# Interchange vs Epub繁简通

The clearest difference is price: Interchange at Free against Epub繁简通's $12.99. Interchange also leads on ratings volume (212 vs 1) and update cadence (every 6 days vs fortnightly). Epub繁简通's advantage is rating (5.0 vs 4.3) and in-app purchases (none vs 10). On review sentiment, ads and device support there is nothing between them.

Interchange is free to download; Epub繁简通 costs $12.99 up front. Interchange sells 9 in-app purchases, starting at $2.49 per month. Epub繁简通 asks for nothing beyond the download.

Epub繁简通 holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Interchange has 212 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 73% of Interchange's written reviews are positive against 71% of Epub繁简通's, so the app with the better star average is not the one people write more warmly about.

Interchange ships an update every 6 days, Epub繁简通 fortnightly. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Interchange | Epub繁简通 |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [4.3 (212 ratings)](https://appshunter.io/ios/app/interchange-ebook-converter/id1198053063/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/epub/id6514305385/reviews)** |
| Number of ratings | **212** | 1 |
| Positive reviews | **73.2% of reviews** | 71.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Monetization | Subscription | **Paid** |
| Size | 103 MB | 5 MB |
| Requires iOS | **12.2** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [小龙 刘](https://appshunter.io/developer/1171012527) | [Zebin Huang](https://appshunter.io/developer/1367894360) |

## What reviewers say

### Interchange

[App page](https://appshunter.io/ios/app/interchange-ebook-converter/id1198053063)

Convert and read a wide variety of ebook formats, including DRM-protected files. Offers extensive customization for reading, note-taking, and book management. Supports multiple import methods and file decompression.

**Highlights:** Multiple ebook format conversion, DRM removal for Kindle books, Customizable ebook reader layout, Note-taking and bookmarking, Customizable book covers, Multiple page-turning methods, Comic reading support, Advanced book management

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UNLOCK ALL FEATURES, REMOVE AD | $2.49 | per month |
| UNLOCK ALL FEATURES, REMOVE AD | $4.99 | per year |
| REMOVE ALL ADS | $1.99 | one-time |
| Conversions+50 | $1.99 | one-time |
| All formats | $1.99 | one-time |
| Conversions+600 | $2.99 | one-time |
| Conversions+1000 | $3.99 | one-time |
| ALL ACCESS, REMOVING AD | $9.99 | one-time |
| All advanced features | $9.99 | one-time |

**What reviewers like**

- 🚀 Fast and quick conversion speeds
- 👍 Easy to use interface
- 📁 Supports multiple file formats
- 💰 Free version available
- 📧 Can send files to Kindle

**What reviewers complain about**

- 🐛 Frequent app crashes and crashes on cover changes
- 😤 Intrusive and excessive advertising
- ❌ Poor conversion quality for PDFs
- 🔤 Confusing and non-intuitive UI
- 🌐 Inconsistent English localization

**Reported bugs**

- App crashes when changing covers
- Ad close buttons are too small or non-functional
- Converted files show as 0 bytes
- App crashes when deleting empty files
- Pro version features still require upgrade prompts

**Requested features**

- Batch conversion capability
- Right-to-left text support for Arabic books
- Proper cover image inclusion in conversions
- Unlimited conversions
- iPad Pro landscape orientation support


### Epub繁简通

[App page](https://appshunter.io/ios/app/epub/id6514305385)

This app facilitates seamless reading of Chinese ebooks by converting between simplified and traditional Chinese characters. It supports various file formats and offers quick, lossless conversion with a user-friendly interface. Ideal for readers, educators, and cultural enthusiasts who want to overcome language barriers.

**Highlights:** Simplified/Traditional Chinese conversion, Supports epub, txt, md, srt formats, Horizontal/Vertical screen switching for epub, Fast, one-click conversion, Preserves original formatting, Simple and intuitive interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Interchange free?

Interchange is free to download, with in-app purchases available.

### Is Epub繁简通 free?

Epub繁简通 costs $12.99, with no in-app purchases.

### Which has better reviews, Interchange or Epub繁简通?

Epub繁简通 is rated higher. Interchange averages 4.3 out of 5 from 212 ratings, while Epub繁简通 averages 5.0 from 1 ratings.

### Do Interchange or Epub繁简通 have ads?

Neither Interchange nor Epub繁简通 shows ads.

### Which is updated more often, Interchange or Epub繁简通?

Interchange ships an update every 6 days, and Epub繁简通 fortnightly. Most recently, Interchange was updated on October 29, 2026 and Epub繁简通 on October 30, 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.*