Noise Decibel Meter vs AE Note
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Noise Decibel Meter
Measure real-time, maximum, and average decibel levels. Record data from each test and keep the screen on for continuous monitoring. Features a simple and intuitive interface.
- Real-time decibel measurement
- Maximum decibel tracking
- Average decibel calculation
- Data recording per test
- Screen always on option
- Simple interface
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Support real-time decibel and maximum decibel, and average decibel Data can be recorded for each test Can be set to keep the screen always on Simple interface design
AE Note
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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
Verdict
The clearest difference is in-app purchases: Noise Decibel Meter at none against AE Note's 4. Noise Decibel Meter also leads on device support (3 vs 1). AE Note's advantage is ads (none vs shown) and update cadence (monthly vs every 18 months). On price 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
Both are free to download. AE Note sells 4 in-app purchases, starting at $4.99 per month. Noise Decibel Meter asks for nothing beyond the download.
Noise Decibel Meter ships an update every 18 months, AE Note monthly. The most recent releases landed on September 13, 2026 and September 20, 2026 respectively.
| Parameter | Noise Decibel Meter | AE Note |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (43 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 43 — better | — |
| Update frequency | Every 18 months | Monthly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 28 MB | 59 MB |
| Age rating | 4+ | 17+ |
| Developer | 标勇 张 | AEDISON TECHNOLOGY PTE. LTD. |
In-app purchases
Noise Decibel Meter
No in-app purchases
AE Note
- Basic Monthly Plan$4.991 Month
- Premium Monthly Plan$19.991 Month
- Basic Yearly Plan$56.991 Year
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- Premium Yearly Plan$99.991 Year









