Comparison

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.

Head to head
About

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.

Highlights
  • 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
Features
Read 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.

About

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.

Highlights
  • AI-powered document scanning
  • Text extraction from photos
  • Multi-language translation
  • PDF export
  • Perspective correction
  • iCloud sync
Features
Read 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

Decibel Meter Plus4 screens
Text Scanner AI4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard6 real differences · 4 level
Decibel Meter Plus versus Text Scanner AI: the parameters behind the verdict, then further details
ParameterDecibel Meter PlusText Scanner AI
Price$6.99Free — better
Rating3.0 (126 ratings)5.0 (2 ratings) — better
Positive reviews35.7% of reviews — better0.0% of reviews
Number of ratings126 — better2
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.8 — better18.6
Further details — not scored
Size14 MB8 MB
Age rating4+9+
Developer华芳 张Andy Soft

Customer experience

Decibel Meter Plus

All ratings125 ratings
Positive48.8%
Neutral9.6%
Negative41.6%
Written reviews126 reviews
Positive35.7%
Neutral8.7%
Negative55.6%

Text Scanner AI

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

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 more
  • 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 more
  • Improved control over graphical display

Text Scanner AI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Decibel Meter Plus

No in-app purchases

1 purchases

Text Scanner AI

One-time1
  • Text Scanner AI - Premium$2.99

Questions

Is Decibel Meter Plus free?
Decibel Meter Plus costs $6.99, with no in-app purchases.
Is Text Scanner AI free?
Text Scanner AI is free to download, with in-app purchases available.
Which has better reviews, Decibel Meter Plus or Text Scanner AI?
Text Scanner AI is rated higher. Decibel Meter Plus averages 3.0 out of 5 from 126 ratings, while Text Scanner AI averages 5.0 from 2 ratings.
Do Decibel Meter Plus or Text Scanner AI have ads?
Neither Decibel Meter Plus nor Text Scanner AI shows ads.
Which is updated more often, Decibel Meter Plus or Text Scanner AI?
Decibel Meter Plus ships an update every 2 months, and Text Scanner AI every 3 weeks. Most recently, Decibel Meter Plus was updated on November 6, 2026 and Text Scanner AI on November 7, 2026.

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