Comparison

Flare Scratch vs AudioKit Synth One Synthesizer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Flare Scratch

This app simulates a high-torque DJ turntable, allowing users to scratch music from their iPod library or pre-loaded beat loops. It offers various classic scratching techniques and features like zoom mode for precision and mirror mode for left-handed users.

Highlights
  • Scratch iPod Library tunes
  • High torque turntable simulation
  • Loop player
  • Zoom mode for precision
  • Classic scratch techniques
  • Mirror mode for left-handers
  • Preloaded beat loops
Features
Read full description

Scratch like a pro with Flare, the high torque DJ turntable. Either cut up the built-in records over a beatloop, or your own iPod Library tunes. Get this party started right with Flare, the undisputed Vinyl champion of the AppStore. "Pure Turntablism" --Vdrumpro999 Flare is a high torque turntable that fits in the palm of your hand, and features: • scratch your iPod Library tunes (!!!) • 1 high torque deck • 1 loop player • incredible vinyl sound • the ability to cut it up anywhere • zoom mode for precision scratching • transformer button capable of 11ms clicks • mirror mode for left handers • classic scratches: transformer, baby, tear, 1-click orbit • hamster switch • 5 preloaded beat loops produced by luke dubs, ready to cut over • 3 bundled battle records to get you started Coming soon: pitch control.

About

AudioKit Synth One Synthesizer

This is a free, open-source professional synthesizer app for iOS devices. It offers over 300 presets, MIDI support, a sequencer, and vintage-inspired filters. Learn music production basics and create your own sounds.

Highlights
  • Over 300+ Presets
  • MIDI Support
  • Vintage-Style Sequencer
  • Analog Filters
  • Expressive Arpeggiators
  • Open-Source
Features
Read full description

“A big step forward for mobile music” - CDM (Create Digital Music) "Groundbreaking iOS synth app" - Cult of Mac "Must-download for every iPad owner" - MacBreak *** "2018 App of the Year, Runner up" – Stuff.tv *** *** “Best iOS Music Apps of 2018” – Cult of Mac *** *** “Best of 2018: iOS Apps for Musicians” – Ask.Audio *** "AudioKit Synth One is a free feature-packed synth for your iPad, including 300+ presets created by professional sound designers behind M83, Tycho, and Rihanna" - Engadget *** “Best Music Apps of 2018” – Music Radar *** LEARN OUR INCREDIBLE STORY: Audiokitpro.com/synth *** Optimized for newer iPads & iPhones for best performance. Note: Requires iPhone 6 or higher screen size. App will not work on older iPhone 5/SE/Touch devices "A Stunning Endeavor... Sounds Amazing!" - Francis Preve, Electronic Musician Magazine “Amazing & Brilliant… Sounds fantastic!” – The Sound Test Room "A great example of human endeavor" - Gaz Williams, Sonic State "Sounds amazing... the start of something huge." - Ask.Audio AudioKit Synth One is the first completely free & open-source professional iOS Synthesizer app in history. No Ads. No IAP. It will always be free. "Powerful... Awesome" - Synthtopia.com "An amazing synth app for your iPad that’s as close to sorcery as it gets" - GarageBand Guide "Must Have iOS Synthesizer" - Synth Anatomy "Synth One is a robust piece of free software" - The Verge "It WOWS you... immediately fun to start tweaking!" - discchord "A damn fine synth" - Computer Music Magazine "Open-source and seriously powerful" - Future Music Magazine "A labour of love that everyone can enjoy" - Music Radar "Extremely exciting passion project" - Music Tech Magazine "Make your own imposing synthesizer sounds and teach yourself the basics of music production" - Lifehacker Learn more: audiokitpro.com/synth Created by over 100+ volunteers around the world (including sound designers for M83, Rihanna, Kanye West, Neon Trees, Mike Posner, Tycho, and more), this app includes MIDI support (play it with a MIDI keyboard or controller), sequencer, vintage-inspired analog filters, expressive arpeggiators, warm analog delays, and, over 300+ presets to get you started! Email us your music & bugs: hello@audiokitpro.com SYNTH ONE FEATURES: This synthesizer is completely free, fully functional, and ad-free. There are no IAP or anything to buy -- It’s the ultimate free iPad music instrument app! • Hybrid Analog/FM Poly Synthesizer • Over 300+ Presets crafted by famous sound designers • Audiobus 3 & Inter-app Audio (IAA) • Ableton Link • Five Oscillators (2 DCO, FM, Sub, Noise) • 2 LFOs with over a dozen routing possibilities • Vintage-Style 16-Step Sequencer • Classic poly arpeggiator • MIDI in (Control with a MIDI Keyboard or AudioBus/IAA) • Touchable ADSR Envelopes for Amp & Filter • FM Oscillator w/ Mod • Mono glide and legato • Dedicated Sine/Square -12/24 Sub Osc • 4-Pole Vintage Low-Pass Filter • High-Pass/Band Pass Filters • Beautiful Costello Reverb • Multi-tap (ping-pong) delay • TouchPads • Preset & Bank Import/Export & More… BONUS: Full Source code is now available! AudiokitPro.com/Synth Plus, it’s completely open-source. Use the code to learn how to build your own synth app or modify the app yourself! OFFICIAL VIDEO: https://youtu.be/hwDNgCYowYs "Amazing noises that will make your ears squee with glee" - Stuff Magazine "Pick of the Week" - MacBreak On the roadmap: • MPE Support (Play w/ a Roli Seaboard) • AUv3 Plug-in support

