# iSOQI健康守护神 vs OFD阅读器

The clearest difference is in-app purchases: iSOQI健康守护神 at none against OFD阅读器's 3. OFD阅读器's advantage is update cadence (fortnightly vs every 4 months). On price, ads, device support and iOS requirement 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. iSOQI健康守护神 asks for nothing beyond the download.

iSOQI健康守护神 ships an update every 4 months, OFD阅读器 fortnightly. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | iSOQI健康守护神 | 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 4 months | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 21 MB | 28 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [美利国际集团](https://appshunter.io/developer/1063635829) | [鑫昕 马](https://appshunter.io/developer/1715187540) |

## What reviewers say

### iSOQI健康守护神

[App page](https://appshunter.io/ios/app/isoqi/id1100961543)

**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 iSOQI健康守护神 free?

iSOQI健康守护神 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 iSOQI健康守护神 or OFD阅读器 have ads?

Neither iSOQI健康守护神 nor OFD阅读器 shows ads.

### Which is updated more often, iSOQI健康守护神 or OFD阅读器?

iSOQI健康守护神 ships an update every 4 months, and OFD阅读器 fortnightly. Most recently, iSOQI健康守护神 was updated on October 4, 2026 and OFD阅读器 on October 12, 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.*