STEELMAN vs Decibel Meter dB Spectrum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
STEELMAN
This app transforms your iOS device into a sound and vibration detection tool. It helps pinpoint defective or worn parts in vehicles and machinery by analyzing rattles, squeaks, and grinding sounds. Requires additional hardware for full functionality.
- Sound and vibration detection
- Pinpoints defective parts
- User-friendly interface
- Analog and digital readings
- Selectable audio/vibration input
- 10-band frequency equalizer
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Developed for the service technician in mind the STEELMAN SmartEAR1 Sound & Vibration Detection app will assist in locating and pinpointing defective or worn parts in automobiles, heavy machinery or industrial equipment. When used to diagnose vibration, rattles, squeaks and grinding sounds the SmartEAR1 will simplify the task of locating and pinpointing the troubled area or part with ease. When used with our specially designed hardware kits your iOS device will be able to transform into a state of the art Sound & Vibration Detection Tool allowing for ease of locating and pinpointing those hard to find troubled areas or parts. ****NOTE: Additional hardware is required to use this app. For additional information on where to purchase this hardware, please visit https://www.jsproductsinc.com Features: User friendly interface and intuitive operation. Sound level reading displays average, peak and real-time values. Sound level readings are displayed in either Analog or Digital. Analog and Digital readings have 2 display panels the user can choose from. Analog Meter or Analog Wave-Form. Digital Numeric or Digital Bar Graph. Background sound off-setting, sample rates, decibel off-setting can be manually be set. Selectable Audio Sound or Vibration input modes. ****Sound Wand & Sensor Clamp Hardware required**** Reset/Refresh buttons reset/refresh values to default settings. Sound Level Reading Sampling Rate Decibel Off-set Master Volume Control 10 Band Frequency Equalizer allows for HQ sound detection. User information guide includes informative facts about sound perception and permissible noise level exposure as well as a sound level comparison reference chart. Additional Information: Required: Any iOS device running iOS5.0+. Recommended: iPhone 4 and newer/ iPod Touch 4 and newer. Compatible: iPad 2 and newer.
Decibel Meter dB Spectrum
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Desi is the ultimate sound level meter app that brings laboratory-precision noise measurement to your iOS device. Whether you're protecting your hearing, monitoring workplace compliance, or simply curious about your acoustic environment, Desi delivers accurate, real-time decibel readings with stunning visual clarity. Professional Accuracy Calibrated SPL measurements from 30-130 dBA Multiple frequency weighting filters (A, B, C, Z, ITU-R 468) Variable time weighting (SLOW, FAST, IMPULSE) Pre-calibrated for Apple devices with custom calibration support Advanced Analytics Real-time FFT spectrum analysis Live waveform visualization Dominant frequency detection Professional-grade audio processing at 44.1kHz Health & Safety Features Daily noise exposure tracking with TWA calculations HealthKit integration for hearing health monitoring OSHA/NIOSH compliance monitoring Beautiful Interface Multiple stunning display modes: Digital, Analog, FFT, Spectrum Color-coded level indicators for instant recognition Smart Recording Save and analyze measurement sessions Comprehensive history with search functionality Premium Features: - Record unlimited measurement sessions - Full access to recording history and session management -Access to all meter types: Analog, Digital, FFT, and Spectrum Privacy & Security Your data stays yours. Desi processes all audio locally on your device with no cloud processing. Optional HealthKit integration puts you in complete control of your health data sharing. Privacy Policy: https://docs.google.com/document/d/1pxwLuTzWKrYfWHWi58DcdwJlvMhyv4r1GUXKPAGUZao/edit?usp=sharing Terms of Use: https://docs.google.com/document/d/1a5P-1lgEMU5jyKjzAzVjD7_UvhT4yYPhnZofhpV0mTc/edit?usp=sharing
Screenshots
Verdict
The clearest difference is in-app purchases: STEELMAN at none against Decibel Meter dB Spectrum's 4. STEELMAN also leads on iOS requirement (9.0 vs 16.0). Decibel Meter dB Spectrum's advantage is update cadence (every 6 months vs every 22 months). On price, ads and device support 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
Both are free to download. Decibel Meter dB Spectrum sells 4 in-app purchases, starting at $2.99 per 7 days. STEELMAN asks for nothing beyond the download.
STEELMAN ships an update every 22 months, Decibel Meter dB Spectrum every 6 months. The most recent releases landed on November 1, 2026 and October 20, 2026 respectively.
| Parameter | STEELMAN | Decibel Meter dB Spectrum |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 22 months | Every 6 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 9.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 19 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | JS Products, Inc. | Ahmet Giray Ucar |
In-app purchases
STEELMAN
No in-app purchases
Decibel Meter dB Spectrum
- Desibel Weekly Discounted$2.997 Days
- Desibel Meter Pro Weekly$3.997 Days
- Desibe Meter Pro Monthly$9.991 Month
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- Desibel Meter Pro Yearly$29.991 Year
Questions
Is STEELMAN free?
Is Decibel Meter dB Spectrum free?
Do STEELMAN or Decibel Meter dB Spectrum have ads?
Which is updated more often, STEELMAN or Decibel Meter dB Spectrum?
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