Comparison

Decibels vs AE Note

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

Head to head
About

Decibels

Measure and analyze ambient noise levels with a stylish interface. Capture photos with sound level data, and share or print your findings. Enhance analysis with advanced features like frequency weighting and chart recording through an in-app purchase.

Highlights
  • Analog dB(A) display
  • Photo with sound level
  • Share/print/store photos
  • Select frequency weightings (A, C, Z)
  • Record decibels on strip charts
  • Annotate strip charts
Features
Read full description

Want to know what noise level is around you? in the restaurant? in the train? in the office? This app will show you with precision & style. Features: - Smooth analog display of dB(A) - Take photo with sound level display - Share, print, and store sound level photos Extra Features (with purchase): - Select frequency weightings A, C, and Z - Record decibels on beautiful strip charts - Annotate the strip charts - Share, print, and store the strip charts This app uses the internal microphone to estimate the sound pressure level in decibels (dB SPL). Examples: - quiet bedroom at night: 30 dB - average home: 50 dB - vacuum cleaner, 1m away: 70 dB - jet aircraft, 50 m away: 140 dB

About

AE Note

Features
Read full description

AENote: Your Ultimate Note-Taking Companion Unleash your productivity with AENote, the powerful and intuitive note editor designed to simplify your life. Whether you're jotting down quick ideas, organizing tasks, or managing extensive projects, AENote has you covered with its comprehensive set of features. Key Features: Effortless Note Management: Create, update, and organize notes with ease. Advanced Editing Tools: Enjoy full access to powerful note editor functionalities, including formatting, organizing, and customizing your content. Seamless Organization: Keep your thoughts structured and your tasks prioritized. Offline Access: Work on your notes anytime, anywhere—no internet required. Upgrade to Premium: Take your note-taking experience to the next level with the Premium plan: Enable Cloud Sync to securely back up your notes. -Access your notes across multiple devices with seamless multi-device functionality. - Protect your daily account passwords and notepad entries with advanced encryption. - Auto-renewable subscription. - The subscription automatically renew unless auto-renewed is turned off at least 24-hours before the end of the current period. - Turn off auto-renew at any time from your iTunes account setting up until 24-hours before the end of the current period. - No cancellation of the current subscription is allowed during the active subscription period. - Your AENote app is available for four subscriptions, which are as follows - 1. Basic Monthly Plan - Provides full access to all note editor features, allowing users to create, organize, and manage their notes effortlessly. 2. Premium Monthly Plan - Full access to all note editor features, user can create, organise and manage your notes effortlessly. As well as cloud sync functionality is enabled and multi device access. 3. Basic Yearly Plan - Provides full access to all note editor features, allowing users to create, organize, and manage their notes effortlessly. 4. Premium Yearly Plan - Includes full access to all note editor features, enabling users to create, organize, and manage their notes effortlessly. Additionally, it offers cloud sync functionality and multi-device access. Privacy policy: https://aeedison.com/privacy-policy?language=en Terms of use: https://aeedison.com/team?language=en

Screenshots

Decibels3 screens
AE Note4 screens

Verdict

The call

The clearest difference is update cadence: Decibels at weekly against AE Note's monthly. Decibels also leads on iOS requirement (11.0 vs 16.4). On price, ads, in-app purchases 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. Decibels sells 2 one-off in-app purchases and AE Note sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Decibels ships an update weekly, AE Note monthly. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 8 level
Decibels versus AE Note: the parameters behind the verdict, then further details
ParameterDecibelsAE Note
PriceFreeFree
Rating4.6 (261 ratings) — better—
Positive reviews66.9% of reviews—
Number of ratings261 — better—
Update frequencyWeekly — betterMonthly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS11.0 — better16.4
Further details — not scored
Size18 MB59 MB
Age rating4+17+
DeveloperDavid BannachAEDISON TECHNOLOGY PTE. LTD.

Bugs and requests

Decibels

Reported bugs

3 issues
  • Crashes when trying to save images
  • Compatibility issues with newer iOS versions
  • Needle getting stuck at certain levels

Requested features

5 requests
  • Digital readout in addition to analog meter
  • Ability to save/export measurement history
  • Support for different weighting scales (A, C, Z)
  • Landscape mode support
  • Customizable appearance options

AE Note

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Decibels

One-time2
  • Professional Controls$1.99
  • Beautiful Strip Chart Recorder$2.99
4 purchases

AE Note

Subscriptions4
  • Basic Monthly Plan$4.991 Month
  • Premium Monthly Plan$19.991 Month
  • Basic Yearly Plan$56.991 Year
Show 1 more
  • Premium Yearly Plan$99.991 Year

Questions

Is Decibels free?
Decibels is free to download, with in-app purchases available.
Is AE Note free?
AE Note is free to download, with in-app purchases available.
Do Decibels or AE Note have ads?
Neither Decibels nor AE Note shows ads.
Which is updated more often, Decibels or AE Note?
Decibels ships an update weekly, and AE Note monthly. Most recently, Decibels was updated on September 23, 2026 and AE Note on September 20, 2026.

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