Comparison

Spectrum vs RadarTools

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

Head to head
About

Spectrum

Features
Read full description

Turn your iPhone or iPad into a professional audio tool. Spectrum-V lets you measure, visualize, and explore sound with precision β€” perfect for musicians, audio engineers, and enthusiasts. Key Features β€’ Waveform Analyzer – Monitor live audio waveforms directly from the microphone. β€’ Spectrum Analyzer (FFT) – View frequency distribution with a fast and colorful FFT spectrum. β€’ Spectrogram (Waterfall) – Explore sound energy over time with a vivid spectrogram display. β€’ dB Meter – Check sound levels instantly with a responsive decibel meter (dBFS). β€’ Tuner – Detect pitch and musical notes in real time β€” great for guitar, vocals, or any instrument. Spectrum-V combines simplicity with powerful analysis tools, making it easy to visualize sound whether you’re practicing music, testing acoustics, or just exploring the audio world.

About

RadarTools

Read full description

The presence sensor is connected via Bluetooth, open the APP to make the presence sensor output time and execution conditions settings, the APP interface is simple and the settings are easy to understand.

Screenshots

Spectrum4 screens
RadarTools4 screens

Verdict

The call

The clearest difference is price: RadarTools at Free against Spectrum's $5.99. RadarTools also leads on in-app purchases (none vs 1) and iOS requirement (13.0 vs 15.0). Spectrum's advantage is update cadence (every 2 weeks vs every 5 months). On ads 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

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

RadarTools is free to download; Spectrum costs $5.99 up front. Spectrum sells 1 one-off in-app purchase. RadarTools asks for nothing beyond the download.

UpkeepUpdate frequency

Spectrum ships an update every 2 weeks, RadarTools every 5 months. The most recent releases landed on September 12, 2026 and September 10, 2026 respectively.

Scorecard4 real differences Β· 2 level
Spectrum versus RadarTools: the parameters behind the verdict, then further details
ParameterSpectrumRadarTools
Price$5.99Free β€” better
Update frequencyEvery 2 weeks β€” betterEvery 5 months
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhone, iPad, iPod β€” betteriPhone, iPod
Requires iOS15.013.0 β€” better
Further details β€” not scored
Size10 MB10 MB
Age rating4+17+
DeveloperVictor SerovShenzhen Hi-Link Electronic co.,Ltd

In-app purchases

1 purchases

Spectrum

One-time1
  • Pro version$0.99
None

RadarTools

No in-app purchases

Questions

Is Spectrum free?
Spectrum costs $5.99, and also offers in-app purchases.
Is RadarTools free?
RadarTools is free to download, with no in-app purchases.
Do Spectrum or RadarTools have ads?
Neither Spectrum nor RadarTools shows ads.
Which is updated more often, Spectrum or RadarTools?
Spectrum ships an update every 2 weeks, and RadarTools every 5 months. Most recently, Spectrum was updated on September 12, 2026 and RadarTools on September 10, 2026.

Other comparisons