一撇 vs Date Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
一撇
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一撇是一款专注于灵感收集与备忘的效率应用。它的核心理念是“先暂存,再处理”,为你提供一个无压力的记录空间,帮你快速记下转瞬即逝的念头和待办事项。 核心功能: * 图文随心记:沉浸式的输入体验,支持文字与多图混排,内置拖拽删除交互。 * 语音速记:不方便打字时,长按即可录制语音,并支持将语音内容转换为文字。 * 手写画板:内置简单易用的画板,随时随地用画笔涂鸦留痕。 * 智能时间识别:当你在备忘录中写下时间(如“明天下午三点开会”),系统会自动识别并为你创建定时提醒。 * 待处理清单:专门收纳尚未处理的想法与任务,支持通过桌面快捷指令(Quick Action)一键直达。 实用工具箱: 除了记录,一撇的侧边栏还内置了若干实用的小工具: * 摩斯信使:一个有趣的摩斯电码收发工具,支持通过闪光灯、屏幕光、震动和声音发送电码,并独家支持中文解析。 * 时间窗:极简的倒计时工具,助你保持专注。 * 照片整理:帮你快速浏览并清理手机中多余的照片。 万物皆可暂存,生活就此留痕。用「一撇」,让记录回归简单与纯粹。
Date Calculator
Easily calculate the duration between two dates, with options for minute-level precision. Customize themes and languages for a personalized experience. Enjoy local calculations without needing an account.
- Calculate days between dates
- Optional time selection for minute precision
- Clean, native iOS design
- Theme and language settings
- Local calculation without account
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DateMath helps you quickly calculate the time between two dates. Choose a start date and an end date to see the number of days between them. When you need more precision, turn on Show Time to select hours and minutes and view the interval as days, hours, and minutes. Key Features: • Calculate days between two dates • Optional time selection for minute-level results • Clean, native iOS design • Theme and language settings • Local calculation without an account Premium access unlocks unlimited calculations, continued updates, and an ad-free experience. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: 一撇 at none against Date Calculator's 4. On price, update cadence, 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. Date Calculator sells 4 in-app purchases, starting at $3.99 per 7 days. 一撇 asks for nothing beyond the download.
一撇 ships an update fortnightly, Date Calculator every 9 days. The most recent releases landed on October 28, 2026 and November 10, 2026 respectively.
| Parameter | 一撇 | Date Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Fortnightly | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 18.6 | 17.3 — better |
| Further details — not scored | ||
| Size | 43 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 羽 郑 | 亦彬 潘 |
In-app purchases
一撇
No in-app purchases
Date Calculator
- Weekly Subscription3 Days trial$3.997 Days
- Monthly Subscription$4.991 Month
- Yearly Subscription$19.991 Year
- Lifetime Premium$29.99









