# Pure Acid vs Flip Sampler

The clearest difference is rating: Pure Acid at 4.9 against Flip Sampler's 4.2. Pure Acid also leads on review sentiment (94% vs 65%) and chart position (#156 vs unranked). Flip Sampler's advantage is in-app purchases (none vs 2) and price ($11.99 vs $14.99). On ratings volume, update cadence, ads and monetization model there is nothing between them.

Pure Acid costs $14.99 and Flip Sampler $11.99 up front. Pure Acid sells 2 one-off in-app purchases. Flip Sampler asks for nothing beyond the download.

Pure Acid holds the better App Store score, 4.9 against 4.2. Both are backed by a comparable volume of ratings — 167 and 326 respectively. Written reviews point the same way: 94% of Pure Acid's written reviews are positive against 65% of Flip Sampler's.

Pure Acid ships an update every 3 weeks, Flip Sampler every 4 weeks. The most recent releases landed on October 17, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Pure Acid | Flip Sampler |
| --- | --- | --- |
| Price | $14.99 | **$11.99** |
| Rating | **[4.9 (167 ratings)](https://appshunter.io/ios/app/pure-acid/id1481283602/reviews)** | [4.2 (326 ratings)](https://appshunter.io/ios/app/flip-sampler/id1486629619/reviews) |
| Number of ratings | 167 | **326** |
| Positive reviews | **94.1% of reviews** | 64.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#156** | — |
| Size | 44 MB | 208 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dmitrij Pavlov](https://appshunter.io/developer/478154322) | [Suture Sound Inc.](https://appshunter.io/developer/1486629618) |

## What reviewers say

### Pure Acid

[App page](https://appshunter.io/ios/app/pure-acid/id1481283602)

**Currently charting:** #156 Top Paid · Music (US App Store)

This app is a high-quality bassline synthesizer and drum machine inspired by classic 80s hardware. It offers a retro analog sound with modern features for fast and fun music creation. Explore various genres with factory presets and create unique rhythms and basslines.

**Highlights:** AUv3, Ableton Link, AudioBus, IAA support, Classic bassline waveforms (Saw, Pulse), Distortion and filter LFO effects, 32-step sequencer with pattern editing, 16 independent drum parts with customizable sounds, Realtime master effects with XY-pad

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ukrainian style color scheme | $4.99 | one-time |
| Ukrainian style app icon | $4.99 | one-time |

**What reviewers like**

- 🚀 Powerful and feature-rich
- 👍 Intuitive and easy to use
- 🎶 Excellent sound quality
- 🎛️ Great sequencing and programming capabilities
- 🔌 Seamless integration with other apps and hardware

**What reviewers complain about**

- 🐛 Occasional audio cutoff or sync issues
- 🔍 Lack of detailed documentation or tutorials
- 🔀 Limitations in pattern length and drum sequencing

**Reported bugs**

- GUI scaling issues on smaller devices
- Crashes or freezes on certain devices

**Requested features**

- Ability to import MIDI files
- Standalone drum machine mode
- Expanded drum sample library
- Knob/parameter automation recording


### Flip Sampler

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

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


## Frequently asked questions

### Is Pure Acid free?

Pure Acid costs $14.99, and also offers in-app purchases.

### Is Flip Sampler free?

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

### Which has better reviews, Pure Acid or Flip Sampler?

Pure Acid is rated higher. Pure Acid averages 4.9 out of 5 from 167 ratings, while Flip Sampler averages 4.2 from 326 ratings.

### Do Pure Acid or Flip Sampler have ads?

Neither Pure Acid nor Flip Sampler shows ads.

### Which is updated more often, Pure Acid or Flip Sampler?

Pure Acid ships an update every 3 weeks, and Flip Sampler every 4 weeks. Most recently, Pure Acid was updated on October 17, 2026 and Flip Sampler on October 19, 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.*