TheoMeter vs Speaker Toolkit
Price, ratings, monetisation and update history for both apps, side by side β 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.
Speaker Toolkit
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A pocket audio lab for testing and exercising your iPhone speaker. Every tool generates sound locally β no microphone, no network, no account. β’ Speaker Cleaner β preset sweeps that may help dislodge loose water or dust. β’ Air Blower β shaped wind noise, four power levels. β’ Frequency Generator β 20 Hz to 20 kHz with live oscilloscope. β’ Speaker Test β Left, Right, Stereo, Bass, Treble diagnostics. β’ Noise Lab β White, Pink, Brown noise. Sound waves, not magic. Cannot repair damaged hardware.
Screenshots
Verdict
The clearest difference is iOS requirement: Speaker Toolkit at 15.0 against TheoMeter's 17.0. On price, ads, in-app purchases and device support there is nothing between them.
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 | TheoMeter | Speaker Toolkit |
|---|---|---|
| Price | Free | Free |
| Update frequency | β | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 2 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Frankie Wellman | Dang Van Thanh |
In-app purchases
TheoMeter
No in-app purchases
Speaker Toolkit
No in-app purchases





