# HA vs Synth Bass Pro

The clearest difference is price: Synth Bass Pro at $1.99 against HA's $79.99. HA's advantage is review sentiment (43% vs 0%) and update cadence (every 2 months vs every 4 months). On ads, in-app purchases, monetization model and device support there is nothing between them.

HA costs $79.99 and Synth Bass Pro $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

HA ships an update every 2 months, Synth Bass Pro every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | HA | Synth Bass Pro |
| --- | --- | --- |
| Price | $79.99 | **$1.99** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/synth-bass-pro/id1592554833/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | **42.9% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Paid | Paid |
| Size | 164 MB | 47 MB |
| Requires iOS | **11.0** | 14.3 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hans Bohnert](https://appshunter.io/developer/1243728773) | [Caleb Smith](https://appshunter.io/developer/1586199403) |

## What reviewers say

### HA

[App page](https://appshunter.io/ios/app/ha-4-player/id1243728774)

This tool is designed for live stage performances, playing MP3s and MIDI files while displaying embedded lyrics. It also supports displaying images or text files alongside audio, with manual or automatic progression.

**Highlights:** Plays MP3 and MIDI files, Displays embedded lyrics (Lyrioke format), Supports image and text file display, Real-time audio transposition, MIDI intelligent transposing, MIDI channel volume control, Customizable function keys

**Features:** macOS Compatibility

**In-app purchases:** none


### Synth Bass Pro

[App page](https://appshunter.io/ios/app/synth-bass-pro/id1592554833)

Create powerful low-end sounds with three iconic synth bass presets. Features an 808 "drop" note for impactful builds and bridges, offering an alternative to traditional bass guitars for various music genres.

**Highlights:** Three iconic synth bass sounds, 808 "drop" note for builds, Low-end sound alternative, Infinite loop possibilities, Suitable for various music genres

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

**In-app purchases:** none


## Frequently asked questions

### Is HA free?

HA costs $79.99, with no in-app purchases.

### Is Synth Bass Pro free?

Synth Bass Pro costs $1.99, with no in-app purchases.

### Do HA or Synth Bass Pro have ads?

Neither HA nor Synth Bass Pro shows ads.

### Which is updated more often, HA or Synth Bass Pro?

HA ships an update every 2 months, and Synth Bass Pro every 4 months. Most recently, HA was updated on November 2, 2026 and Synth Bass Pro 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.*