E维SaaS vs OFD阅读器
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
E维SaaS
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E维物联，打造物联智能场景。 E维物联是一款基于物联和非物联设备的集成应用云平台。针对生活及工作各中物联设备的应用场景，提供一站式服务，从设备资产管理，配件管理，到设备监控联动，最后到智慧场景的SaaS应用。包括期间的设备维修、巡检、保养、更换、报废，完成对设备资产的全生命周期管理。 ---智慧运维---- 对设备的生命周期进行信息化管理，减少企业设备维保人力投入、提高响应速度，提高服务质量。
OFD阅读器
This tool allows you to open and convert OFD and PDF documents. It supports converting OFD files to PDF, Word, or JPG images, as well as reading, printing, and sharing OFD documents.
- Open OFD and PDF documents
- Convert OFD to PDF, Word, JPG
- Read OFD files
- Print OFD documents
- Share OFD documents
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OFD阅读器是一款专业的公务OFD发票文档浏览转换工具。 支持OFD及PDF文档打开； 支持将OFD格式文档转换成PDF/Word/JPG图片等； 支持OFD阅读； 支持OFD打印以及分享。 会员订阅： 订阅价格为每年68元、每月28元 订阅会自动续订，除非在当前期间结束前至少24小时关闭自动续订；帐户将在当前期间结束前24小时内收取续订费用，并确定续订费用 订阅可以由用户管理，并且可以在购买后转到用户的AppStore帐户设置来关闭自动续订 隐私条款：https://blog.csdn.net/2401_82596890/article/details/137870648 使用条款：https://blog.csdn.net/2401_82596890/article/details/137870701
Screenshots
Verdict
The clearest difference is in-app purchases: E维SaaS at none against OFD阅读器's 3. 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. OFD阅读器 sells 3 in-app purchases, starting at $3.99 per month. E维SaaS asks for nothing beyond the download.
E维SaaS ships an update every 9 days, OFD阅读器 fortnightly. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.
| Parameter | E维SaaS | OFD阅读器 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (8 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 8 — better |
| Update frequency | Every 9 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 69 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | Shanghai Zhongdian Electronics System Technology Co., Ltd. | 鑫昕 马 |
In-app purchases
E维SaaS
No in-app purchases
OFD阅读器
- 月会员$3.991 Month
- 年会员$9.991 Year
- 永久会员$14.99
