# Duplex Print Helper vs 课伴

The clearest difference is device support: Duplex Print Helper at 3 against 课伴's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Duplex Print Helper sells 1 one-off in-app purchase and 课伴 sells 1 in-app purchase, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

Duplex Print Helper ships an update every 10 days, 课伴 fortnightly. The most recent releases landed on October 8, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Duplex Print Helper | 课伴 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duplex-print-helper/id6765874707/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free | — |
| Size | 6 MB | 11 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [诗琴 杨](https://appshunter.io/developer/1895174809) | [高 剑辉](https://appshunter.io/developer/1895089593) |

## What reviewers say

### Duplex Print Helper

[App page](https://appshunter.io/ios/app/duplex-print-helper/id6765874707)

This app simplifies manual duplex printing by splitting PDFs into separate files for front and back pages. It guides you through the process, ensuring correct page order for both inkjet and laser printers, and works offline for privacy.

**Highlights:** Smart PDF splitting (odd/even pages), Printer feed mode support (top/bottom), Side-by-side PDF preview, Print reminder for single-sided printing, Offline functionality, Share and export split PDFs

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Lifetime Unlock | $0.99 | one-time |


### 课伴

[App page](https://appshunter.io/ios/app/ai/id6790702626)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tutor Desk Pro | $9.99 | per year |


## Frequently asked questions

### Is Duplex Print Helper free?

Duplex Print Helper is free to download, with in-app purchases available.

### Is 课伴 free?

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

### Do Duplex Print Helper or 课伴 have ads?

Neither Duplex Print Helper nor 课伴 shows ads.

### Which is updated more often, Duplex Print Helper or 课伴?

Duplex Print Helper ships an update every 10 days, and 课伴 fortnightly. Most recently, Duplex Print Helper was updated on October 8, 2026 and 课伴 on October 16, 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.*