Comparison

Pure Synth® Platinum vs ConnectionOpen

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

Head to head
About

Pure Synth® Platinum

This app is a versatile virtual instrument player for iOS, serving as a comprehensive solution for rompler, synthesizer, and wavetable needs. It offers advanced modulation, built-in effects, and expandable sound libraries. Users can store samples on external drives and customize their sound with unique features.

Highlights
  • Rompler, synthesizer, and wavetable engines
  • Advanced automation and modulation system
  • Includes VKFX Suite and additional free effects
  • Expandable sound libraries via virtual IAP
  • External drive support for sample storage
  • MIDI Learn and modulate any parameter
  • AUv3 Full View Support
Features
Read full description

Pure Synth® Platinum is NOW FREE!!! It has evolved into one of the only Virtual Instrument Players on iOS and has emerged as the only substitute for your Rompler/Synth needs. All engines are fully capable as a romper, synthesizer, and wavetable mangler. We have a simple automation and modulation system where you simply touch+hold on any parameter and it will learn your MIDI CC commands and you can assign modulations to any parameter, including the effects. Our synth also includes all of the VKFX Suite from Overloud™ and we are always adding new effects that we add free from within the app such as the new effects below: - CloudVerb Creatmospheric Reverb - PhatFilt - Analog modeling Filter and Feedback - Talkbox® - Vowel Sounding Talkbox effect - iFX Amp - Realistic Amp Sim emulations Virtual IAP Expansion Setup Everyone remembers the famous samplers that we love with branded expansions and the unlimited ability to expand. Now that Pure Synth® Platinum is a free download, you can pick and choose which expansions you want to use. Freely purchase any expansion and most of them don’t require other expansions in order to run. We have plans for many more expansions and with our ability to store samples on external drives, your iOS device becomes the one stop shop for all things samples and synthesis. Not only can we add new sounds, but new features, such as the ability to load in your own wavetables or load in your own sounds in the future. Existing BASSalicious and FM TiNES Users Existing users of our FMT and BASS2 can go to the settings and look for the APPLY CROSSGRADE option. This will allow you to unlock those same sounds from within Pure Synth®, so now all you need is one synth to access all of the sounds. Important Features: ▪ External Drive for Sample Storage ▪ BlueTooth MiDI Capable ▪ iCloud Backup and Sharing of Presets ▪ Ability to export presets ▪ Enhanced AUv3 Preset Resizing ▪ Expansion Pack Banners and Branding ▪ Metal support, Faster UI, Faster loading, and major CPU Updates ▪ Two Mode MIDI Program Change ▪ MIDI Learn and Modulate Any parameter iOS Features: ▪ iOS 13+ ▪ AUv3 Full View Support ▪ Supports Scrolling to see all parameters ▪ Background Audio ▪ Virtual MIDI ▪ Separate MIDI Channel Selections ▪ Full 2732 x 2048 HD View ▪ Virtual Keyboard Sends MIDI ▪ MIDI Learn any parameter ▪ File Sharing of Presets Features ▪ Flexible Preset System with Fast search, loading, and saving ▪ Favorites option for sounds and presets ▪ Lightening fast sample streaming engine ▪ Warm analog rich simple-set ran through analog gear ▪ Warm Wavetable Technology ▪ Easy modulation system - Tap+Hold to assign modulation to virtually any source ▪ A VA circuit modeled State Variable Filter ▪ Ability to select edit multiple oscillators ▪ JP-8000 Supersaw Unison/Detune ▪ Powered Scale Option - Scales the detuning in a unique way. ▪ Brand New FX System ▪ Dynamically and Graphically position FX signal flow in virtual racks. ▪ Separate Oscillator FX sends for Reverb and Insert FX. ▪ Featuring Overloud's VKFX Suite. ▪ New Dattorro's figure-of-eight Algorithmic Reverb. ▪ New Schroeder Algorithmic Reverb. ▪ New Soft Master Limiter with Tube Saturation. ▪ New Stereo Spread/Widener with Safe Bass Multi-Mode Settings. Device Specifications: ---------------- ▪ 2GHz ARM Processor Recommended - iPad Pro 12.9 and 9.7 in, iPad 5th Gen, iPad Pro 12.9 in. (Gen 2), iPad Pro 10.5 in., iPad 6th Gen, iPad Pro 11 in., iPad Pro 12.9 in. (Gen 3), iPad Air (Gen 3) ▪ iPhone X and higher - iPhones with at least 2GB RAM Supported Only ▪ For External Sample Streaming, we only recommend Fast External SSD Drives ---------------- IMPORTANT NOTE: Purchasing the iOS Version does not grant you FREE access to our desktop version. Each platform/version must be purchased separately.

About

ConnectionOpen

Experience real-time, high-quality audio and video collaboration with near-zero latency. Ideal for musicians, podcasters, and voiceover artists to connect and create together remotely, as if in the same room.

