Microphone Amplifier vs Three9x
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Microphone Amplifier
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Microphone Amplifier β Live is a powerful sound amplifier and microphone booster app designed to enhance your voice in real time. Whether you're using a wireless microphone, bluetooth microphone, or your phoneβs built-in microphone, this app amplifies your sound clearly and effectively. Turn your device into a portable voice amplifier or even a mini megaphone. This live mic is perfect for teachers, presentations, karaoke sessions, and public speaking, ensuring your voice reaches everyone with clarity. It works seamlessly with Bluetooth speakers with microphones, making it ideal for karaoke setups and speaker-microphone combinations. With advanced sound controls, you can boost volume, improve clarity, and reduce background noise effortlessly. Use it as a wireless voice amp for teaching, a microphone and speaker for content creation, or a live voice tool for streaming and communication. Easily connect your bluetooth microphone, portable microphone, or mobile mic and enjoy real-time audio enhancement with minimal delay. You can also use it as a music equalizer to fine-tune your sound and enhance your listening experience. Built for convenience, the app features a clean and user-friendly interface that lets you amplify sound in just a few taps. Whether you need a portable speaker with microphone, a karaoke microphone, or a wireless voice amplifier for teachers, this phone microphone app has you covered. Key Features β β’ Real-time pocket microphone amplifier and mic booster β’ Powerful sound amplifier with volume boost β’ Supports bluetooth microphone and wireless microphone β’ Use as a karaoke speaker or megaphone microphone β’ Smooth and low-latency mic amplifier experience β’ Simple and user-friendly interface Upgrade your audio experience with Microphone Amplifier β Live and turn your phone into a complete microphone and speaker solution anytime, anywhere.
Three9x
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Use THREE9X APP to pair and synchronize smart glasses with mobile phones. Main functions: [Glasses operation] Connect the mobile phone and glasses via Bluetooth pairing to achieve precise control of the glasses system, such as adjusting volume, gesture settings, glasses system updates, etc. [Photo/video transmission] Use the glasses WIFI module to launch hotspots, support exporting, synchronizing, viewing, editing, sharing, and saving photos and videos taken by the glasses on the mobile phone; [AI voice assistant] Connect to the AI ββbig model, and realize AI question and answer and AI object recognition under Bluetooth connection;
Screenshots
Verdict
Microphone Amplifier and Three9x are too close to call on the numbers: across 5 compared parameters β price, ads, in-app purchases and device support among them β neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Microphone Amplifier | Three9x |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod β better | iPhone, iPod |
| Requires iOS | 14.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 13 MB | 496 MB |
| Age rating | 4+ | 4+ |
| Developer | Vaghani Keyur | THREE9X (SMC-PRIVATE) LIMITED |
In-app purchases
Microphone Amplifier
No in-app purchases
Three9x
No in-app purchases









