Comparison

Audio Techniques|Speaker Test vs RC690

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Audio Techniques|Speaker Test

Features
Read full description

Audio Techniques | Speaker Test A professional audio testing toolkit for sound engineers, AV installers, and audio enthusiasts. Test Signals Play pink noise, frequency sweeps, clicks, and 1kHz sine wave test tones with polarity flip to verify speaker wiring and phase alignment. Real-Time Analyzer (RTA) 31-band 1/3-octave spectrum analyzer with peak frequency detection. Measure room acoustics, identify feedback frequencies, and verify system response in real time. Noise Generator Generate white, pink, or brown noise for speaker testing, room tuning, and sound masking. Tone Generator Sweep from 20 Hz to 20 kHz with sine or square wave output. Preset frequencies for quick access. Verify driver response, find resonances, and test frequency range. Key Features • Polarity test with L/R channel inversion • 31-band 1/3-octave RTA with peak hold • White, pink, and brown noise generation • Sine and square wave tone generator with logarithmic frequency control • Preset frequency buttons for common test points • Clean, intuitive interface designed for field use

About

RC690

Features
Read full description

DOD RC690 APP is compatible with Model RC690 from DOD Tech. This APP can connect and control your DOD dash cam. You can also quickly review, download, and share your recorded videos. Features: - Real-time streaming - Take snap shot of desired scene. - Playback recorded videos and photos. - Download desired files to your smart device. - Share your videos or photos. - Change your dash cam settings.

Screenshots

Audio Techniques|Speaker Test4 screens
RC6901 screens

Verdict

The call

The clearest difference is price: RC690 at Free against Audio Techniques|Speaker Test's $1.99. RC690 also leads on update cadence (every 4 days vs every 7 months) and iOS requirement (8.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

RC690 is free to download; Audio Techniques|Speaker Test costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Audio Techniques|Speaker Test ships an update every 7 months, RC690 every 4 days. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

Scorecard3 real differences Ā· 3 level
Audio Techniques|Speaker Test versus RC690: the parameters behind the verdict, then further details
ParameterAudio Techniques|Speaker TestRC690
Price$1.99Free — better
Update frequencyEvery 7 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS26.08.0 — better
Further details — not scored
Size37 MB35 MB
Age rating4+4+
DeveloperDavid MickeyDOD Tech Co.,Ltd.

In-app purchases

None

Audio Techniques|Speaker Test

No in-app purchases

None

RC690

No in-app purchases

Questions

Is Audio Techniques|Speaker Test free?
Audio Techniques|Speaker Test costs $1.99, with no in-app purchases.
Is RC690 free?
RC690 is free to download, with no in-app purchases.
Do Audio Techniques|Speaker Test or RC690 have ads?
Neither Audio Techniques|Speaker Test nor RC690 shows ads.
Which is updated more often, Audio Techniques|Speaker Test or RC690?
Audio Techniques|Speaker Test ships an update every 7 months, and RC690 every 4 days. Most recently, Audio Techniques|Speaker Test was updated on October 4, 2026 and RC690 on September 28, 2026.

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