# ButterSynth vs TROOPER Synthesizer

The clearest difference is rating: TROOPER Synthesizer at 4.8 against ButterSynth's 4.0. TROOPER Synthesizer also leads on price ($14.99 vs $19.99) and review sentiment (73% vs 59%). ButterSynth's advantage is in-app purchases (none vs 3). On ratings volume, update cadence, ads and device support there is nothing between them.

ButterSynth costs $19.99 and TROOPER Synthesizer $14.99 up front. TROOPER Synthesizer sells 3 one-off in-app purchases. ButterSynth asks for nothing beyond the download.

TROOPER Synthesizer holds the better App Store score, 4.8 against 4.0. Both are backed by a comparable volume of ratings — 63 and 71 respectively. Written reviews point the same way: 59% of ButterSynth's written reviews are positive against 73% of TROOPER Synthesizer's.

ButterSynth ships an update every 2 months, TROOPER Synthesizer every 6 weeks. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ButterSynth | TROOPER Synthesizer |
| --- | --- | --- |
| Price | $19.99 | **$14.99** |
| Rating | [4.0 (63 ratings)](https://appshunter.io/ios/app/buttersynth/id1497419006/reviews) | **[4.8 (71 ratings)](https://appshunter.io/ios/app/trooper-synthesizer/id1644005057/reviews)** |
| Number of ratings | 63 | **71** |
| Positive reviews | 59.2% of reviews | **73.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 468 MB | 37 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arto Vaarala](https://appshunter.io/developer/890886114) | [Yonac Inc.](https://appshunter.io/developer/288670023) |

## What reviewers say

### ButterSynth

[App page](https://appshunter.io/ios/app/buttersynth/id1497419006)

This powerful synthesizer app offers a hybrid approach, combining wavetable, FM, and sample-based synthesis. Create unique sounds with a vast sonic range, advanced modulation, and a built-in effects rack. It caters to both experienced sound designers and beginners with extensive presets.

**Highlights:** Hybrid 6-oscillator synthesis (wavetable, FM, sample), Built-in wavetable editor, FM engine with 4 operators, Sample and Granulator engines, 32-slot modulation matrix, Internal FX rack with 16 modules, Extensive preset library

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- ✨ Deep sound design capabilities
- 🎛️ Versatile modulation matrix
- 🔊 Great sound quality
- 💡 Innovative wavetable generator
- 🌟 Serum-like experience

**What reviewers complain about**

- 📱 Fiddly on small screens
- 🐛 Crashes frequently
- 🐛 Disappears in Cubasis
- 🐛 Spikes CPU usage
- 🐛 Crashes on patch change

**Reported bugs**

- App crashing with AUM
- Disappears in Cubasis randomly
- Crashes all the time inside Logic
- Changing a patch spikes CPU to 99%
- Crashes on every patch change

**Requested features**

- MPE popup possible on top of the auv3
- Button to hide built-in keyboard
- Buffer size option
- Additional MIDI mappings (e.g., arpeggiator toggle)
- Sustain pedal support


### TROOPER Synthesizer

[App page](https://appshunter.io/ios/app/trooper-synthesizer/id1644005057)

This app offers a powerful yet user-friendly synthesizer experience, delivering thick basses, leads, and pads with analog warmth and surprising tonal variety. Explore unique parameter interactions, advanced modulation options, and creative tools like an arpeggiator and effects processor for an all-out sonic assault.

**Highlights:** Thick basses, leads, and pads, Interactive oscillator volumes, Audible LFO for sound and modulation, Throaty, self-oscillating filter, Virtual VCA with "fat" tones, Arpeggiator with five algorithms, Texturizer effects suite

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Magnum Load | $1.99 | one-time |
| Slow Burn | $1.99 | one-time |
| The EDC | $1.99 | one-time |


## Frequently asked questions

### Is ButterSynth free?

ButterSynth costs $19.99, with no in-app purchases.

### Is TROOPER Synthesizer free?

TROOPER Synthesizer costs $14.99, and also offers in-app purchases.

### Which has better reviews, ButterSynth or TROOPER Synthesizer?

TROOPER Synthesizer is rated higher. ButterSynth averages 4.0 out of 5 from 63 ratings, while TROOPER Synthesizer averages 4.8 from 71 ratings.

### Do ButterSynth or TROOPER Synthesizer have ads?

Neither ButterSynth nor TROOPER Synthesizer shows ads.

### Which is updated more often, ButterSynth or TROOPER Synthesizer?

ButterSynth ships an update every 2 months, and TROOPER Synthesizer every 6 weeks. Most recently, ButterSynth was updated on October 29, 2026 and TROOPER Synthesizer on October 30, 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.*