Comparison

BestTimer vs R90 Sleepytime

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

Head to head
About

BestTimer

Features
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BestTimer 悬浮时钟 准时抢购与高效计时利器 BestTimer 是一款专为追求极致准时和桌面美学的用户打造的悬浮计时工具。无论您是需要在零点抢购限量商品,还是在学习时需要一个不干扰视线的番茄钟,BestTimer 都能为您提供精确到毫秒的视觉引导。 核心功能介绍 毫秒级悬浮时钟 支持在任意应用上方开启悬浮窗。内置高精度时间同步技术,显示毫秒级动态时间,是您参与整点秒杀和限时抢购的得力助手。 多样化桌面小组件 提供多种风格设计的桌面组件。从极简数字到复古翻页,从灵动岛显示到全屏大时钟,满足您对手机桌面美化的所有想象。 专注计时与番茄钟 内置科学的番茄工作法计时器。通过悬浮窗形式提醒剩余时间,让您在处理多任务的同时,依然能够保持对时间的敏锐感知。 高度自定义体验 您可以自由调节悬浮窗的透明度,尺寸,颜色以及字体样式。轻量化的设计不占用系统资源,流畅且不遮挡操作。 适用场景 1 抢购助手 实时同步服务器时间,助力秒杀心仪商品。 2 学习办公 悬浮在文档或课件上方,实时掌握任务进度。 3 运动健身 运动时悬浮显示计时,无需频繁解锁手机。 4 摄影辅助 为照片或视频录制提供精准的时间戳参考。 BestTimer 致力于让每一秒都清晰可见。立即下载,开启您的精准时间管理之旅。

About

R90 Sleepytime

This app calculates optimal sleep and wake times based on scientific sleep cycles. It also offers guided meditations and soothing sounds to help you relax and fall asleep faster.

Highlights
  • Sleep cycle calculation
  • Optimal wake time suggestions
  • Soothing sleep music
  • Guided meditation
  • Anxiety relief
  • Relaxation techniques
Features
Read full description

R90Sleepytime:科学计算睡眠周期、助眠音乐放松、冥想安抚焦虑,一套完整睡眠解决方案 R90睡眠周期计算器: - 熬夜后担心起床没精力?R90睡眠法告诉你最佳起床时间。 - 明早必须7点起床?立刻算出今晚该几点睡才能满血复活。 - 睡多久都累?用R90睡眠法找到你的完美睡眠公式。 - 学霸的秘密:用R90睡眠法把闹钟变成“精力开关”,醒来就是满格状态 助眠: - 脑子静不下来?沉浸助眠音乐,快速切换至入睡状态 - 思绪纷杂无法入睡?听听助眠音乐。海浪/初春小雨/脑波/冥想/安静时光,伴随着放松的音乐安然入睡 冥想词: - 当你失眠时,可以尝试简单冥想。通过反复诵念冥想词,身心就会自动进入放松模式

Screenshots

BestTimer4 screens
R90 Sleepytime4 screens

Verdict

The call

The clearest difference is update cadence: R90 Sleepytime at every 4 days against BestTimer's every 6 months. BestTimer's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases 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

BestTimer costs $0.99 and R90 Sleepytime $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BestTimer ships an update every 6 months, R90 Sleepytime every 4 days. The most recent releases landed on October 13, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 5 level
BestTimer versus R90 Sleepytime: the parameters behind the verdict, then further details
ParameterBestTimerR90 Sleepytime
Price$0.99$0.99
Positive reviews—100.0% of reviews
Update frequencyEvery 6 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size2 MB72 MB
Age rating4+4+
Developer珍珍 张志加 徐

In-app purchases

None

BestTimer

No in-app purchases

None

R90 Sleepytime

No in-app purchases

Questions

Is BestTimer free?
BestTimer costs $0.99, with no in-app purchases.
Is R90 Sleepytime free?
R90 Sleepytime costs $0.99, with no in-app purchases.
Do BestTimer or R90 Sleepytime have ads?
Neither BestTimer nor R90 Sleepytime shows ads.
Which is updated more often, BestTimer or R90 Sleepytime?
BestTimer ships an update every 6 months, and R90 Sleepytime every 4 days. Most recently, BestTimer was updated on October 13, 2026 and R90 Sleepytime on October 28, 2026.

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