Comparison

Decibel vs LeztLearn

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

Head to head
About

Decibel

This app provides precise noise measurement with a real-time decibel gauge and a frequency analyzer for detailed acoustic analysis. It tracks minimum, average, and maximum levels, offering historical graphs for sound fluctuations. Ideal for professionals and enthusiasts needing accurate sound monitoring.

Highlights
  • Real-time decibel gauge
  • Frequency analyzer (Hz)
  • Min/Avg/Max decibel values
  • Historical decibel graph
  • Acoustic analysis tool
  • Environmental noise monitoring
Features
Read full description

The Decibel Meter app is designed for professionals and enthusiasts alike, with features that allow for precise noise measurement across a variety of environments. Equipped with a Frequency Analyzer, this app goes beyond simple decibel readings by offering the ability to measure the intensity of specific frequencies in hertz (Hz), making it an essential tool for tasks like acoustic analysis or environmental noise monitoring. Key Features of the Decibel Meter app include: • Decibel Gauge: A real-time visual representation of noise levels, perfect for quick assessments. • Noise Reference: Instantly displays current noise intensity for immediate feedback. • Min/Avg/Max Values: Shows the minimum, average, and maximum decibel levels during a session, providing comprehensive data. • Frequency Analyzer: Enables the selection of specific frequencies (Hz) for precise dB measurements, ideal for focused sound source analysis. • Graphical Representation: A historical graph tracks decibel levels over time, offering a detailed view of sound fluctuations. Whether you're monitoring a workplace for occupational noise compliance, or conducting an acoustic tuning of musical instruments, this app provides the precision and flexibility needed for all your sound measurement needs. The Frequency Analyzer further enhances this by giving you control over the specific frequencies you wish to analyze, helping you pinpoint noise issues in any environment. By incorporating decibel meter, frequency analysis, and sound level monitoring, this app ensures that users receive the most accurate and tailored sound measurements possible. Auto-Renewable Subscription Terms: - The payment will be charged to your Apple ID Account at confirmation of purchase. - The subscription renews automatically unless the auto-renew is turned off at least 24 hours before the end of the current billing period. - Your account will be charged for renewal within 24 hours before the end of your selected subscription. - Your subscriptions can be managed, and auto-renewal can be turned off by going to your App Store Account Settings. Terms: https://sunshine-dev.com/?page_id=98

About

LeztLearn

Features
Read full description

LëtzLearn t’aide à apprendre le luxembourgeois naturellement, en parlant. L’application te propose des conversations vocales guidées avec une IA pédagogique qui t’écoute, te corrige et t’encourage pas à pas. Tu peux pratiquer des situations utiles du quotidien : se présenter, commander au restaurant, demander son chemin, parler au travail, faire les courses ou simplement discuter librement. Pensée pour les débutants et les apprenants qui veulent gagner en confiance, LëtzLearn adapte les échanges à ton niveau. L’IA peut expliquer dans ta langue pour t’aider à mieux comprendre, puis te faire répéter les phrases importantes en luxembourgeois.

Screenshots

Decibel4 screens
LeztLearn4 screens

Verdict

The call

The clearest difference is in-app purchases: LeztLearn at none against Decibel's 5. Decibel's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement 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. Decibel sells 5 in-app purchases, starting at $9.99 per year. LeztLearn asks for nothing beyond the download.

UpkeepUpdate frequency

Decibel ships an update every 2 weeks, LeztLearn every 3 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

Scorecard2 real differences · 8 level
Decibel versus LeztLearn: the parameters behind the verdict, then further details
ParameterDecibelLeztLearn
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 2 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size18 MB29 MB
Age rating4+4+
DeveloperSunshine Software LabsMI-TECH SARLU

In-app purchases

5 purchases

Decibel

Subscriptions5
  • Get Premium Annual Offer$9.991 Year
  • 3 Days Free Trial Weekly VIP3 Days trial$9.997 Days
  • Get Premium Monthly$19.991 Month
Show 2 more
  • 7 Day Free Yearly VIP7 Days trial$29.991 Year
  • Get Premium Annual$49.991 Year
None

LeztLearn

No in-app purchases

Questions

Is Decibel free?
Decibel is free to download, with in-app purchases available.
Is LeztLearn free?
LeztLearn is free to download, with no in-app purchases.
Do Decibel or LeztLearn have ads?
Neither Decibel nor LeztLearn shows ads.
Which is updated more often, Decibel or LeztLearn?
Decibel ships an update every 2 weeks, and LeztLearn every 3 months. Most recently, Decibel was updated on October 1, 2026 and LeztLearn on October 5, 2026.

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