# Millennium Tower vs OpenDisplay

Millennium Tower and OpenDisplay are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Millennium Tower ships an update fortnightly, OpenDisplay every 8 days. The most recent releases landed on October 19, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Millennium Tower | OpenDisplay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (18 ratings)](https://appshunter.io/ios/app/opendisplay/id6780264891/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Monetization | — | Free |
| Size | 169 MB | 1 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Livelyhood, Inc.](https://appshunter.io/developer/932929798) | [Philip Poloczek](https://appshunter.io/developer/1333036183) |

## What reviewers say

### Millennium Tower

[App page](https://appshunter.io/ios/app/millennium-tower/id6682023518)

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

**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 Millennium Tower free?

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

### Is OpenDisplay free?

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

### Do Millennium Tower or OpenDisplay have ads?

Neither Millennium Tower nor OpenDisplay shows ads.

### Which is updated more often, Millennium Tower or OpenDisplay?

Millennium Tower ships an update fortnightly, and OpenDisplay every 8 days. Most recently, Millennium Tower was updated on October 19, 2026 and OpenDisplay on October 23, 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.*