Comparison

VDScan vs Emvi.ai

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

Head to head
About

VDScan

Capture text from documents, labels, and signs using your camera and have it read aloud with text-to-speech. This app offers fast, accurate, and private on-device OCR with support for numerous languages. Save, export, and enhance your scanned documents with intelligent features.

Highlights
  • On-device OCR and text recognition
  • Text-to-speech with 61 voices
  • ScanTone real-time text detection
  • Batch scanning mode
  • Export as plain text or PDF
  • Offline functionality
Features
Read full description

Scan paper documents, labels, signs with the camera and recognize text. Listen using built-in text-to-speech. Save and export. Unlimited use: no subscriptions or additional charges. State-of-the-art A.I. for OCR and text recognition: Fast and accurate, even in poor lighting conditions. Works entirely on device: No need for internet and your data stays private. Recognizes text in the following languages: Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Finnish, French, German, Hindi, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Romanian, Spanish, Swedish, and Turkish. ScanTone, a sound that represents the amount of recognizable text in the camera's field of view in real time. It uses artificial intelligence to analyze the live feed from the camera for text, angle, rotation, and document edges. Exports scans as plain text or accessible PDF with embedded text. Detailed Feature List Scanning - ScanTone - Live edges/crop detection - Flashlight - Batch mode for scanning multiple pages quickly - Intelligent auto capture Image - Automatic edge detection for stretching and cropping - Manually cropping - Automatic orientation detection and rotation - Manual image rotation - Automatic image enhancement OCR - Fast: about a second on the latest iPhone - Offline: does not require Internet connection - Private: image and text stay on device - Automatic language detection - Option to see image or recognized text Text To Speech - Choose from 61 voices - Premium voices in Voice Dream Reader available - Change speech rate - Option to start reading as soon as OCR is complete - Spoken word is highlighted in the text or the image - Rewind and fast forward by text section (VoiceOver users only) - Double tap on text to start reading from there Import and Export - Load from Photo Library - Share extension for sending images to Scanner from another app - Export plain text - Export PDF with text layer under the image so that it's accessible, searchable and selectable - Export to Voice Dream Reader

About

Emvi.ai

This app acts as a visual assistant, describing surroundings, reading text, detecting obstacles, and interpreting images. It's designed to empower users with independence and an enhanced quality of life through a voice-operated interface.

Highlights
  • Describe surroundings
  • Read, summarize, and translate text
  • Detect obstacles and hazards
  • Locate objects
  • Interpret art
  • Analyze images from messaging apps
Features
Read full description

EMVI is a groundbreaking mobile scene description app, developed in close collaboration with the blind and low vision community. Its fully voice-operated interface ensures that navigating the app is effortlessly intuitive for all users. Transforming any smartphone into a formidable assistive device, EMVI fosters independence and enhances quality of life. Its capabilities include: Describing surroundings Reading, summarizing, and translating various texts, whether printed or handwritten Detecting obstacles and potential hazards Locating objects Interpreting art Analyzing images from messaging platforms The breadth of EMVI's capabilities knows no bounds—whatever the need, EMVI rises to the occasion, ensuring a more inclusive and enriched experience for all users. In order to access the app's features and content, users must create an account and subscribe to an annual or monthly plan. To unlock the app's features and content, users need to create an account and subscribe to either an annual or monthly plan, available via an in-app purchase. Terms of use can be found: https://www.emvi.ai/terms

Screenshots

VDScan4 screens
Emvi.ai4 screens

Verdict

The call

The clearest difference is review sentiment: VDScan at 72% against Emvi.ai's 0%. VDScan also leads on rating (4.5 vs 3.6) and in-app purchases (none vs 3). Emvi.ai's advantage is price (Free vs $14.99) and iOS requirement (15.5 vs 17.0). On ads 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

Emvi.ai is free to download; VDScan costs $14.99 up front. Emvi.ai sells 3 in-app purchases, starting at $4.99 per month. VDScan asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

VDScan holds the better App Store score, 4.5 against 3.6. That said, the two scores are not equally well evidenced: VDScan has 575 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 72% of VDScan's written reviews are positive against 0% of Emvi.ai's.

UpkeepUpdate frequency

VDScan ships an update fortnightly, Emvi.ai every 5 weeks. The most recent releases landed on October 18, 2026 and September 29, 2026 respectively.

Scorecard8 real differences · 2 level
VDScan versus Emvi.ai: the parameters behind the verdict, then further details
ParameterVDScanEmvi.ai
Price$14.99Free — better
Rating4.5 (575 ratings) — better3.6 (7 ratings)
Positive reviews72.0% of reviews — better0.0% of reviews
Number of ratings575 — better7
Update frequencyFortnightly — betterEvery 5 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.5 — better
Further details — not scored
Size1.2 GB139 MB
Age rating4+4+
DeveloperOpus Noma LLCEmvi.ai

Customer experience

VDScan

All ratings575 ratings
Positive86.3%
Neutral7.5%
Negative6.3%
Written reviews193 reviews
Positive72.0%
Neutral10.4%
Negative17.6%

Emvi.ai

All ratings7 ratings
Positive42.9%
Neutral42.9%
Negative14.3%
Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

Bugs and requests

VDScan

Reported bugs

2 issues
  • Crashes when scanning too many pages
  • Loses scanned data after app restarts

Requested features

4 requests
  • Batch import of photos for OCR
  • Option to edit/correct OCR results
  • Support for scanning book pages and flattening
  • Ability to save scans directly to cloud storage

Emvi.ai

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

VDScan

No in-app purchases

3 purchases

Emvi.ai

Subscriptions2
  • EMVI Monthly Plan$4.991 Month
  • EMVI Annual Plan$59.991 Year
One-time1
  • EMVI Lifetime$300.00

Questions

Is VDScan free?
VDScan costs $14.99, with no in-app purchases.
Is Emvi.ai free?
Emvi.ai is free to download, with in-app purchases available.
Which has better reviews, VDScan or Emvi.ai?
VDScan is rated higher. VDScan averages 4.5 out of 5 from 575 ratings, while Emvi.ai averages 3.6 from 7 ratings.
Do VDScan or Emvi.ai have ads?
Neither VDScan nor Emvi.ai shows ads.
Which is updated more often, VDScan or Emvi.ai?
VDScan ships an update fortnightly, and Emvi.ai every 5 weeks. Most recently, VDScan was updated on October 18, 2026 and Emvi.ai on September 29, 2026.

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