Comparison

iSmart Printer vs JITRAINNO

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

Head to head
About

iSmart Printer

Features
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1. 应用简介(App Description)​ iSmart Printer—— 你的口袋便携打印专家,专为 A4 喷墨打印机量身打造,让打印摆脱线缆束缚,随时随地开启高效输出体验。无论是商务办公中的合同、报表,还是学习场景里的课件、笔记,亦或是生活中的照片、日程表,只需打开 APP,简单几步即可完成打印,轻松解决你的即时打印需求。​ 我们深知便捷与高效的重要性,因此在功能设计上不断优化:支持无线 Wi-Fi 模式连接,无需复杂设置,打开 APP 即可自动搜索并匹配附近的 iSmart 兼容打印机;兼容多种文件格式,包括 PDF、Word、Excel、JPG、PNG 等,无需转换格式,直接上传即可打印;内置文件管理功能,可分类存储本地文件与打印历史,方便后续查找与再次打印;更有打印参数自定义选项,你可根据需求调整纸张类型、打印浓度、页面布局(单页 / 双页、横向 / 纵向),精准控制打印效果,兼顾清晰画质与墨水节省。​ 同时,APP 遵循苹果生态安全标准,保障文件传输与存储安全,避免隐私泄露风险。界面设计简洁直观,无论是职场人士、学生还是家庭用户,都能快速上手,无需学习成本。从此,告别传统打印的繁琐步骤,让 A4 打印变得更智能、更轻松 ——iSmart Printer,让每一次打印都恰到好处。​ 2. 核心功能(Key Features)​ 【无线极速连接】:Wi-Fi 连接模式,自动搜索匹配打印机,10 秒完成连接,告别线缆缠绕;​ 【多格式兼容】:支持 PDF、Word、Excel、TXT、JPG、PNG 等主流文件格式,直接上传打印,无需格式转换;​ 【自定义打印参数】:可调节纸张类型(普通纸 / 照片纸)、打印浓度、页面方向与布局,满足不同场景需求;​ 【智能文件管理】:分类存储本地文件、打印历史,支持关键词搜索,快速找到目标文件;​ 【安全隐私保护】:遵循苹果生态安全规范,文件传输与存储加密,防止隐私泄露;​ 【简洁易操作】:极简界面设计,清晰功能分区,老人、学生均可轻松上手。​ 3. 开发者寄语​ 在移动办公与智慧生活日益普及的今天,我们发现 “即时打印” 仍是许多人面临的痛点 —— 传统打印机需连接电脑、设置复杂,无法满足随时随地的打印需求。为此,我们打造了 iSmart Printer,希望通过 “简单、高效、智能” 的体验,让 A4 喷墨打印摆脱场景限制,成为你口袋里的 “打印助手”。​ 我们会持续收集用户反馈,不断优化 APP 功能与稳定性,未来还将新增云文件打印、打印模板库(如简历、贺卡、学习计划表)等功能,为你提供更丰富的打印体验。如果在使用过程中有任何问题或建议,欢迎通过 APP 内 “反馈” 通道与我们联系,你的支持是我们前进的最大动力!

About

JITRAINNO

Features
Read full description

JITRAINNO – AI Color E-Paper Frame Transform your space with JITRAINNO, the AI-driven color e-paper frame that brings art and memories to life. Designed for low power consumption and a paper-like viewing experience, it’s perfect for displaying photos, AI-generated artwork, or curated galleries. Key Features Paper-like Display: Elegant color e-paper technology, closer to traditional art than a glowing screen. Ultra-Low Power: Efficient performance for long-lasting use without frequent charging. AI-Enhanced Experience: Generate beautiful artworks or customize your gallery effortlessly. Remote Curation: Update, schedule, and share exhibits from anywhere. Personal & Shared Galleries: Ideal for home décor, workspaces, or meaningful gifts. JITRAINNO redefines digital art display — combining elegance with intuitive technology. Developed by HONG KONG JITRAINNO TECHNOLOGY CO., LIMITED.

Screenshots

iSmart Printer4 screens
JITRAINNO4 screens

Verdict

The call

The clearest difference is iOS requirement: iSmart Printer at 12 against JITRAINNO's 15.6. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

iSmart Printer ships an update every 2 weeks, JITRAINNO every 10 days. The most recent releases landed on October 5, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 5 level
iSmart Printer versus JITRAINNO: the parameters behind the verdict, then further details
ParameteriSmart PrinterJITRAINNO
PriceFreeFree
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS12 — better15.6
Further details — not scored
Size107 MB54 MB
Age rating4+4+
Developer俊柯 张HONG KONG JTRONVISION TECHNOLOGY CO., LIMITED

In-app purchases

None

iSmart Printer

No in-app purchases

None

JITRAINNO

No in-app purchases

Questions

Is iSmart Printer free?
iSmart Printer is free to download, with no in-app purchases.
Is JITRAINNO free?
JITRAINNO is free to download, with no in-app purchases.
Do iSmart Printer or JITRAINNO have ads?
Neither iSmart Printer nor JITRAINNO shows ads.
Which is updated more often, iSmart Printer or JITRAINNO?
iSmart Printer ships an update every 2 weeks, and JITRAINNO every 10 days. Most recently, iSmart Printer was updated on October 5, 2026 and JITRAINNO on October 11, 2026.

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