# Ghost vs Aspen Compressor Controller

The clearest difference is in-app purchases: Aspen Compressor Controller at none against Ghost's 20. Aspen Compressor Controller also leads on rating (5.0 vs 4.6). Ghost's advantage is update cadence (every 8 days vs every 2 months) and ratings volume (7.7K vs 1). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ghost sells 19 in-app purchases, starting at $0.99 per month. Aspen Compressor Controller asks for nothing beyond the download.

Aspen Compressor Controller holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Ghost has 7.7K ratings behind it against 1, so its average is the more settled of the two.

Ghost ships an update every 8 days, Aspen Compressor Controller every 2 months. The most recent releases landed on September 26, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Ghost | Aspen Compressor Controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (7.7K ratings)](https://appshunter.io/ios/app/ghost-second-phone-number/id6466671844/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/aspen-compressor-controller/id6740006506/reviews)** |
| Number of ratings | **7.7K** | 1 |
| Positive reviews | 59.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 2 months |
| Monetization | Subscription | **Free** |
| Size | 145 MB | 1 MB |
| Requires iOS | **16.4** | 17.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Openlife AI Inc](https://appshunter.io/developer/1896485364) | [Aspen Compressor, LLC](https://appshunter.io/developer/1787909268) |

## What reviewers say

### Ghost

[App page](https://appshunter.io/ios/app/ghost-second-phone-number/id6466671844)

Get a private, local phone number to stop spam and protect your identity. Receive texts, make unlimited calls, and use a temporary number for online sign-ups and transactions without revealing your real number.

**Highlights:** Temporary phone number, Unlimited calls, SMS verification codes, Local area codes, VPN protection, Spam shielding, No contracts or SIMs

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

**In-app purchases (19)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $0.99 | per month |
| Pro | $2.99 | per 7 days |
| Pro | $4.99 | per 7 days |
| Spam Call Blocker | $4.99 | per 2 months |
| Pro | $6.99 | per 7 days |
| Pro | $8.99 | per 7 days |
| Pro | $9.99 | per 7 days |
| VPN Protection | $9.99 | per 2 months |
| Premium | $14.99 | per 2 months |
| Pro | $14.99 | per year |
| Pro | $17.99 | per year |
| Multi Plan Plus - 10 Numbers | $19.99 | per 2 months |
| Multi-Plan - 10 Numbers | $19.99 | per 2 months |
| Pro | $24.99 | per month |
| Pro | $29.99 | per month |
| Premium | $29.99 | per 2 months |
| Pro | $39.99 | per month |
| Pro | $49.99 | per 2 months |
| Pro | $139.99 | per year |

**What reviewers like**

- 🚀 Cuts spam calls
- 🔒 Keeps personal number private
- 👍 Easy to set up and use
- 👍 Transparent about costs
- 👍 Separate work and personal calls

**What reviewers complain about**

- 🐛 Verification issues
- 🐛 Unable to send/receive messages
- 🐛 Unavailable area codes
- 🐛 Billing and subscription problems
- 🐛 Unreliable performance

**Reported bugs**

- Unable to delete conversations
- Inconsistent number availability
- Verification texts not received
- Calls not connecting properly

**Requested features**

- Allow multiple numbers and number switching
- Improve 2FA and verification process
- Add more customization and settings options
- Enhance call and messaging capabilities


### Aspen Compressor Controller

[App page](https://appshunter.io/ios/app/aspen-compressor-controller/id6740006506)

Monitor and adjust your compressor system's performance. This application connects to the Aspen Compressor Control Board to display real-time readings like speeds and temperatures, enabling optimized operation.

**Highlights:** Monitor compressor speeds, Display system temperatures, Control fan speeds, Optimize system performance, Connect to control board

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ghost free?

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

### Is Aspen Compressor Controller free?

Aspen Compressor Controller is free to download, with no in-app purchases.

### Which has better reviews, Ghost or Aspen Compressor Controller?

Aspen Compressor Controller is rated higher. Ghost averages 4.6 out of 5 from 7.7K ratings, while Aspen Compressor Controller averages 5.0 from 1 ratings.

### Do Ghost or Aspen Compressor Controller have ads?

Neither Ghost nor Aspen Compressor Controller shows ads.

### Which is updated more often, Ghost or Aspen Compressor Controller?

Ghost ships an update every 8 days, and Aspen Compressor Controller every 2 months. Most recently, Ghost was updated on September 26, 2026 and Aspen Compressor Controller on June 11, 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.*