TheoMeter vs MegaMic!
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TheoMeter
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TheoMeter helps you monitor sound levels, view live frequency spectrum activity, and document setup conditions from your iPhone. Designed for public-event and auditorium sound checks, TheoMeter combines a live dB meter with spectrum analysis tools, photo documentation, saved sessions, and exportable data. Use it to quickly understand room noise, monitor target levels, track peaks, and capture setup photos with optional dB overlays. Features include: -Live sound level meter with dBA, dBC, and dBZ weighting -Real-time frequency spectrum display -RTA bars, spline, and spectrogram views -Dominant frequency and selected band tracking -Fast, slow, and impulse response options -Leq, average, max, peak, and session duration stats -Dosimeter-style noise exposure view -Camera mode with sound-level overlay and filters -Save and export session data -Calibration offset controls -Clean navy, yellow, and white professional interface TheoMeter is ideal for sound technicians, event volunteers, venue setup teams, educators, presenters, and anyone who needs a clear view of sound levels and frequency behavior in a room. Note: TheoMeter uses the iPhone microphone for practical sound analysis. For compliance-grade measurements, use a professionally calibrated sound level meter.
MegaMic!
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Turn your iPhone into a wireless microphone with MegaMic. Connect your iPhone to a Bluetooth speaker, tap Start, and speak. MegaMic sends your voice through the connected speaker, giving you a simple way to use your iPhone as a microphone. Whether you are making announcements, teaching a class, giving a presentation, hosting an event, or simply need a microphone for your Bluetooth speaker, MegaMic keeps things simple. BLUETOOTH MICROPHONE Use your iPhone as a microphone for your connected Bluetooth speaker. Connect your speaker, start the microphone, and speak naturally. Your voice is played through the connected speaker while MegaMic is running. MICROPHONE GAIN Adjust the microphone gain to find the right input level for your environment. Use the slider to increase or decrease microphone sensitivity and get the sound level you need. SIMPLE CONTROLS MegaMic is designed around a simple experience: Connect your speaker -> Start -> Speak -> Stop No complicated setup. Just the controls you need. LIVE VOICE TRANSLATOR MegaMic also includes an optional voice translation feature. Choose a source language and a target language, speak, and MegaMic translates your speech. The translated voice can then be played through your connected Bluetooth speaker. The translator is an additional feature. MegaMic's primary purpose is to provide a simple Bluetooth microphone experience. GREAT FOR Presentations Classrooms Meetings Events and gatherings Public announcements Teaching and demonstrations Bluetooth speaker amplification Travel and communication MegaMic brings microphone functionality and optional voice translation together in one simple app. Note: Microphone and speech recognition features require the appropriate device permissions. Translation features may require an internet connection.
Screenshots
Verdict
The clearest difference is ads: TheoMeter at none against MegaMic!'s shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | TheoMeter | MegaMic! |
|---|---|---|
| Price | Free | Free |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad โ better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details โ not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Frankie Wellman | Surya Teja |
In-app purchases
TheoMeter
No in-app purchases
MegaMic!
No in-app purchases









