# Flip Sampler vs ButterSynth

The clearest difference is price: Flip Sampler at $11.99 against ButterSynth's $19.99. Flip Sampler also leads on rating (4.2 vs 4.0) and update cadence (every 4 weeks vs every 2 months). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Flip Sampler costs $11.99 and ButterSynth $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flip Sampler holds the better App Store score, 4.2 against 4.0. That said, the two scores are not equally well evidenced: Flip Sampler has 326 ratings behind it against 62, so its average is the more settled of the two. Written reviews point the same way: 65% of Flip Sampler's written reviews are positive against 60% of ButterSynth's.

Flip Sampler ships an update every 4 weeks, ButterSynth every 2 months. The most recent releases landed on October 13, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Flip Sampler | ButterSynth |
| --- | --- | --- |
| Price | **$11.99** | $19.99 |
| Rating | **[4.2 (326 ratings)](https://appshunter.io/ios/app/flip-sampler/id1486629619/reviews)** | [4.0 (62 ratings)](https://appshunter.io/ios/app/buttersynth/id1497419006/reviews) |
| Number of ratings | **326** | 62 |
| Positive reviews | **64.5% of reviews** | 60.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#101** | — |
| Size | 208 MB | 468 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Suture Sound Inc.](https://appshunter.io/developer/1486629618) | [Arto Vaarala](https://appshunter.io/developer/890886114) |

## What reviewers say

### Flip Sampler

[App page](https://appshunter.io/ios/app/flip-sampler/id1486629619)

**Currently charting:** #101 Top Paid · Music (US App Store)

Create music on the go with this intuitive, sample-based studio. Import or record sounds, shape them with effects, and arrange them into full tracks. Features include a piano roll, automation, and live performance tools.

**Highlights:** Sample-based music creation, Import/record sounds, Built-in effects and editing, Piano roll and automation, Song arrangement and mixing, Live performance features, Export tracks and stems

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Intuitive and easy to use
- 👍 Powerful sampling and automation features
- 💡 Great for sketching out musical ideas on the go
- 🚀 Responsive and fast workflow
- 👍 Comprehensive and feature-rich for the price

**What reviewers complain about**

- 🐛 Frequent crashes and stability issues
- 🐛 Bugs with MIDI, automation, and sample management
- 👎 Limited to 9 sample pads
- 👎 Glitchy piano roll and note editing
- 👎 Delay and latency issues with Bluetooth devices

**Reported bugs**

- Samples randomly re-pitch or lose settings
- Undo function doesn't work as expected
- Exported tracks have different key/pitch than original
- Metronome glitches and stops working
- Dynamic island on iPhone 14 Pro covers UI elements

**Requested features**

- Expand to 16 or more sample pads
- Add longer loop/pattern lengths
- Implement MIDI controller support
- Improve sample organization and folder management
- Add resampling and time-stretching capabilities


### 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


## Frequently asked questions

### Is Flip Sampler free?

Flip Sampler costs $11.99, with no in-app purchases.

### Is ButterSynth free?

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

### Which has better reviews, Flip Sampler or ButterSynth?

Flip Sampler is rated higher. Flip Sampler averages 4.2 out of 5 from 326 ratings, while ButterSynth averages 4.0 from 62 ratings.

### Do Flip Sampler or ButterSynth have ads?

Neither Flip Sampler nor ButterSynth shows ads.

### Which is updated more often, Flip Sampler or ButterSynth?

Flip Sampler ships an update every 4 weeks, and ButterSynth every 2 months. Most recently, Flip Sampler was updated on October 13, 2026 and ButterSynth on October 15, 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.*