Comparison

Vellum vs DayTag

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

Head to head
About

Vellum

Features
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Vellum Journal is a calm, focused space for capturing thoughts, notes, and everyday moments. Write without distraction and organize your entries into topics. Use tags, notes, and Markdown to give your ideas structure while keeping everything easy to find. CORE FEATURES • Create entries and organize them into topics • Add tags and notes • Write with Markdown • Search your library • Export your content • Keep your library on your device by default VELLUM PRO Vellum Pro is available as a one-time in-app purchase and adds: • Cross-device library sync through your private iCloud database • Notion workspace integration and export A separate Vellum account is not required. Sync starts only after you enable it on a device signed in to iCloud. Content is sent to Notion only when you choose to export it to your connected workspace.

About

DayTag

This app offers a minimalist approach to tracking daily habits and activities. It focuses on quick, one-tap logging with no ads or cloud syncing, prioritizing user privacy and a clean interface. Visualize your progress with detailed trend analysis and heatmaps.

Highlights
  • 0.5-second quick logging
  • Calendar dot matrix view
  • Frequency trend analysis
  • 365-day heatmap
  • Local privacy and security
  • Apple Watch companion app
  • iOS liquid glass aesthetic
Features
Read full description

生活不该被繁琐的表单与多余的社交打扰。 DayTag 是一款专为「极简主义者」打造的日常打标与习惯追踪应用。 没有冗长的字段,没有恼人的广告推送,更没有把你的隐私上传至云端服务器的担忧。抬手轻触 0.5 秒,即可完成一次纯粹的生活归档。 【核心功能亮点】 ◆ 0.5 秒极速记录 单手即达,点按即标。运动、阅读、补水、冥想或工作专注……在任何心流时刻,用最轻的交互完成记录,绝不打扰你的专注状态。 ◆ 全景趋势与热力透视 - 日历点阵:当月出勤一览无余,支持主色调或数量热力呈现; - 频次走势:灵活切换 7天 / 1个月 / 3个月 / 6个月 / 今年 / 全年跨度,把握长短期节奏; - 全年热力图:类似代码提交风格的 365 天点阵,生动复盘一整年的坚持。 ◆ 真实习惯规律沉淀 告别虚假的样例!DayTag 根据你的真实出勤数据,动态计算连续坚持天数(Streak)、本周出勤完成度,并提炼近 30 天的高频微习惯,助你稳步达成生活目标。 ◆ 100% 纯本地隐私安全 你的日常轨迹完全属于你自己。所有打标记录仅保存在你设备的本地安全沙盒中,零第三方 SDK、零网络上传、零用户画像追踪。 ◆ Apple Watch 腕上同行 配套极简 Watch 记录界面。抬腕轻触,灵动触感反馈即刻确认,无需掏出手机,生活节奏随时捕捉。 ◆ iOS 26 液态玻璃美学 深度适配深色/浅色模式,悬浮药丸卡片与流动光泽,带来沉浸、赏心悦目的视觉体验。 --- 如果你也追求轻盈、纯粹且尊重隐私的记录工具,欢迎体验 DayTag。 如有任何反馈与建议,欢迎访问我们的支持页面或联系开发者:chenpeng.me@hotmail.com

Screenshots

Vellum4 screens
DayTag4 screens

Verdict

The call

The clearest difference is in-app purchases: DayTag at none against Vellum's 1. On price, ads, device support and iOS requirement 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. Vellum sells 1 one-off in-app purchase. DayTag asks for nothing beyond the download.

Scorecard1 real difference · 7 level
Vellum versus DayTag: the parameters behind the verdict, then further details
ParameterVellumDayTag
PriceFreeFree
Positive reviews—100.0% of reviews
Update frequencyWeekly—
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, Apple Watch — better
Requires iOS18.618.6
Further details — not scored
Size44 MB3 MB
Age rating4+4+
Developer四扬 叶鹏 陈

In-app purchases

1 purchases

Vellum

One-time1
  • Vellum pro lifetime$2.99
None

DayTag

No in-app purchases

Questions

Is Vellum free?
Vellum is free to download, with in-app purchases available.
Is DayTag free?
DayTag is free to download, with no in-app purchases.
Do Vellum or DayTag have ads?
Neither Vellum nor DayTag shows ads.

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