# A Mod vs OpenDisplay

The clearest difference is update cadence: OpenDisplay at every 8 days against A Mod's every 3 weeks. OpenDisplay also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

A Mod ships an update every 3 weeks, OpenDisplay every 8 days. The most recent releases landed on October 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | A Mod | OpenDisplay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (14 ratings)](https://appshunter.io/ios/app/opendisplay/id6780264891/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Monetization | — | Free |
| Size | 1 MB | 1 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takeshi Ono](https://appshunter.io/developer/1523296668) | [Philip Poloczek](https://appshunter.io/developer/1333036183) |

## What reviewers say

### A Mod

[App page](https://appshunter.io/ios/app/a-mod/id1523296665)

**Features:** macOS Compatibility

**In-app purchases:** none


### OpenDisplay

[App page](https://appshunter.io/ios/app/opendisplay/id6780264891)

Transform your iPhone or iPad into a genuine second display for your Mac. This open-source solution allows you to extend your screen space, keeping essential apps visible. Connect via USB for minimal latency or Wi-Fi for easy setup.

**Highlights:** Use iPhone/iPad as a second Mac display, Connect via USB or Wi-Fi, Retina-sharp rendering, Touch and scroll support, Portrait or landscape orientation, Private by design, no tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is A Mod free?

A Mod is free to download, with no in-app purchases.

### Is OpenDisplay free?

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

### Do A Mod or OpenDisplay have ads?

Neither A Mod nor OpenDisplay shows ads.

### Which is updated more often, A Mod or OpenDisplay?

A Mod ships an update every 3 weeks, and OpenDisplay every 8 days. Most recently, A Mod was updated on October 1, 2026 and OpenDisplay on October 14, 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.*