# Melthaven vs SpellSynth

The clearest difference is rating: Melthaven at 5.0 against SpellSynth's 3.2. SpellSynth's advantage is in-app purchases (none vs 1) and update cadence (every 6 days vs every 6 weeks). On price, ratings volume, ads and device support there is nothing between them.

Melthaven costs $2.99 and SpellSynth $2.99 up front. Melthaven sells 1 one-off in-app purchase. SpellSynth asks for nothing beyond the download.

Melthaven holds the better App Store score, 5.0 against 3.2. Both are backed by a comparable volume of ratings — 4 and 11 respectively.

Melthaven ships an update every 6 weeks, SpellSynth every 6 days. The most recent releases landed on October 22, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Melthaven | SpellSynth |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/melthaven/id6761633340/reviews)** | [3.2 (11 ratings)](https://appshunter.io/ios/app/spellsynth-retro-vocal-synth/id6762822700/reviews) |
| Number of ratings | 4 | **11** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 23 MB | 112 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [quantovox](https://appshunter.io/developer/484686124) | [Chih Han Lin](https://appshunter.io/developer/1800248325) |

## What reviewers say

### Melthaven

[App page](https://appshunter.io/ios/app/melthaven/id6761633340)

This app provides a note-triggered phase shifter for guitarists, bassists, and synthesizers. It offers organic, rhythmic movement that syncs to your playing, with analog-modeled filters for diverse sonic textures. Enhance loops or create experimental sounds with its input-dependent modulation.

**Highlights:** Note-triggered phase shifting, Analog-modeled OTA filters, Responds to guitar and bass transients, Enhances pre-recorded loops, Input-dependent synth modulation, Low-latency engine

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Melthaven Pro | $4.99 | one-time |


### SpellSynth

[App page](https://appshunter.io/ios/app/spellsynth-retro-vocal-synth/id6762822700)

This app recreates a classic 1978 spelling toy with four engaging game modes. It allows users to type any word or phrase and hear it spoken aloud using vintage synthesized voices. Explore different speech synthesis eras and even play the keypad with a MIDI keyboard.

**Highlights:** Type and hear any word spoken, Four game modes (Free Play, Spell, Mystery Word, Say It), Three distinct vintage voice characters, MIDI keyboard support, Export audio to WAV, Adjustable gap between words

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

**In-app purchases:** none


## Frequently asked questions

### Is Melthaven free?

Melthaven costs $2.99, and also offers in-app purchases.

### Is SpellSynth free?

SpellSynth costs $2.99, with no in-app purchases.

### Which has better reviews, Melthaven or SpellSynth?

Melthaven is rated higher. Melthaven averages 5.0 out of 5 from 4 ratings, while SpellSynth averages 3.2 from 11 ratings.

### Do Melthaven or SpellSynth have ads?

Neither Melthaven nor SpellSynth shows ads.

### Which is updated more often, Melthaven or SpellSynth?

Melthaven ships an update every 6 weeks, and SpellSynth every 6 days. Most recently, Melthaven was updated on October 22, 2026 and SpellSynth on October 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*