Screenshots

Flare Scratch3 screens
AudioKit Synth One Synthesizer4 screens

Verdict

The call

The clearest difference is price: AudioKit Synth One Synthesizer at Free against Flare Scratch's $4.99. AudioKit Synth One Synthesizer also leads on rating (4.9 vs 3.5) and review sentiment (95% vs 66%). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

AudioKit Synth One Synthesizer is free to download; Flare Scratch costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

AudioKit Synth One Synthesizer holds the better App Store score, 4.9 against 3.5. That said, the two scores are not equally well evidenced: AudioKit Synth One Synthesizer has 27K ratings behind it against 71, so its average is the more settled of the two. Written reviews point the same way: 66% of Flare Scratch's written reviews are positive against 95% of AudioKit Synth One Synthesizer's.

UpkeepUpdate frequency

Flare Scratch ships an update every 3 weeks, AudioKit Synth One Synthesizer monthly. Both last shipped on October 31, 2026.

Scorecard6 real differences · 4 level
Flare Scratch versus AudioKit Synth One Synthesizer: the parameters behind the verdict, then further details
ParameterFlare ScratchAudioKit Synth One Synthesizer
Price$4.99Free — better
Rating3.5 (71 ratings)4.9 (27K ratings) — better
Positive reviews65.9% of reviews94.5% of reviews — better
Number of ratings7127K — better
Update frequencyEvery 3 weeks — betterMonthly
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size9 MB34 MB
Age rating4+4+
DeveloperAsyncAudioKit Pro

Customer experience

Flare Scratch

All ratings71 ratings
Positive60.6%
Neutral11.3%
Negative28.2%
Written reviews223 reviews
Positive65.9%
Neutral12.6%
Negative21.5%

AudioKit Synth One Synthesizer

All ratings26,818 ratings
Positive98.5%
Neutral1.0%
Negative0.6%
Written reviews677 reviews
Positive94.5%
Neutral2.7%
Negative2.8%

User reviews

Flare Scratch

From 71 App Store ratings

What we love

  • 🚀 Hardest working dev
  • 👍 Realistic scratching experience
  • 💡 Ability to use own music library
  • 🚀 Smooth and responsive

Room to improve

  • 🐛 Crashing issues
  • 🐛 Compatibility problems
  • 🐛 Bugs and glitches
  • 🔋 App not optimized for newer devices

AudioKit Synth One Synthesizer

From 27K App Store ratings

What we love

  • 😎 Easy to use
  • 🔥 Clean patches
  • 👍 Awesome synth
  • 🎸 Works great with GarageBand
  • 🤩 Absolutely stunning

Room to improve

  • 🤔 No AU support yet
  • 🤔 Crashes with Audiobus 3
  • 🤔 Poor palette of sounds
  • 🤔 Mod wheel issues
  • 🤔 Occasional crashes

Bugs and requests

Flare Scratch

Reported bugs

3 issues
  • Crashing when adding music
  • Inability to change loop or turntable tracks
  • Compatibility issues with newer iOS versions

Requested features

5 requests
  • Pitch control
  • Crab scratch button
  • More skins/customization options
  • Recording functionality
  • Ability to load own beats/loops

AudioKit Synth One Synthesizer

Reported bugs

5 issues
  • Login screen freezes
  • Incompatible with older devices
  • Keyboard issues on iPhone
  • Crashes with Audiobus 3
  • Mod wheel issues

Requested features

12 requests
  • Add AU support
  • Add just intonation feature
  • Add dotted-8th-note delay option
  • Add more sound packs
  • Add drum machine/sequencing capabilities
Show 7 more
  • Add more complex waveforms
  • Add multi-filter support
  • Add more than 2 oscillators
  • Add ability to record MIDI tracks
  • Add support for Bluetooth MIDI controllers
  • Add dark mode option
  • Add advanced analytics dashboard

In-app purchases

None

Flare Scratch

No in-app purchases

None

AudioKit Synth One Synthesizer

No in-app purchases

Questions

Is Flare Scratch free?
Flare Scratch costs $4.99, with no in-app purchases.
Is AudioKit Synth One Synthesizer free?
AudioKit Synth One Synthesizer is free to download, with no in-app purchases.
Which has better reviews, Flare Scratch or AudioKit Synth One Synthesizer?
AudioKit Synth One Synthesizer is rated higher. Flare Scratch averages 3.5 out of 5 from 71 ratings, while AudioKit Synth One Synthesizer averages 4.9 from 27K ratings.
Do Flare Scratch or AudioKit Synth One Synthesizer have ads?
Neither Flare Scratch nor AudioKit Synth One Synthesizer shows ads.
Which is updated more often, Flare Scratch or AudioKit Synth One Synthesizer?
Flare Scratch ships an update every 3 weeks, and AudioKit Synth One Synthesizer monthly. Most recently, Flare Scratch was updated on October 31, 2026 and AudioKit Synth One Synthesizer on October 31, 2026.

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