Comparison

e睡眠 vs Void

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

Head to head
About

e睡眠

Features
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【总体介绍】“e睡眠”是一款主打睡眠与健康的手机应用,可以帮助用户改善睡眠质量、了解自己在睡眠过程中出现的健康状况。 【四大功能】e睡眠app四大核心功能——智能助眠、健康监测、自动唤醒和醒后调整。 e睡眠app搭配多维健康监测垫,可实现智能助眠和健康监测: 【智能助眠】 根据多维健康监测垫实时反馈的睡眠及生理状态,e睡眠智能生成含脑波音频、白噪音、冥想引导语等在内的助眠方案,并根据助眠效果智能调整助眠方案,在用户醒时自动开启,入睡后智能停止,诱导用户快速进入睡眠状态,拥有高质量睡眠。 【健康监测】 e睡眠会在用户整个睡眠过程中进行睡眠与健康状况的实时监测,提供实时心率、血氧、体动等数据,评估睡眠阶段,量化睡眠质量与睡眠数据,并在睡眠结束后生成睡眠与健康分析报告,数据与报告自动上传云端,支持远程查看与推送。 心率: 夜间动态心率监测,记录心率异常发生次数、时间及时长。 血氧: 睡眠过程中持续监测血氧饱和度,捕捉夜间血氧偏低的情况,记录发生次数、时间及的低谷时段,为睡眠呼吸健康与日常健康管理提供参考。 体动: 实时了解用户睡眠期间的体动状态,对于体动频繁等异常情况进行记录。 睡眠: 基于实时监测数据评估睡眠阶段,量化睡眠时长与睡眠质量,睡眠结束后自动生成睡眠与健康分析报告。 除了多维健康监测垫,e睡眠app还可以搭配腕带式自主神经传感器和脑电传感器进行使用,拓展更多功能,改善用户睡眠质量,提升健康水平。 e睡眠app可根据用户设置的起床时间,在睡眠结束时慢慢将用户唤醒。 【e睡眠app搭配HiFi舒眠枕】e睡眠app定制高品质扬声单元,呈现e睡眠特殊频段的专业脑波音频,可实现助眠脑波音频如耳语般环绕,舒适享受助眠效果。 【e睡眠app-睡眠检测】在e睡眠中,用户可快速便捷地进行睡眠检测,获得可视化个人睡眠图文报告,根据报告结果,用户在使用“夜间睡眠”功能时能获得更具针对性的助眠解决方案。

About

Void

Features
Read full description

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

e睡眠4 screens
Void3 screens

Verdict

The call

The clearest difference is in-app purchases: e睡眠 at none against Void's 1. e睡眠 also leads on iOS requirement (13.0 vs 15.0). Void's advantage is update cadence (every 2 days vs every 3 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Void sells 1 one-off in-app purchase. e睡眠 asks for nothing beyond the download.

UpkeepUpdate frequency

e睡眠 ships an update every 3 months, Void every 2 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

Scorecard3 real differences · 3 level
e睡眠 versus Void: the parameters behind the verdict, then further details
Parametere睡眠Void
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size147 MB5 MB
Age rating17+4+
DeveloperShanghai Huicheng Science and Education Equipment Co., Ltd烜兆 林

In-app purchases

None

e睡眠

No in-app purchases

1 purchases

Void

One-time1
  • Forever Unlock$0.99

Questions

Is e睡眠 free?
e睡眠 is free to download, with no in-app purchases.
Is Void free?
Void is free to download, with in-app purchases available.
Do e睡眠 or Void have ads?
Neither e睡眠 nor Void shows ads.
Which is updated more often, e睡眠 or Void?
e睡眠 ships an update every 3 months, and Void every 2 days. Most recently, e睡眠 was updated on November 3, 2026 and Void on November 8, 2026.

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