# E维SaaS vs OFD阅读器

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.

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.

## The numbers

| Metric | E维SaaS | OFD阅读器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (8 ratings)](https://appshunter.io/ios/app/ofd/id6480045092/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Fortnightly |
| Monetization | — | Freemium |
| Size | 69 MB | 28 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Zhongdian Electronics System Technology Co., Ltd.](https://appshunter.io/developer/1164399831) | [鑫昕 马](https://appshunter.io/developer/1715187540) |

## What reviewers say

### E维SaaS

[App page](https://appshunter.io/ios/app/esaas/id1570622976)

**Features:** macOS Compatibility

**In-app purchases:** none


### OFD阅读器

[App page](https://appshunter.io/ios/app/ofd/id6480045092)

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.

**Highlights:** Open OFD and PDF documents, Convert OFD to PDF, Word, JPG, Read OFD files, Print OFD documents, Share OFD documents

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月会员 | $3.99 | per month |
| 年会员 | $9.99 | per year |
| 永久会员 | $14.99 | one-time |


## Frequently asked questions

### Is E维SaaS free?

E维SaaS is free to download, with no in-app purchases.

### Is OFD阅读器 free?

OFD阅读器 is free to download, with in-app purchases available.

### Do E维SaaS or OFD阅读器 have ads?

Neither E维SaaS nor OFD阅读器 shows ads.

### Which is updated more often, E维SaaS or OFD阅读器?

E维SaaS ships an update every 9 days, and OFD阅读器 fortnightly. Most recently, E维SaaS was updated on September 10, 2026 and OFD阅读器 on September 9, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*