# Harp Strings vs SPEAKERCRAFT Sub Station

The clearest difference is rating: Harp Strings at 5.0 against SPEAKERCRAFT Sub Station's 3.4. Harp Strings also leads on update cadence (every 8 days vs every 23 months) and iOS requirement (9.0 vs 15.0). SPEAKERCRAFT Sub Station's advantage is ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Harp Strings holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: SPEAKERCRAFT Sub Station has 7 ratings behind it against 1, so its average is the more settled of the two.

Harp Strings ships an update every 8 days, SPEAKERCRAFT Sub Station every 23 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Harp Strings | SPEAKERCRAFT Sub Station |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/harp-strings/id1095138723/reviews)** | [3.4 (7 ratings)](https://appshunter.io/ios/app/speakercraft-sub-station/id1544882945/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 23 months |
| Monetization | Free | Free |
| Size | 34 MB | 24 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bitwise Systems Inc](https://appshunter.io/developer/1095138722) | [Nice North America LLC](https://appshunter.io/developer/656335127) |

## What reviewers say

### Harp Strings

[App page](https://appshunter.io/ios/app/harp-strings/id1095138723)

Adjust audio output for optimal speaker and room acoustics. Offers advanced tone controls for fine-tuning, a mute switch, and the ability to edit amplifier names. Tailor your sound experience with precision.

**Highlights:** Tone controls for speaker and room matching, Advanced tone tuning, Mute switch, Amplifier name editor

**Features:** macOS Compatibility

**In-app purchases:** none


### SPEAKERCRAFT Sub Station

[App page](https://appshunter.io/ios/app/speakercraft-sub-station/id1544882945)

Easily configure and control your compatible subwoofer directly from your smartphone. Adjust settings like volume, crossover, and phase without repeatedly moving to the back of the unit. The app simplifies room acoustic correction with manual and automatic EQ options.

**Highlights:** Volume Control, Crossover Adjustment, Phase Control, Delay Settings, Manual EQ, Auto EQ

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Harp Strings free?

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

### Is SPEAKERCRAFT Sub Station free?

SPEAKERCRAFT Sub Station is free to download, with no in-app purchases.

### Which has better reviews, Harp Strings or SPEAKERCRAFT Sub Station?

Harp Strings is rated higher. Harp Strings averages 5.0 out of 5 from 1 ratings, while SPEAKERCRAFT Sub Station averages 3.4 from 7 ratings.

### Do Harp Strings or SPEAKERCRAFT Sub Station have ads?

Neither Harp Strings nor SPEAKERCRAFT Sub Station shows ads.

### Which is updated more often, Harp Strings or SPEAKERCRAFT Sub Station?

Harp Strings ships an update every 8 days, and SPEAKERCRAFT Sub Station every 23 months. Most recently, Harp Strings was updated on November 2, 2026 and SPEAKERCRAFT Sub Station on November 3, 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.*