Highlights
  • Uncompressed, high-quality audio
  • Low-latency live video streaming
  • Real-time online collaboration
  • Remote jamming and practice for musicians
  • Live podcast recording with guests
  • Voiceover work with live feedback
Read full description

ConnectionOpen let’s you communicate and collaborate in real time online, with low-latency uncompressed audio of the highest quality. Available on Mac, inside your DAW, and now iOS too, ConnectionOpen also features live video streaming in sync with crystal clear uncompressed audio. With close to zero latency, ConnectionOpen is perfect for a wide variety of potential uses: Voiceover artists: Work directly with studios with the best quality audio, and get live feedback on your performances - now get the ultimate portability of our iOS app for iPhone and iPad. Podcasters: record live with co-hosts and interview guests wherever you are, and feel as if you were in the same room thanks to ConnectionOpen’s super low latency. Musicians: Jam, practice and perform together, miles apart in perfect sync with no compromise in audio quality. It’s easy to create a session and get connected to anyone in the world in minutes and experience fantastic quality audio with next to no latency. No more distortion, no more call drop outs, no lag - just crystal clear audio in sync with live video streaming. It’s the perfect platform to creatively collaborate online together, as if you were in the same studio. With a range of day passes and monthly subscription plans to choose from, ConnectionOpen can be tailored to your usage and workflow. Read more about our terms and conditions here: https://www.connectionopen.com/terms-and-conditions

Screenshots

Pure Synth® Platinum4 screens

Verdict

The call

The clearest difference is review sentiment: ConnectionOpen at 100% against Pure Synth® Platinum's 51%. ConnectionOpen also leads on rating (5.0 vs 3.6). Pure Synth® Platinum's advantage is monetization model (free with in-app purchases vs subscription) and ratings volume (54 vs 4). On price, update cadence, ads and in-app purchases 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

Both are free to download. Pure Synth® Platinum sells 13 one-off in-app purchases and ConnectionOpen sells 4 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

ConnectionOpen holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: Pure Synth® Platinum has 54 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 51% of Pure Synth® Platinum's written reviews are positive against 100% of ConnectionOpen's.

UpkeepUpdate frequency

Pure Synth® Platinum ships an update every 3 months, ConnectionOpen every 2 months. The most recent releases landed on October 20, 2026 and October 5, 2026 respectively.

Scorecard6 real differences · 4 level
Pure Synth® Platinum versus ConnectionOpen: the parameters behind the verdict, then further details
ParameterPure Synth® PlatinumConnectionOpen
PriceFreeFree
Rating3.6 (54 ratings)5.0 (4 ratings) — better
Positive reviews50.7% of reviews100.0% of reviews — better
Number of ratings54 — better4
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases — betterSubscription
DevicesiPhone, iPad, iPod — betteriPad
Requires iOS11.0 — better13.0
Further details — not scored
Size317 MB51 MB
Age rating4+4+
DeveloperMIDIculous LLCConnectionOpen, Inc.

Customer experience

Pure Synth® Platinum

All ratings54 ratings
Positive61.1%
Neutral9.3%
Negative29.6%
Written reviews152 reviews
Positive50.7%
Neutral16.4%
Negative32.9%

ConnectionOpen

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Pure Synth® Platinum

Reported bugs

5 issues
  • Purchased content disappearing after updates
  • Synth not responding or producing sound in DAWs
  • Glitches and audio dropouts during playback
  • Incompatibility issues with certain iOS versions
  • Inconsistent behavior across different devices

Requested features

5 requests
  • MIDI learn capabilities for all parameters
  • Improved preset management and organization
  • Ability to import custom wavetables and samples
  • Dedicated sound design tools and modulation options
  • Better integration with external storage devices

ConnectionOpen

Not enough reviews yet to summarise bugs or requests.

In-app purchases

13 purchases

Pure Synth® Platinum

One-time13
  • Pure Synth 8 Bit Expansion$2.99
  • Rached 808s for Pure Synth$3.99
  • EDM Leads Vol 1 for Pure Synth$3.99
Show 10 more
  • Pure Glide Urban Synth$5.99
  • BASSalicious 1 Factory Content$6.99
  • Creatmosphere Expansion$6.99
  • Suitcase EP Piano Expansion$7.99
  • YAMAHA EX5 Expansion$7.99
  • Pure Sine 2$8.99
  • BASSalicious 2 Factory Content$9.99
  • Upright Piano Expansion$9.99
  • FM TiNES Expansion for PSP$14.99
  • Factory Sample Content$19.99
4 purchases

ConnectionOpen

Subscriptions3
  • Basic Plan14 Days trial$24.991 Month
  • Standard Plan14 Days trial$49.991 Month
  • Pro Plan14 Days trial$99.991 Month
One-time1
  • Day Pass$9.99

Questions

Is Pure Synth® Platinum free?
Pure Synth® Platinum is free to download, with in-app purchases available.
Is ConnectionOpen free?
ConnectionOpen is free to download, with in-app purchases available.
Which has better reviews, Pure Synth® Platinum or ConnectionOpen?
ConnectionOpen is rated higher. Pure Synth® Platinum averages 3.6 out of 5 from 54 ratings, while ConnectionOpen averages 5.0 from 4 ratings.
Do Pure Synth® Platinum or ConnectionOpen have ads?
Neither Pure Synth® Platinum nor ConnectionOpen shows ads.
Which is updated more often, Pure Synth® Platinum or ConnectionOpen?
Pure Synth® Platinum ships an update every 3 months, and ConnectionOpen every 2 months. Most recently, Pure Synth® Platinum was updated on October 20, 2026 and ConnectionOpen on October 5, 2026.

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