TimeMeter vs R90 Sleepytime
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TimeMeter
This app offers a unique way to visualize time progression with a retro CRT monitor aesthetic. It displays daily, weekly, monthly, and yearly progress with elegant animations and customizable widget layouts. Designed for time management enthusiasts and fans of vintage design.
- Time progress visualization
- Retro CRT display style
- Customizable widget order
- Elegant animation effects
- Dark mode support
- Multiple widget sizes
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TimeMeter 是一款独特的时间进度展示工具，采用复古 CRT 显示器风格设计，为您优雅地呈现时间流逝。 主要特点： • 精确展示今日、本周、本月、本年的时间进度 • 独特的复古 CRT 显示效果，带来视觉享受 • 支持自定义小组件显示顺序 • 优雅的动画过渡效果 • 精心设计的进度条动画 • 深色模式专属设计 小组件功能： • 支持多种尺寸的小组件 • 可自定义显示顺序 • 实时更新进度 • 优雅的视觉效果 无论您是时间管理爱好者，还是喜欢复古设计的用户，TimeMeter 都能为您带来独特的时间体验。让时间的流逝不再单调，而是充满视觉美感。
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.
- Sleep cycle calculation
- Optimal wake time suggestions
- Soothing sleep music
- Guided meditation
- Anxiety relief
- Relaxation techniques
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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
Verdict
The clearest difference is review sentiment: R90 Sleepytime at 100% against TimeMeter's 0%. R90 Sleepytime also leads on update cadence (every 4 days vs every 13 months). TimeMeter's advantage is price (Free vs $0.99). On ads, in-app purchases, monetization model 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
TimeMeter is free to download; R90 Sleepytime costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
TimeMeter ships an update every 13 months, R90 Sleepytime every 4 days. The most recent releases landed on October 26, 2026 and October 28, 2026 respectively.
| Parameter | TimeMeter | R90 Sleepytime |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 — better | — |
| Update frequency | Every 13 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17 | 17.0 |
| Further details — not scored | ||
| Size | 1 MB | 72 MB |
| Age rating | 4+ | 4+ |
| Developer | 坤 倪 | 志加 徐 |
Customer experience
TimeMeter
R90 Sleepytime
In-app purchases
TimeMeter
No in-app purchases
R90 Sleepytime
No in-app purchases
