Comparison

ELRO Install vs Audio Frequency Analyzer

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

Head to head
About

ELRO Install

This application simplifies the setup and installation of specific ELRO IP camera models. It guides users through the process to quickly get their surveillance systems operational.

Highlights
  • Quick installation for ELRO IP cameras
  • Supports specific camera models
  • Streamlined setup process
  • User-friendly interface
Features
Read full description

Quick installation app voor the following ELRO IP cameras: C703IP.2 C704IP.2 C705IP C803IP.2 C903IP.2 C904IP.2

About

Audio Frequency Analyzer

This real-time audio analyzer measures and evaluates sound environments with 1/3 octave band frequency response and FFT analysis. It supports calibration for high accuracy and is suitable for various audio testing and tuning applications.

Highlights
  • Real-time frequency spectrum response measurement (1/3 octave, 30 bands)
  • FFT Analyzer
  • Observation frequency range: 20 - 23000 Hz
  • Calibration function for high accuracy
  • Supports built-in and external microphones
  • Snapshot and averaging functions
Read full description

"Audio Frequency Analyzer" is a powerful real-time audio analyzer (RTA) app for iPhone. With its simple operation, you can easily measure and evaluate your sound environment. This app measures the frequency response in 30 split band scale of 1/3 octave in real time. It can also display the FFT analysis results. It supports calibration for 1/3-octave bands. By adjusting the characteristics to match not only the built-in microphone but also your external microphone, it achieves high measurement accuracy. "Audio Frequency Analyzer" can be used for various applications, including sound room tuning, speaker settings, audio equipment testing, stage setup measurement, sound mixing environment evaluation and noise environment investigation. Features: - Frequency spectrum response measurement of 1/3 octave unit, 30 bands. (OCT) - FFT Analyzer (FFT) - Observation frequency range: 20 - 23000 Hz - Logarithmic amplitude display. - Touch-scroll function to adjust visible amplitude ranges. - Display the measured value of 1/3 oct bands at OCT mode. (dB@OCT) - Function to change the graph slope at FFT mode. (Slope): -3dB/oct (less than 1kHz), +3dB/oct (1kHz or higher) - Peak hold function. (Hold) - Average display function. (Avg): Time linear averaging. Fast-2.56sec, Slow-12.8 sec - Display response control. (Fast/Slow) - Reset of Measurement display position. (Scroll) - Snapshot of Measurement display. (Snap) - Calibration function in OCT mode. (Calibrate): 1/3 octave band offset and total offset setting. - Supports built-in microphone, headset microphone, and external digital audio connection. Note: The first time you access your microphone and photos after installing the app, the iOS system will ask you for permission to access them. If you have not enabled this setting, the app will not be able to access them due to iOS system privacy restrictions. Please enable the access permission in the iOS setting "Settings > Privacy & Security > Photos or Microphone". Please visit our iOS app support page for more information about this app.

Screenshots

ELRO Install4 screens
Audio Frequency Analyzer4 screens

Verdict

The call

The clearest difference is review sentiment: Audio Frequency Analyzer at 60% against ELRO Install's 9%. ELRO Install's advantage is price (Free vs $9.99) and update cadence (every 2 months vs every 8 months). On ads and in-app purchases there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

ELRO Install is free to download; Audio Frequency Analyzer costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

ELRO Install ships an update every 2 months, Audio Frequency Analyzer every 8 months. The most recent releases landed on October 7, 2026 and September 26, 2026 respectively.

Scorecard6 real differences · 4 level
ELRO Install versus Audio Frequency Analyzer: the parameters behind the verdict, then further details
ParameterELRO InstallAudio Frequency Analyzer
PriceFree — better$9.99
Rating—3.7 (3 ratings) — better
Positive reviews9.4% of reviews60.0% of reviews — better
Number of ratings—3 — better
Update frequencyEvery 2 months — betterEvery 8 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS8.0 — better26.2
Further details — not scored
Size25 MB0 MB
Age rating4+4+
DeveloperSmartwares Safety & Lighting BVTOON,LLC

Customer experience

ELRO Install

Written reviews85 reviews
Positive9.4%
Neutral8.2%
Negative82.4%

Audio Frequency Analyzer

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews10 reviews
Positive60.0%
Neutral20.0%
Negative20.0%

In-app purchases

None

ELRO Install

No in-app purchases

None

Audio Frequency Analyzer

No in-app purchases

Questions

Is ELRO Install free?
ELRO Install is free to download, with no in-app purchases.
Is Audio Frequency Analyzer free?
Audio Frequency Analyzer costs $9.99, with no in-app purchases.
Do ELRO Install or Audio Frequency Analyzer have ads?
Neither ELRO Install nor Audio Frequency Analyzer shows ads.
Which is updated more often, ELRO Install or Audio Frequency Analyzer?
ELRO Install ships an update every 2 months, and Audio Frequency Analyzer every 8 months. Most recently, ELRO Install was updated on October 7, 2026 and Audio Frequency Analyzer on September 26, 2026.

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