PreviewBrowser vs Knoz Teacher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PreviewBrowser
This application serves as a specialized tool for educators to review test items on iOS devices. It is designed for use with the Level12 delivery platform and is not intended for general public access.
- Test item review
- iOS device compatibility
- Level12 platform integration
- Educator-specific tool
Read full descriptionHide full description
Note *** This app is not intended for general public use. The Preview Browser is a tool used by selected educators to review test items on iOS devices for the Level12 delivery platform.
Knoz Teacher
Read full descriptionHide full description
KNOZ Teacher – Your Digital Teaching Companion KNOZ Teacher is the all-in-one platform designed specifically for educators to manage their professional teaching life with ease and efficiency. With an elegant and intuitive interface, you can track everything related to your teaching career from a single app. Key Features: Smart Dashboard Start your day with a comprehensive overview of your weekly sessions, monthly teaching hours, active courses, and upcoming sessions — all at a glance. Daily Schedule Management Browse your daily and weekly schedule effortlessly with an interactive calendar. View details of each teaching session including time, subject, and grade level. Course & Plan Tracking Monitor your active courses, track progress for each course, see completed and remaining sessions, and filter by status (active, pending, completed). Teaching Hours Reports Get detailed monthly reports on your teaching hours, with breakdowns by subject and grade level. Track estimated earnings and export reports as PDF. Vacation Requests Submit vacation requests easily by specifying start and end dates along with a reason. Track your remaining vacation balance in real-time. Available Job Opportunities Browse available teaching positions at schools, search and filter by subject, grade level, and location. Push Notifications Stay informed with instant notifications about upcoming sessions, new requests, and important updates. Profile Management Manage your personal and professional information, and customize your account settings and preferences. Dark & Light Mode Enjoy a comfortable viewing experience with full support for both dark and light themes. Arabic & English Support A multilingual interface designed to serve all users seamlessly. KNOZ Teacher – because every educator deserves a smart tool that keeps up with their ambitions and simplifies their daily tasks. Download now and start a more organized and professional teaching experience!
Screenshots
Verdict
The clearest difference is update cadence: Knoz Teacher at every 6 days against PreviewBrowser's every 7 months. Knoz Teacher also leads on device support (4 vs 1). On price, ads, in-app purchases and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PreviewBrowser ships an update every 7 months, Knoz Teacher every 6 days. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.
| Parameter | PreviewBrowser | Knoz Teacher |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 7 months | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPad | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 50 MB | 78 MB |
| Age rating | 4+ | 17+ |
| Developer | NWEA | Abdelrahman Tolba |
In-app purchases
PreviewBrowser
No in-app purchases
Knoz Teacher
No in-app purchases
