Comparison

Decibel Meter vs Focus.AI

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

Head to head
About

Decibel Meter

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Precise sound level measurement in real time for reliable dB readings. This app delivers accurate dB analysis using advanced audio processing. Ideal for music, environmental noise, studio monitoring, construction sites, events, or everyday use. The app measures sound levels with high accuracy and displays clear, easy-to-read data in real time. Professional measurements powered by modern technology The app uses the latest iOS audio architecture in measurement mode to capture sound levels as accurately as possible without system filtering. The display updates continuously with stable and smooth measurement values. Main features - Real-time sound level measurement in dB - Supports the following measurement types: dB(A), dB(C), and dB SPL - Accurate readings thanks to measurement mode without signal alteration - Recording of measurement data, audio, photos, and video - Photo and video recording with measurement overlay - Simultaneous video recording with unprocessed audio signal - Minimalistic and intuitive interface - Clear peak and average value display - Reference table for quick interpretation - Stable history for long-term monitoring - Optimized for iPhone - Suitable for everyday use, work, and hobby applications Whether in a music studio, at a concert, in the office, in a workshop, or at home, this app helps analyze sound sources, assess volume levels, and document sound measurements. Perfect for audio engineers, musicians, content creators, teachers, craftsmen, event organizers, and anyone who requires accurate sound level readings. Advantages at a glance - High measurement accuracy - Clear and distraction-free display - Energy efficient and stable - Fast and reliable results Important: A reading of 0 dB is technically not achievable. See the reference table in the app for more details. -------------------- Offers in-app purchases and auto-renewable subscriptions to unlock PRO features and premium sound content. Subscription Terms: https://www.clidoapps.com/app/iap/ios/decibelmeterpro Privacy Policy: https://www.clidoapps.com/app/privacy/ios/decibelmeterpro Terms and Conditions / Terms of use: https://www.clidoapps.com/app/tac/ios/decibelmeterpro

About

Focus.AI

Features
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Focus.AI is a professional focus training and time management app that helps users build scientific focus habits and improve work and learning efficiency. Key Features: • Focus Timer: Focus training based on the Pomodoro Technique • Task Management: Smart task categorization and priority setting • Data Analytics: Detailed focus data analysis and visualization • Habit Building: Scientific habit tracking and motivation system • Meditation Guide: Built-in meditation exercises and relaxation techniques Perfect for: - Students: Improve learning focus and efficiency - Professionals: Optimize work time management - Freelancers: Establish regular work rhythms - Meditation enthusiasts: Assist meditation practice With Focus.AI, make every moment of focus more valuable and time management more efficient! Important Medical Disclaimer: The ADHD tendency analysis provided by this app is based solely on training data and is not a medical diagnosis. If you have any health concerns, please consult a qualified doctor or mental health professional. All medical decisions should be based on professional medical advice. Sources of Medical Information: • American Psychiatric Association (APA) - DSM-5 diagnostic criteria • National Institute of Mental Health (NIMH) - ADHD research • Centers for Disease Control and Prevention (CDC) - ADHD guidelines • Journal of Attention Disorders - academic research Note: This app is not a medical device and cannot replace professional medical advice, diagnosis, or treatment. Terms of Use : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Decibel Meter3 screens
Focus.AI4 screens

Verdict

The call

The clearest difference is update cadence: Focus.AI at every 3 days against Decibel Meter's every 4 weeks. Focus.AI also leads on device support (3 vs 1). On price, ads, in-app purchases 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 Meter sells 4 in-app purchases, starting at $4.99 per month and Focus.AI sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Decibel Meter ships an update every 4 weeks, Focus.AI every 3 days. Both last shipped on October 28, 2026.

Scorecard2 real differences · 4 level
Decibel Meter versus Focus.AI: the parameters behind the verdict, then further details
ParameterDecibel MeterFocus.AI
PriceFreeFree
Update frequencyEvery 4 weeksEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.016 — better
Further details — not scored
Size14 MB32 MB
Age rating4+4+
DeveloperNico Schroeder永生 刘

In-app purchases

4 purchases

Decibel Meter

Subscriptions3
  • One Month Premium$4.991 Month
  • One Week Premium3 Days trial$5.997 Days
  • One Year Premium3 Days trial$19.991 Year
One-time1
  • Lifetime Premium$29.99
3 purchases

Focus.AI

Subscriptions3
  • Monthly Plan$1.991 Month
  • Quarterly Plan$5.993 Months
  • Annual Plan$17.991 Year

Questions

Is Decibel Meter free?
Decibel Meter is free to download, with in-app purchases available.
Is Focus.AI free?
Focus.AI is free to download, with in-app purchases available.
Do Decibel Meter or Focus.AI have ads?
Both Decibel Meter and Focus.AI show ads.
Which is updated more often, Decibel Meter or Focus.AI?
Decibel Meter ships an update every 4 weeks, and Focus.AI every 3 days. Most recently, Decibel Meter was updated on October 28, 2026 and Focus.AI on October 28, 2026.

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