# Parallel+ vs HD

The clearest difference is in-app purchases: HD at none against Parallel+'s 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Parallel+ sells 1 one-off in-app purchase. HD asks for nothing beyond the download.

Parallel+ ships an update every 4 weeks, HD every 3 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Parallel+ | HD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hd-ai-edge/id6768881230/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 22 MB | 79 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Luu Thi Tuyet Minh](https://appshunter.io/developer/1406224933) | [Michael Hudson](https://appshunter.io/developer/1896612900) |

## What reviewers say

### Parallel+

[App page](https://appshunter.io/ios/app/parallel-plus-multiple-accounts/id1622739593)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Parallel+ PRO | $4.99 | one-time |


### HD

[App page](https://appshunter.io/ios/app/hd-ai-edge/id6768881230)

This app provides secure access to local AI servers running specialized appliances. It allows users to discover, connect to, and interact with local LLMs, image generation systems, and AI workflows directly from their network.

**Highlights:** Secure connection to local AI servers, Discover local AI appliances, Interact with LLMs, Access image generation systems, Manage AI workflows

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

**In-app purchases:** none


## Frequently asked questions

### Is Parallel+ free?

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

### Is HD free?

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

### Do Parallel+ or HD have ads?

Neither Parallel+ nor HD shows ads.

### Which is updated more often, Parallel+ or HD?

Parallel+ ships an update every 4 weeks, and HD every 3 weeks. Most recently, Parallel+ was updated on October 15, 2026 and HD on October 7, 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.*