先知 vs QuickCountdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
先知
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先知是一款集闹钟、日历、生日、纪念日、信用卡、排班、位置、单双号限行等日常生活提醒于一体的高规格提醒备忘工具。是您开启高质量自律生活，养成良好生活习惯的必备工具。 【日历】节假日、法定班休、农阳历一目了然。 【闹钟】操作方便，准时提醒。进入App语音播放今天天气、任务、子任务间隔提醒等 【睡眠】播报睡前提醒，播放睡前音乐（音量自动降低）助您快速入眠。 【报时】为您在工作生活之余，准确报时 【生日】生日总是记不住怎么办？一键记住她的生日了，再也不担心我的键盘了。 【备忘】备忘、记事本、喝水吃药、加班提醒、开会提醒、纪念日提醒。 【节日】精选国内外农历阳历节日，自定义提醒时间，一键记住美个美好的日子 【信用卡】信用卡还款提醒，合理利用多张信用卡，实现资金利用最大化 【核心功能】 闹钟、日历、万年历、生日提醒、节日提醒、世界时钟、倒计时、秒表、语音播报
QuickCountdown
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-1. Choose the countdown time -2. Click start to start the countdown -3. Background sound effects can be turned on and off -4. It is possible to quickly turn on and off the alarm clock after the countdown ends
Screenshots
Verdict
先知 and QuickCountdown are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
先知 ships an update monthly, QuickCountdown every 2 months. Both last shipped on October 10, 2026.
| Parameter | 先知 | QuickCountdown |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 140 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | 克建 户 | 单 安 |
In-app purchases
先知
No in-app purchases
QuickCountdown
No in-app purchases
