Decibel Meter Noise Detector vs Image Compressor | Reduce Size
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter Noise Detector
This tool measures ambient noise levels in decibels (dB) in real-time. It allows users to record audio, capture photos with decibel data, and view historical noise level changes. Reports can be generated and exported for reference.
- Real-time decibel detection
- Audio recording with peak decibel marking
- Multimedia evidence collection with watermarks
- Real-time chart display of noise changes
- Historical decibel record viewing
- Data detection report export
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The decibel tester is a professional noise decibel detection software, also known as a decibel measuring instrument, decibel meter, noise detector, etc. It can help you detect the decibel (dB) of the surrounding environment in real time, allowing you to understand the noise situation of the surrounding environment at any time, easily measure the current noise level of the environment, record the decibel change value, capture the surrounding environment, and record the noise. Easy to operate and convenient to use. [Functional Features]: 1. Real time decibel detection: Measure the decibel value (dB) of the current environment's noise, synchronously record audio and mark the peak decibel value, and save the generated timestamp record. 2. Multimedia evidence collection: Record decibel data watermarks during photo and video evidence collection, with a complete and traceable evidence chain, and support for adding evidence collection information such as geographic location and time. 3. Real time chart display: The chart displays real-time changes in noise decibels and provides reference for noise standards. 4. Historical record viewing: Record the decibel level of each detected noise, making it convenient for you to view the detection history. 5. Test result export: One click generation of data detection report, supports exporting and saving to local. Usage tips: The values obtained by the decibel meter are for user reference and simple recording only. The noise value results come from the user's native mobile phone microphone, and the microphone of mobile devices has certain limitations in recording, so obtaining values cannot replace professional noise instruments. Subscription instructions: 1. Subscription period: $4.99/continuous package week 2. 24 hours before the VIP privilege expires, the iTunes account will be automatically charged and the renewal fee will be determined. 3. Cancel automatic renewal: To cancel automatic renewal, please manually turn off the automatic renewal function in iTunes/Apple ID settings management 24 hours before expiration. If the subscription is not closed at least 24 hours before expiration, it will be automatically renewed. 4. If a free trial period is provided, any unused portion will be forfeited when the user purchases a subscription for the publication (if applicable) 6. Privacy Policy: https://kdocs.cn/l/cjjUHF3PasYx 7. Terms of Use: https://kdocs.cn/l/ctTWFaRQzgWf
Image Compressor | Reduce Size
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Shotcom is the fast, cleanest image compressor on iOS. Shrink any photo to a fraction of its original size without losing quality, share smaller files instantly, and free up storage in seconds. — COMPRESS PHOTOS, KEEP QUALITY — Shrink JPEG, PNG, and HEIC images by up to 80% while keeping them crisp and clear. Shotcom's advanced compression engine preserves fine detail, color accuracy, and sharpness, so your compressed photos still look great. No blurry thumbnails. No pixelated results. Just smaller files that still look sharp. — FREE UP STORAGE FAST — Running low on space? Compress your entire photo library in minutes. Batch processing lets you select dozens of photos at once and shrink them all simultaneously, recovering gigabytes without touching each file manually. Stop deleting photos just to free up space. Compress them instead. — BUILT FOR SHARING — Every platform has a file size limit. Shotcom makes sure you're never held back. - WhatsApp and iMessage: send photos faster without compression artifacts - Instagram and TikTok: upload optimized images that load quicker - Email: send photo attachments without hitting size limits - Websites and cloud storage: upload smaller files in less time - AirDrop: transfer compressed photos instantly — BATCH PROCESSING — Compress multiple photos at once with a single tap. Select your whole camera roll, choose your quality setting, and let Shotcom handle the rest. Perfect for photographers, bloggers, and anyone working with large volumes of images. — FLEXIBLE QUALITY CONTROL — Not every photo needs the same treatment. Shotcom gives you: - A manual quality slider for fine-tuned control - Smart Auto mode for quick, optimized compression - Live preview to compare compressed vs. original before saving - File size estimate before you export Dial in the exact quality-to-size ratio you need. — FORMAT SUPPORT — Supports JPEG, JPG, PNG, HEIC, and more. — PRIVACY FIRST — Shotcom processes everything on your device. Your photos never leave your iPhone. No uploads to external servers, no account required, no data collection. — CLEAN AND FAST — - Instant compression with live preview - Clean, minimal interface - Save directly to your photo library or Files - Share from within the app in one tap - No complicated settings Whether you're a photographer, content creator, freelancer, or just trying to free up space on your iPhone, Shotcom gives you the fastest, most reliable image compression on iOS. Download Shotcom and start compressing smarter today.
Screenshots
Verdict
The clearest difference is in-app purchases: Image Compressor | Reduce Size at none against Decibel Meter Noise Detector's 3. Decibel Meter Noise Detector's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.6). On price 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
Both are free to download. Decibel Meter Noise Detector sells 3 in-app purchases, starting at $4.99 per 7 days. Image Compressor | Reduce Size asks for nothing beyond the download.
| Parameter | Decibel Meter Noise Detector | Image Compressor | Reduce Size |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 36 MB | 9 MB |
| Age rating | 4+ | 17+ |
| Developer | Shenzhen MC Jisu Technology Co., Ltd. | Hritik Arthur |
In-app purchases
Decibel Meter Noise Detector
- Weekly Member3 Days trial$4.997 Days
- One year membership3 Days trial$45.001 Year
- Life member$19.99
Image Compressor | Reduce Size
No in-app purchases
Questions
Is Decibel Meter Noise Detector free?
Is Image Compressor | Reduce Size free?
Do Decibel Meter Noise Detector or Image Compressor | Reduce Size have ads?
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