# OFD转换器 vs 秘塔AI搜索

The clearest difference is review sentiment: 秘塔AI搜索 at 59% against OFD转换器's 0%. 秘塔AI搜索 also leads on rating (3.8 vs 1.0) and ratings volume (30 vs 1). OFD转换器's advantage is in-app purchases (none vs 16) and iOS requirement (12.1 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. 秘塔AI搜索 sells 13 one-off in-app purchases. OFD转换器 asks for nothing beyond the download.

秘塔AI搜索 holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: 秘塔AI搜索 has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of OFD转换器's written reviews are positive against 59% of 秘塔AI搜索's.

## The numbers

| Metric | OFD转换器 | 秘塔AI搜索 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/ofd-ofd/id1558631087/reviews) | **[3.8 (30 ratings)](https://appshunter.io/ios/app/ai/id6478196963/reviews)** |
| Number of ratings | 1 | **30** |
| Positive reviews | 0.0% of reviews | **59.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 112 MB |
| Requires iOS | **12.1** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Beijing Pengtuzhumeng Technology Co., Ltd.](https://appshunter.io/developer/1446207022) | [上海秘塔网络科技有限公司](https://appshunter.io/developer/1540052473) |

## What reviewers say

### OFD转换器

[App page](https://appshunter.io/ios/app/ofd-ofd/id1558631087)

This tool efficiently converts OFD documents into JPG images. It is a compact and high-performance application designed for personal use to view electronic documents.

**Highlights:** OFD document browsing, OFD to JPG conversion, Compact application size, High performance, Ad-free experience

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### 秘塔AI搜索

[App page](https://appshunter.io/ios/app/ai/id6478196963)

This AI-powered search engine offers a clean, ad-free interface for finding information across the web, documents, and academic papers. It provides structured answers with citations, generates outlines and tables, and supports exporting results in various formats.

**Highlights:** Ad-free, pure search interface, Structured answers with citations, Automatic outline and table generation, Export results to Word, PDF, Deep semantic search for documents, Academic search with structured information, Configurable academic databases

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 知识库额度1000点 | $0.99 | one-time |
| 1000 H3 积分 | $1.99 | one-time |
| 1000积分 | $1.99 | one-time |
| 知识库额度10000点 | $4.99 | one-time |
| 秘塔AI搜索月度会员 | $5.99 | one-time |
| 10000 H3 积分 | $14.99 | one-time |
| 10000积分 | $17.99 | one-time |
| 秘塔AI搜索年度会员 | $29.99 | one-time |
| 100000 H3 积分 | $129.99 | one-time |
| 100000积分 | $179.99 | one-time |
| 知识库额度1000000点 | $399.99 | one-time |
| 500000 H3 积分 | $599.99 | one-time |
| 500000积分 | $799.99 | one-time |


## Frequently asked questions

### Is OFD转换器 free?

OFD转换器 is free to download, with no in-app purchases.

### Is 秘塔AI搜索 free?

秘塔AI搜索 is free to download, with in-app purchases available.

### Which has better reviews, OFD转换器 or 秘塔AI搜索?

秘塔AI搜索 is rated higher. OFD转换器 averages 1.0 out of 5 from 1 ratings, while 秘塔AI搜索 averages 3.8 from 30 ratings.

### Do OFD转换器 or 秘塔AI搜索 have ads?

Neither OFD转换器 nor 秘塔AI搜索 shows ads.

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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.*