Comparison

Tielt vs Frequency Analyzer

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

Head to head
About

Tielt

Features
Read full description

Mijn Burgerprofiel Tielt is hét online overheidsloket. Volg via de app je dossiers op, blijf op de hoogte van recent nieuws, ontvang eBox documenten, vraag attesten aan en gebruik je persoonlijke wallet. Het is de gemakkelijkste manier om je zaken met de overheid te regelen, waar en wanneer je maar wil. Het is je persoonlijk overzicht van al je overheidszaken. De app houdt je ook op de hoogte als er nieuws is. Je vindt er ook lokale evenementen en vacatures op terug. Iedereen die in Tielt woont en ouder is dan 12 jaar kan de app gebruiken. Alle functionaliteiten van de algemene app Mijn Burgerprofiel van de Vlaamse overheid zijn ook terug te vinden in de versie van Tielt.

About

Frequency Analyzer

Transform your device into a professional sound level meter, spectrum analyzer, and noise dosimeter. Ideal for fieldwork, inspections, and detailed acoustic measurements with real-time data and exportable reports.

Highlights
  • Real-time SPL meter with A, C, Z weighting
  • FFT spectrum and scrolling spectrogram
  • Noise dosimeter for exposure tracking
  • Octave-band analysis
  • Reference tone generator
  • CSV, PNG, and PDF report export
Features
Read full description

Turn your iPhone into a calibrated sound level meter, spectrum analyzer, and noise dosimeter. Built for fieldwork, inspections, and everyday measurements. Whether you are tuning a room, surveying noise on a job site, or checking workplace exposure, Frequency Analyzer gives you the data you need. REAL-TIME SOUND LEVEL METER - Live SPL readout with A, C, and Z weighting plus linear response - Fast (125 ms), Slow (1 s), and custom time averaging - Min, max, average, peak, and LAeq displayed continuously - Configurable reference calibration so your readings match a known source SPECTRUM AND SPECTROGRAM - Real-time FFT spectrum from 20 Hz to 20 kHz, linear or logarithmic axis - Scrolling spectrogram with selectable colormap and peak-hold markers - Octave-band view at 1/1, 1/3, 1/6, or 1/12 resolution - Classic oscilloscope waveform with adjustable time window - Amplitude-over-time history for slow trends across hours NOISE DOSIMETER Track noise exposure against NIOSH and OSHA criteria or a custom standard you define. The app accumulates dose throughout your shift, projects your 8-hour exposure, and reports the time-weighted average. Add event notes and export a PDF report with stats and graphs. REPORTS AND EXPORT - Reference tone generator from 20 Hz to 20 kHz for signal checks - CSV time-series exports for spreadsheets and analysis tools - Spectrogram PNG snapshots at configurable resolution - PDF reports with session statistics, charts, and event markers - Calibration and preferences stored locally on your device PRIVATE BY DESIGN Everything runs on your device. There is no account, no login, and microphone audio does not leave your phone. Sessions, notes, calibration data, and preferences stay in local storage. HOW TO USE 1. Grant microphone access and run the quick calibration walkthrough 2. Choose Analyzer, dB Meter, or Dosimeter from the tab bar 3. Use spectrum, spectrogram, waveform, octave, or amplitude history 4. Watch dose, peak, average, and frequency readings as you measure 5. Export CSV, PNG, or a PDF report when you need results Built for acousticians, safety officers, HVAC inspectors, musicians, and students who want serious acoustic measurement in their pocket. Free to download. Some features require a premium purchase. Privacy Policy: https://estifie.com/apps/frequencyanalyzer/privacy-policy Terms of Use: https://estifie.com/apps/frequencyanalyzer/terms-of-use

Screenshots

Tielt4 screens
Frequency Analyzer4 screens

Verdict

The call

The clearest difference is in-app purchases: Tielt at none against Frequency Analyzer's 2. Tielt also leads on iOS requirement (15.1 vs 17.6). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Frequency Analyzer sells 2 in-app purchases, starting at $4.99 per 7 days. Tielt asks for nothing beyond the download.

UpkeepUpdate frequency

Tielt ships an update every 2 weeks, Frequency Analyzer fortnightly. The most recent releases landed on October 7, 2026 and October 21, 2026 respectively.

Scorecard2 real differences · 7 level
Tielt versus Frequency Analyzer: the parameters behind the verdict, then further details
ParameterTieltFrequency Analyzer
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 weeks — betterFortnightly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.1 — better17.6
Further details — not scored
Size68 MB9 MB
Age rating12+4+
DeveloperVlaamse overheidErtugrul Sari

In-app purchases

None

Tielt

No in-app purchases

2 purchases

Frequency Analyzer

Subscriptions1
  • Weekly Subscription3 Days trial$4.997 Days
One-time1
  • Lifetime Access$19.99

Questions

Is Tielt free?
Tielt is free to download, with no in-app purchases.
Is Frequency Analyzer free?
Frequency Analyzer is free to download, with in-app purchases available.
Do Tielt or Frequency Analyzer have ads?
Neither Tielt nor Frequency Analyzer shows ads.
Which is updated more often, Tielt or Frequency Analyzer?
Tielt ships an update every 2 weeks, and Frequency Analyzer fortnightly. Most recently, Tielt was updated on October 7, 2026 and Frequency Analyzer on October 21, 2026.

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