# ExtremeBooster > ExtremeBooster (iPhone/iPad app by ONDER OZTURK.) - Source: https://appshunter.io/ios/app/extremebooster/id6761359115 (this page in markdown: same URL + `.md`) - Developer: [ONDER OZTURK](https://appshunter.io/developer/1529592602) - Category: Utilities, Music - Price: Free with in-app purchases - Age rating: 4+ - Requires: iOS 16.0 · 12 MB - Languages: American English - Released: 2026-04-19 - Data updated: 2026-06-09 - User reviews in markdown: https://appshunter.io/ios/app/extremebooster/id6761359115/reviews.md ## What is ExtremeBooster? ExtremeBooster is the ultimate sound amplifier and equalizer for iPhone. Boost your device volume up to 200% safely and customize your audio experience with professional tools. VOLUME AMPLIFIER • Increase your iPhone volume up to 200% with a smooth rotary knob control • Real-time audio processing with anti-clipping protection • Adaptive sound technology automatically adjusts levels for optimal listening 6-BAND EQUALIZER • Professional EQ with bands from 31Hz to 16kHz • 33 handcrafted presets: Rock, Electronic, Bass, Hip Hop, Jazz, Metal, Classical, Vocal Boost, and many more • Fine-tune each band manually for a personalized sound profile SUPER BASS • Deep, powerful bass enhancement technology • One-tap bass boost for instant impact • Works with any audio source SOUNDCLOUD INTEGRATION • Search and stream millions of songs directly within the app • Save your favorites for quick access • Full playback controls with background audio support MICROPHONE TO BLUETOOTH • Route microphone audio to Bluetooth headphones in real-time • Perfect for hearing assistance and audio monitoring AUDIO MODES • Normal, Super Bass, Voice Boost, Clear Voice, and Outdoor modes • Switch instantly based on your environment CUSTOMIZATION • 10+ stunning themes: Cyberpunk, Ocean, Neon Blue, Sunset, and more • RGB edge lighting effects synchronized with your music • Music spectrum visualization 24 LANGUAGES Turkish, English, German, French, Spanish, Portuguese, Russian, Japanese, Korean, Arabic, Indonesian, Thai, Polish, Ukrainian, Persian, Hindi, Bengali, Urdu, Malay, Filipino, Zulu, Uzbek, Italian, and Afrikaans. PREMIUM FEATURES Subscribe to unlock the full experience: • Volume boost beyond 100% • Full equalizer access with all 33 presets • Super Bass and Microphone routing • Ad-free experience • All themes and edge lighting Start with a free 3-day trial — experience all features before you decide. SUBSCRIPTION INFO • Payment will be charged to your Apple Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period • Your account will be charged for renewal within 24 hours prior to the end of the current period • You can manage and cancel your subscriptions in your Apple Account settings Privacy Policy: https://api.kerege.net/ExtremeBooster/PrivacyPolicy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Requirements: iOS 16.0 or later. Compatible with iPhone and iPad. ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Yearly Premium2 | $14.99 | per year | | Monthly Premium3 | $2.99 | per month | ## Version history (last 1 release) ### 1.0.0 — 2026-04-20 No release notes. ## More apps by ONDER OZTURK - [KSBU Mobil](https://appshunter.io/ios/app/ksbu-mobil/id1529592600) All apps by ONDER OZTURK: https://appshunter.io/developer/1529592602 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-09.*