Trachytalk vs SightKey
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Trachytalk
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Trachytalk is designed to help patients with a tracheostomy to communicate (or anyone who can't speak but can use a mobile device). I decided to build this because my mother is in critical care. Most mobile devices can do this natively one way or another, but I've noticed that patients in this state don't have the visual acuity or dexterity to see the type or work the keyboard on a small screen. Other apps on the App Store are geared toward patients who are neurologically non-verbal, and feature symbols or common words. These are great but don't allow a normally verbal patient to communicate to the best of their ability. Trachytalk instead features an almost full screen keyboard with big letters and easily lets the patient review their phrase (and remove any unwanted words) before speaking it. Trachytalk is free and always will be. Help your patients express their needs while they can't talk.
SightKey
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This is an innovative accessibility app that allows you to freely operate your iPhone just by moving your eyes. Track your gaze in real-time using ARKit's facial recognition technology. Even people who cannot use their hands and fingers as they would like can still type, communicate, and browse the web just by moving their eyes. β Line of sight dial You can operate the keyboard, which supports Japanese 50 sounds and English QWERTY, just by looking at it. Characters are entered just by looking at them (dwell input), and predictive conversion makes it even smoother. It also supports finger tapping. β Voice reading Read the entered text out loud on the spot. We provide easy support for communication for people who have difficulty expressing themselves. β Fixed phrase panel Pre-register frequently used words such as "Thank you" and "Give me some water." You can quickly call it up with your gaze and read it aloud right away. β Bookmark If you save frequently visited web pages, you can quickly access them using eye movements. β Calibration Custom adjust gaze accuracy according to eye characteristics. You can set the operation feeling that is best for your eyes. --- This app requires a TrueDepth camera (iPhone with a depth sensor on the front camera). This app is a must-use for people who have difficulty operating a smartphone due to physical conditions such as ALS, muscular dystrophy, spinal cord injury, or the aftereffects of a stroke, as well as their families and supporters. Towards a world where everyone can freely express their will. SightKey turns your "eyes" into your "hands." --- Support site: https://adolfoi.info/ Privacy Policy: https://adolfoi.info/page_id197/ Terms of Use: https://adolfoi.info/page_id501/ Contact us: https://adolfoi.info/support/ A Premium subscription (separate purchase) is required to use this app. After purchase, you can use all features, including eye-gaze browsing, text input, phrases, bookmarks, and advanced settings. Please check the in-app purchase screen for pricing and plans.
Screenshots
Verdict
The clearest difference is in-app purchases: Trachytalk at none against SightKey's 2. Trachytalk also leads on iOS requirement (12.2 vs 15.0). On price, ads and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. SightKey sells 2 in-app purchases, starting at $4.99 per month. Trachytalk asks for nothing beyond the download.
| Parameter | Trachytalk | SightKey |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | β |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.2 β better | 15.0 |
| Further details β not scored | ||
| Size | 27 MB | 11 MB |
| Age rating | 4+ | 17+ |
| Developer | Chazzwazza Games | Mitsuhiro Hashimoto |
In-app purchases
Trachytalk
No in-app purchases
SightKey
- Premium (Monthly)$4.991 Month
- Premium (Yearly)$49.991 Year







