10 Best Spectrum Synthesizer Bundle Alternatives for iPhone (2026)

Spectrum Synthesizer Bundle is great, but it's not the only option. Explore 10+ similar apps for iPhone and iPad, each reviewed and rated by real users. Find free alternatives, premium upgrades, and hidden gems.

Top Alternatives to Spectrum Synthesizer Bundle

LE01 | Bass 808 Synth + AUv3 by Audiobus Pty Ltd

Create Deep Music and Sound

Editor's Choice

🎵 Music

4.8😐(1.1K ratings)

FreeAdsIn-App Purchases

LE01 | Bass 808 Synth + AUv3 screenshot 1

LE01 | Bass 808 Synth + AUv3 screenshot 2

LE01 | Bass 808 Synth + AUv3 screenshot 3

Create deep, earth-shattering bass lines and custom electronic drum sounds. This powerful synth offers a lightweight yet robust tool for musicians across various electronic genres. It functions as a standalone app and an AUv3 plugin, allowing for seamless integration into your existing music production workflow.

What We Love

🔥 Awesome bass sounds
👍 Simple and intuitive UI
💯 Great value for money
🔊 Powerful and rumbling bass
🎨 Highly customizable

Room to Improve

🔒 Subscription model
🐛 Crashes and glitches
🔇 Clipping/distortion issues
🔍 Presets locked behind paywall
🤯 Sudden changes to app functionality

VHS Synth | 80s Synthwave by Audiobus Pty Ltd

Lo-Fi & Chill with this AUv3

Strong Contender

🎵 Music

4.0😞(132 ratings)

FreeAdsIn-App Purchases

This app creates unique synth sounds by recording classic synths to VHS tape and then resampling them. It offers a vast library of presets and effects to achieve lo-fi, retro vibes for various music genres. An AUv3 plugin and standalone app are included.

What We Love

🎵 Excellent lo-fi and retro 80s sound quality
🎹 Extensive library of high-quality presets
💰 Affordable pricing (at original purchase)
🎨 Intuitive and clean interface design
🔊 Versatile sounds for multiple genres
⭐ Great value for money initially
🎼 Capable MIDI implementation
👨‍🎨 Featured preset artist (Mark Hupkins) creates exceptional sounds

Room to Improve

💸 Aggressive subscription model for previously purchased app
🔄 Conversion from AudioKit broke existing projects
📊 User data tracking added without clear benefit
🚫 Removed access to previously purchased presets/banks
😠 Lack of developer communication about changes
🎯 Disrespectful treatment of original AudioKit legacy
💼 Perceived as 'hijacking' of abandoned app
🤝 Loss of customer trust due to business model shift

AudioKit Digital D1 Synth by Audiobus Pty Ltd

80s 90s Music Synthesizer

Worth Considering

🎵 Music

4.8😊(2K ratings)

FreeAdsIn-App Purchases

This app is a virtual analog and PCM synthesizer for iPad, inspired by the digital synthesizers of the 80s and 90s. It offers a vast library of presets, advanced synthesis features, and built-in effects for creating rich, retro-inspired sounds.