Comparison

壹印 vs Device Lab

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

Head to head
About

壹印

Features
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壹印是一款由摄影爱好者打造的图片水印工具。我们相信,好的工具不该喧宾夺主,而应足够简单、自由且高效,让每一张照片都能呈现属于你的风格。 【批量处理,一键完成】 无需重复操作,一次即可批量输出多张图片,不限张数,让创作更高效。 【自由定制,不设限制】 从字体、颜色、大小到水印内容,均可自由调整。告别固定模板,你的图片,由你定义。 【界面简洁,纯净无广】 去除多余功能与广告干扰,把更干净、更流畅的使用体验留给每一次创作。 不只是添加水印,更是为作品留下信息、风格与记忆。 使用壹印,让水印自然成为照片的一部分。 官方网站:watermark.yiyin.org.cn 小红书:@YiYin_Watermark 抖音:@YiYin_Watermark BiliBili:@壹印 公众号:@壹印

About

Device Lab

This app provides detailed information about your device's hardware and chips. It offers system monitoring, parameter organization, chip and device comparisons, and useful tools to help you understand and manage your devices more effectively. All core functions run locally without requiring login.

Highlights
  • Hardware status monitoring
  • Chip and device parameter organization
  • Chip and device comparison
  • System information viewer
  • Performance reference and testing tools
  • Local-first operation
  • Ad-free and push-free experience
Features
Read full description

Device Lab 是一款围绕设备与芯片信息构建的本地化资料与工具 App,包含硬件状态监控、参数整理、芯片与设备对比、系统信息查看与实用工具,帮助你更系统、更直观地理解和管理你所使用的设备。 核心板块 • 概览:集中展示当前设备的关键信息与运行状态,如发热状态、CPU占用、内存占用、当前网速信息等,重要数据一目了然,支持通过桌面小组件或画中画查看,让监控信息随时可见。 • 芯片:系统化整理各代芯片的核心规格与技术参数,支持同系列、跨代际对比,直观呈现架构差异与升级重点。 • 设备:收录不同设备的硬件配置与技术参数,清晰展示不同型号之间的差异,方便在选购、对比或查阅时快速获得可靠信息。 • 工具:汇总与设备和芯片相关的性能参考与测试工具,包括性能排行榜、基准测试结果整理及测试工具索引,用于从数据角度理解不同芯片与设备的性能表现,帮助你在对比与分析时获得更直观的参考依据。 隐私与原则 • 本地优先:App 核心功能完全在设备本地运行,无需登录即可使用。 • iCloud 同步:仅用于在你的设备之间同步数据,不收集、不分析任何个人信息,默认不开启。 • 体验优先:无广告、无推送、无后台唤醒,界面简约设计,信息结构清晰,专注于内容本身。 • 轻量设计:安装包体积小,不占用额外系统资源。 Device Lab,让复杂的硬件参数,从此一目了然。

Screenshots

壹印4 screens
Device Lab4 screens

Verdict

The call

The clearest difference is price: 壹印 at Free against Device Lab's $3.99. 壹印 also leads on iOS requirement (15.0 vs 17.0). Device Lab's advantage is in-app purchases (none vs 7) and update cadence (every 2 days vs every 2 weeks). On 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

CostPrice · In-app purchases · Ads · Monetization

壹印 is free to download; Device Lab costs $3.99 up front. 壹印 sells 7 one-off in-app purchases. Device Lab asks for nothing beyond the download.

UpkeepUpdate frequency

壹印 ships an update every 2 weeks, Device Lab every 2 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
壹印 versus Device Lab: the parameters behind the verdict, then further details
Parameter壹印Device Lab
PriceFree — better$3.99
Rating—5.0 (24 ratings) — better
Positive reviews—95.1% of reviews
Number of ratings—24 — better
Update frequencyEvery 2 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, Apple Watch
Requires iOS15.0 — better17.0
Further details — not scored
Size68 MB33 MB
Age rating4+4+
Developer悦波 卢广聪 钟

In-app purchases

7 purchases

壹印

One-time7
  • 月度会员$0.99
  • 月度会员$1.99
  • 季度会员$1.99
Show 4 more
  • 季度会员$3.99
  • 年度会员$8.99
  • 年度会员$14.99
  • 永久会员$19.99
None

Device Lab

No in-app purchases

Questions

Is 壹印 free?
壹印 is free to download, with in-app purchases available.
Is Device Lab free?
Device Lab costs $3.99, with no in-app purchases.
Do 壹印 or Device Lab have ads?
Neither 壹印 nor Device Lab shows ads.
Which is updated more often, 壹印 or Device Lab?
壹印 ships an update every 2 weeks, and Device Lab every 2 days. Most recently, 壹印 was updated on October 25, 2026 and Device Lab on October 28, 2026.

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