# Mind Palace vs Duplex Print Helper

The clearest difference is ads: Duplex Print Helper at none against Mind Palace's shown. Duplex Print Helper also leads on device support (3 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Mind Palace sells 2 in-app purchases, starting at $2.99 per month and Duplex Print Helper sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Mind Palace ships an update weekly, Duplex Print Helper every 5 days. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mind Palace | Duplex Print Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/duplex-print-helper/id6765874707/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Free |
| Size | 36 MB | 41 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [OKAN KAYA](https://appshunter.io/developer/1780559075) | [诗琴 杨](https://appshunter.io/developer/1895174809) |

## What reviewers say

### Mind Palace

[App page](https://appshunter.io/ios/app/mind-palace-memorize-and-study/id6739449718)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $2.99 | per month |
| Monthly Premium Subscription | $2.99 | per month |


### 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 (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $2.99 | per year |
| Pro Lifetime Unlock | $0.99 | one-time |


## Frequently asked questions

### Is Mind Palace free?

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

### Is Duplex Print Helper free?

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

### Do Mind Palace or Duplex Print Helper have ads?

Mind Palace shows ads; Duplex Print Helper does not.

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

Mind Palace ships an update weekly, and Duplex Print Helper every 5 days. Most recently, Mind Palace was updated on October 9, 2026 and Duplex Print Helper on October 25, 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.*