# Luna Display vs Arch Buddy

The clearest difference is in-app purchases: Luna Display at none against Arch Buddy's 8. Luna Display also leads on iOS requirement (13 vs 15.1). Arch Buddy's advantage is update cadence (weekly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Arch Buddy sells 8 in-app purchases, starting at $11.49 per year. Luna Display asks for nothing beyond the download.

Luna Display ships an update every 2 months, Arch Buddy weekly. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Luna Display | Arch Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4K ratings)](https://appshunter.io/ios/app/luna-display/id1250259715/reviews)** | — |
| Number of ratings | **4K** | — |
| Positive reviews | 76.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | — |
| Size | 60 MB | 90 MB |
| Requires iOS | **13** | 15.1 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Astro HQ](https://appshunter.io/developer/934510729) | [Arjun Rai Babber](https://appshunter.io/developer/1893120672) |

## What reviewers say

### Luna Display

[App page](https://appshunter.io/ios/app/luna-display/id1250259715)

Transform your iPad into a wireless second display for your Mac or PC. This hardware-enabled solution offers low latency and high image quality, supporting touch gestures and Apple Pencil for a seamless extension of your computer's capabilities.

**Highlights:** Wireless second display for Mac/PC, Supports touch and Apple Pencil, Low latency performance, Mix and match devices (PC-to-iPad, Mac-to-iPad), Headless mode for Mac mini/Pro, Connect via Wi-Fi or USB

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Reliable even when Sidecar is not
- 🚀 Absolutely magic in every respect
- 🚀 Headless Mac
- 👍 Great software
- 🚀 Really Cool Way to Use IPad with Windows or Mac

**What reviewers complain about**

- 🔑 Keyboard Input on screen…
- 🐛 Constantly begging for a rating
- 🔑 Nice product if connected by wire
- 🐛 Cannot right click with pencil
- 🔑 No full screen on iPadOS 18.2 external displays.

**Reported bugs**

- No full screen on iPadOS 18.2 external displays.
- Does not work anymore
- Cannot pair with windows PC

**Requested features**

- Portrait mode
- Locked cursor support
- Magic Keyboard Support
- Automatic login in headless mode


### Arch Buddy

[App page](https://appshunter.io/ios/app/arch-buddy/id6762143670)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Arch Buddy Pro | $11.49 | per year |
| Merriweather Font | $1.49 | one-time |
| Crimson Pro Font | $1.49 | one-time |
| Lato Font | $1.49 | one-time |
| Playfair Display Font | $1.99 | one-time |
| 100 Deep OCR Scans | $1.99 | one-time |
| Paleo Skin | $2.99 | one-time |
| Mimi Skin | $2.99 | one-time |


## Frequently asked questions

### Is Luna Display free?

Luna Display is free to download, with no in-app purchases.

### Is Arch Buddy free?

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

### Do Luna Display or Arch Buddy have ads?

Neither Luna Display nor Arch Buddy shows ads.

### Which is updated more often, Luna Display or Arch Buddy?

Luna Display ships an update every 2 months, and Arch Buddy weekly. Most recently, Luna Display was updated on October 26, 2026 and Arch Buddy 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.*