Envision AI vs VDScan
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Envision AI
This app uses AI and OCR to read text, describe surroundings, and identify objects for users who are blind or have low vision. It offers features like instant text reading in multiple languages, document scanning, scene description, and object detection to promote independence.
- Instant text reading in 60+ languages
- Audio-guided document scanning
- Scene and object description
- Barcode scanning for product info
- People and object detection
- Image and PDF description
Read full descriptionHide full description
Envision is the fastest, most reliable and award-winning OCR app that speaks out the visual world, helping people who are blind or have low vision lead more independent lives. Envision is developed for and together with the blind and low vision community. The app is simple, gets things done and brings the best assistive experience to blind and low vision users. Simply use your phone camera to scan any piece of text, your surroundings, objects, people or products and everything will be read out to you thanks to Envision’s smart artificial intelligence (AI) and Optical Character Recognition (OCR). _____________________ What Envision users say about the app: “Easy going text recognition. Text recognition is outstanding. Good for independence. Ease of use is immaculate” - Noahis from Australia “Amazing. I love it. I'm blind and I love how easy it is to use. Amazing job!!!!” - Matt from Canada ___________________ With full talkback support, Envision enables you to: Read all kinds of text: • Instantly read any piece of text in over 60 different languages. • Easily scan your paper documents (single or multiple pages) with the help of audio-guided edge detection. All content is spoken back to you and is ready for export and edit. • Import PDFs and images to get a description of the image and recognition of all the text within it. • Quickly read handwritten postcards, letters, lists and other paperwork. Know what's around you: • Effortlessly describe visual scenes around you. • Detect colour on your clothes, walls, books, you name it. • Swiftly scan barcodes to get extensive information about the products. Find what you're looking for: • Find people around you; the names of your family and friends are spoken out whenever they are in the frame. • Find objects around you; selecting common objects from the in-app list to find them. Share: • Share images or documents from your phone or other apps like Twitter or WhatsApp by selecting Envision from the share sheet. Envision can then read and describe those images for you. ___________________ Feedback, questions or feature requests? We welcome everyone to provide their feedback about the Envision app, as we’re constantly improving. Please email us at support@LetsEnvision.com. ___________________ Please read our Terms of Use & Privacy Policy: https://www.LetsEnvision.com/terms If you're still reading all the way down here, we'd like to thank you for your diligence, attention to detail and general commitment to finishing something that you started. Just like all the team working at Envision!
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
Read full descriptionHide 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
Screenshots
Verdict
The clearest difference is price: Envision AI at Free against VDScan's $14.99. VDScan's advantage is rating (4.5 vs 4.2) and review sentiment (72% vs 58%). On ratings volume, ads, in-app purchases and monetization model 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
Envision AI is free to download; VDScan costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.
VDScan holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 595 and 579 respectively. Written reviews point the same way: 58% of Envision AI's written reviews are positive against 72% of VDScan's.
Envision AI ships an update every 5 weeks, VDScan fortnightly. The most recent releases landed on October 27, 2026 and October 26, 2026 respectively.
| Parameter | Envision AI | VDScan |
|---|---|---|
| Price | Free — better | $14.99 |
| Rating | 4.2 (595 ratings) | 4.5 (579 ratings) — better |
| Positive reviews | 58.1% of reviews | 72.0% of reviews — better |
| Number of ratings | 595 — better | 579 |
| Update frequency | Every 5 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 373 MB | 1.2 GB |
| Age rating | 4+ | 4+ |
| Developer | Envision Technologies B.V. | Opus Noma LLC |
Customer experience
Envision AI
VDScan
User reviews
Envision AI
From 595 App Store ratingsWhat we love
- 🚀 Fast and accurate text recognition
- 🔍 Excellent object and scene description
- 👍 Helpful for independence and accessibility
- 🔍 Accurate barcode and color recognition
Room to improve
- 🐛 Occasional crashes and stability issues
- 🔋 High battery consumption
- 💰 Expensive subscription model
- 🌐 Limited language support
VDScan
From 579 App Store ratingsWhat we love
- 🚀 Fast and accurate OCR
- 👍 Easy to use interface
- 💡 Integrates well with VoiceDream Reader
- 🚀 Impressive scanning speed
- 👍 Helpful audio cues for scanning
Room to improve
- 🐛 Crashes and loses scanned data
- 🐛 Struggles with curved/angled pages
- 🐛 Inconsistent performance on different surfaces
- 🐛 Difficulty scanning multi-column documents
Bugs and requests
Envision AI
Reported bugs
4 issues- Instant text reader mixes languages and has poor formatting
- Document scanning sometimes fails to detect document edges
- Facial recognition often misidentifies people
- Barcode scanner not working reliably in latest version
Requested features
4 requests- Add support for more languages, including Punjabi and Gujarati
- Improve handwriting recognition accuracy
- Implement offline mode for text recognition
- Add a feature to save and organize recognized text
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
In-app purchases
Envision AI
No in-app purchases
VDScan
No in-app purchases








