VDScan vs Emvi.ai
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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
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.
- Describe surroundings
- Read, summarize, and translate text
- Detect obstacles and hazards
- Locate objects
- Interpret art
- Analyze images from messaging apps
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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
Verdict
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
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.
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.
VDScan ships an update fortnightly, Emvi.ai every 5 weeks. The most recent releases landed on October 18, 2026 and September 29, 2026 respectively.
| Parameter | VDScan | Emvi.ai |
|---|---|---|
| Price | $14.99 | Free — better |
| Rating | 4.5 (575 ratings) — better | 3.6 (7 ratings) |
| Positive reviews | 72.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 575 — better | 7 |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.5 — better |
| Further details — not scored | ||
| Size | 1.2 GB | 139 MB |
| Age rating | 4+ | 4+ |
| Developer | Opus Noma LLC | Emvi.ai |
Customer experience
VDScan
Emvi.ai
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
VDScan
No in-app purchases
Emvi.ai
- EMVI Monthly Plan$4.991 Month
- EMVI Annual Plan$59.991 Year
- EMVI Lifetime$300.00







