Decibel Meter Plus vs Text Scanner AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter Plus
Measure ambient sound levels and understand their impact on hearing. This app provides real-time decibel readings, exposure time guidelines, and information on noise-induced hearing loss. It helps you identify loud environments and learn how to protect your hearing.
- Measure sound levels
- Display average, peak, and max values
- Plotted history of average values
- Information on NIHL
- Decibel exposure time guidelines
- Calibrate measurements
- Record and export data
Read full descriptionHide full description
Decibel Meter helps you quickly check the sound level around you using your device’s built-in microphone. Open the app and instantly see the current sound level in decibels. You can use it to get a general idea of everyday noise levels at home, in the office, in classrooms, outdoors, or in other environments. Key Features: • Real-time sound level measurement • Clear decibel display • Average, peak, and maximum values • Simple visual meter and history graph • Calibration adjustment for different devices and environments • Easy-to-use interface for quick checks • Support for iPhone and iPad • Multiple language support • In-app Support for feedback and questions Please note: Decibel readings may vary depending on your device microphone, case, distance from the sound source, background noise, and calibration settings. This app is designed for general reference and everyday use. It is not a replacement for a certified professional sound level meter. Download Decibel Meter and check the sound around you with ease.
Text Scanner AI
This app transforms your device into an AI-powered scanner, digitizing documents, extracting text from images, and translating content. It offers features like multi-page scanning, perspective correction, and iCloud sync for seamless document management.
- AI-powered document scanning
- Text extraction from photos
- Multi-language translation
- PDF export
- Perspective correction
- iCloud sync
Read full descriptionHide full description
AndyScan turns your iPhone into a powerful AI-powered document scanner and text extractor. Whether you're digitizing receipts, scanning contracts, or extracting text from photos, AndyScan gets it done in seconds. - SCAN DOCUMENTS - Capture multi-page documents with the built-in scanner. Correct perspective, crop pages, and apply color filters. Export a polished PDF ready to share or archive — in one tap. - EXTRACT TEXT FROM PHOTOS - Point your camera at any text and AndyScan recognizes it instantly. Works on printed documents, handwritten notes, signs, receipts, books, and more. - TRANSLATE IN 9 LANGUAGES - Get instant translations of your scanned content in Italian, English, Spanish, Portuguese, French, German, Russian, Chinese, and Hindi. No internet connection required. - EDIT & REFINE - The page editor gives you full control: adjust brightness and contrast, correct perspective, crop precisely, remove imperfections with the clean-up brush, and format to your standard (A4, Letter, Legal, and more). - iCLOUD SYNC - Your documents sync automatically across all your Apple devices. Scan on iPhone, access on iPad. Always up to date, always safe. - FREE FEATURES - - Text scan from camera - Text scan from photo library - Document scanner up to 3 pages - PDF export - Automatic iCloud sync - Interface in 9 languages -ANDYSCAN PREMIUM - €4.99 ONCE, FOREVER - No subscription. No automatic renewal. One payment, lifetime access. - Unlimited scanner pages - Translation in all languages - Advanced single-page editor - Import documents & files Existing users who already saved documents are automatically upgraded to Premium at no cost.
Screenshots
Verdict
The clearest difference is price: Text Scanner AI at Free against Decibel Meter Plus's $6.99. Text Scanner AI also leads on rating (5.0 vs 3.0). Decibel Meter Plus's advantage is review sentiment (36% vs 0%) and in-app purchases (none vs 1). On update cadence, ads, monetization model 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
Text Scanner AI is free to download; Decibel Meter Plus costs $6.99 up front. Text Scanner AI sells 1 one-off in-app purchase. Decibel Meter Plus asks for nothing beyond the download.
Text Scanner AI holds the better App Store score, 5.0 against 3.0. That said, the two scores are not equally well evidenced: Decibel Meter Plus has 126 ratings behind it against 2, so its average is the more settled of the two. Written reviews complicate that: 36% of Decibel Meter Plus's written reviews are positive against 0% of Text Scanner AI's, so the app with the better star average is not the one people write more warmly about.
Decibel Meter Plus ships an update every 2 months, Text Scanner AI every 3 weeks. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.
| Parameter | Decibel Meter Plus | Text Scanner AI |
|---|---|---|
| Price | $6.99 | Free — better |
| Rating | 3.0 (126 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 35.7% of reviews — better | 0.0% of reviews |
| Number of ratings | 126 — better | 2 |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.8 — better | 18.6 |
| Further details — not scored | ||
| Size | 14 MB | 8 MB |
| Age rating | 4+ | 9+ |
| Developer | 华芳 张 | Andy Soft |
Customer experience
Decibel Meter Plus
Text Scanner AI
Bugs and requests
Decibel Meter Plus
Reported bugs
7 issues- App requires developer updates and iOS compatibility fixes
- Baseline reading of 50-80 dB even in complete silence
- Readings spike dramatically with minimal sound input
- Graph display lacks user control
- Inconsistent measurements in same environment
Show 2 moreShow fewer
- Microphone sensitivity cannot be adjusted
- App crashes or fails to function on some devices
Requested features
6 requests- Calibration function to adjust readings
- Higher maximum dB limit (120+ dB) for loud events
- Ability to attach photos with meter readings
- Better baseline reset to 0 dB in silence
- dB(A) weighting filter option
Show 1 moreShow fewer
- Improved control over graphical display
Text Scanner AI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Decibel Meter Plus
No in-app purchases
Text Scanner AI
- Text Scanner AI - Premium$2.99
Questions
Is Decibel Meter Plus free?
Is Text Scanner AI free?
Which has better reviews, Decibel Meter Plus or Text Scanner AI?
Do Decibel Meter Plus or Text Scanner AI have ads?
Which is updated more often, Decibel Meter Plus or Text Scanner AI?
Other comparisons















