# Core Synth Free vs Synth Box

The clearest difference is review sentiment: Synth Box at 100% against Core Synth Free's 57%. Synth Box also leads on rating (5.0 vs 2.9) and update cadence (every 2 months vs every 13 months). Core Synth Free's advantage is ratings volume (8 vs 1) and iOS requirement (8.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Core Synth Free sells 1 one-off in-app purchase and Synth Box sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Synth Box holds the better App Store score, 5.0 against 2.9. That said, the two scores are not equally well evidenced: Core Synth Free has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 57% of Core Synth Free's written reviews are positive against 100% of Synth Box's.

Core Synth Free ships an update every 13 months, Synth Box every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Core Synth Free | Synth Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.9 (8 ratings)](https://appshunter.io/ios/app/core-synth-free/id449078353/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/synth-box-music-synthesizer/id6777200381/reviews)** |
| Number of ratings | **8** | 1 |
| Positive reviews | 57.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 7 MB | 13 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Core Engine Apps](https://appshunter.io/developer/382236096) | [Alper Kahriman](https://appshunter.io/developer/1054578352) |

## What reviewers say

### Core Synth Free

[App page](https://appshunter.io/ios/app/core-synth-free/id449078353)

Create music with a monophonic synthesizer featuring dual oscillators, adjustable filters, and envelope shaping. Explore various wave patterns and octaves to craft unique sounds for live performance or composition.

**Highlights:** Dual overlapping oscillators, Four wave patterns, Adjustable low pass filter, ADSR envelope shaping, 1 octave keyboard, Save and load patches

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Upgrade | $0.99 | one-time |


### Synth Box

[App page](https://appshunter.io/ios/app/synth-box-music-synthesizer/id6777200381)

Transform your device into a versatile synthesizer with a touch-sensitive keyboard, morphing oscillators, and a resonant low-pass filter. Explore 100 presets, add real-time effects, and record your performances. Connect MIDI controllers for expanded creative possibilities.

**Highlights:** Slide-to-play keyboard with pitch/mod wheels, Dual morphing wavetable oscillators, Moog-style low-pass filter, 100 hand-crafted presets, Real-time effects (reverb, delay, bit-crusher), Record and share performances, MIDI controller support

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $19.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Core Synth Free free?

Core Synth Free is free to download, with in-app purchases available.

### Is Synth Box free?

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

### Which has better reviews, Core Synth Free or Synth Box?

Synth Box is rated higher. Core Synth Free averages 2.9 out of 5 from 8 ratings, while Synth Box averages 5.0 from 1 ratings.

### Do Core Synth Free or Synth Box have ads?

Neither Core Synth Free nor Synth Box shows ads.

### Which is updated more often, Core Synth Free or Synth Box?

Core Synth Free ships an update every 13 months, and Synth Box every 2 months. Most recently, Core Synth Free was updated on November 3, 2026 and Synth Box on October 31, 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.*