# Mercury vs Aerostar

The clearest difference is iOS requirement: Mercury at 8.0 against Aerostar's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Mercury ships an update every 3 months, Aerostar every 2 months. The most recent releases landed on October 4, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Mercury | Aerostar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/aerostar/id1502884922/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 20 MB | 36 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [R Hamilton & Co Ltd.](https://appshunter.io/developer/482574203) | [Aerostar](https://appshunter.io/developer/1896587407) |

## What reviewers say

### Mercury

[App page](https://appshunter.io/ios/app/mercury/id482574198)

Control your multi-room audio system remotely. Manage playback, zones, and settings for a seamless listening experience throughout your home.

**Highlights:** Remote control, Multi-room audio system management, Zone control, Playback management, Settings adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


### Aerostar

[App page](https://appshunter.io/ios/app/aerostar/id1502884922)

Control climate control units remotely, from industrial equipment to home appliances. Manage settings, receive alerts, and schedule operations from anywhere in the world. Supports multiple units and groups for easy management.

**Highlights:** Remote control of climate units, Change settings from anywhere, Receive alarm notifications, Customizable operating schedules, Manage unlimited units and groups, In-app service support chat

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

**In-app purchases:** none


## Frequently asked questions

### Is Mercury free?

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

### Is Aerostar free?

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

### Do Mercury or Aerostar have ads?

Neither Mercury nor Aerostar shows ads.

### Which is updated more often, Mercury or Aerostar?

Mercury ships an update every 3 months, and Aerostar every 2 months. Most recently, Mercury was updated on October 4, 2026 and Aerostar on October 24, 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.*