I). It provides six courses covering sleep knowledge, behavioral strategies, sleep hygiene, and cognitive therapy, along with tools like sleep diaries to help users manage and improve their sleep.
- Cognitive Behavioral Therapy for Insomnia (CBT-I)
- Six structured courses on sleep management
- Sleep diary tool
- Relaxation training exercises
- Knowledge and techniques for insomnia
- Relapse prevention strategies
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此應用程式是根據失眠認知行為治療的課程為用戶提供一個線上的平台學習如何處理自己的失眠問題。應用程式的內容主要包括了六個課程，分別為 1. 課程介紹 2. 認識睡眠 3. 行為策略 4. 睡眠衛生習慣 5. 認知療法 6. 課程回顧及預防復發 通過這六個子課程提供一些正確的處理失眠的知識和技巧，並包含一些小工具(例如:睡眠日記，放鬆訓練) 幫助失眠人仕有效處理睡眠問題，改善睡眠。
Void
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Void - Premium White Noise, Pure Listening Experience Seeking tranquility in a noisy world? Void offers 200+ high-quality white noises and ambient sounds to help you sleep, focus, or simply relax. A lightweight app (~5MB+) packed with powerful features for on-the-go audio therapy. 【Rich Sound Library】 200+ curated high-quality white noises and ambient sounds 11 designed categories: Nature, Rain, Animals, Traffic, Baby, ASMR, Human, Meditation, Urban, Instruments, Colored Noise Multiple sounds per category for diverse scenarios 【Powerful Features】 Timer: 15min/30min/1hr/custom duration for worry-free sleep Lock Screen Controls: Manage playback & view remaining time even when locked Favorites: One-tap saving for quick access to preferred sounds iCloud Sync: Seamless multi-device favorite list synchronization Clean UI: Intuitive, user-friendly interface 【Technical Advantages】 Apple ODR technology for compact size (~5MB+) Optimized background playback stability Low battery consumption for extended use 【Use Cases】 Sleep Aid: Nature/rain/colored noises for faster sleep Work Focus: Block distractions to boost productivity Meditation: Immersive sounds for stress relief Baby Soothing: Specially designed infant white noise Study: Create ideal learning ambiance 【Simple Pricing】 Free trial of core features One-time affordable payment for permanent access (no subscriptions) 【Future Updates】 Ongoing high-quality audio additions Upcoming sound mixing feature for custom combinations Continuous improvements based on user feedback Download Void - Let 200+ premium sounds create your personal oasis of calm. Contact: linxuanzhao9527@gmail.com
Screenshots
Verdict
The clearest difference is in-app purchases: 失眠E療 at none against Void's 1. 失眠E療 also leads on iOS requirement (11.0 vs 15.0). Void's advantage is update cadence (every 2 days vs every 15 months). On price, ads 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
Both are free to download. Void sells 1 one-off in-app purchase. 失眠E療 asks for nothing beyond the download.
失眠E療 ships an update every 15 months, Void every 2 days. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.
| Parameter | 失眠E療 | Void |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| Update frequency | Every 15 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | The University of Hong Kong | 烜兆 林 |
In-app purchases
失眠E療
No in-app purchases
Void
- Forever Unlock$0.99
