Si4Keyboard vs Rotate that Video Player
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Si4Keyboard
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Si4Key: Secure Your Input, Empower Your Identity Si4Key is a privacy-first companion keyboard designed to enhance your existing input method with seamless local encryption, one-tap digital signature, and offline key management. Whether you’re sending private messages, signing documents, or inputting sensitive data, Si4Key ensures that every keystroke stays secure — without changing how you type. Key Features: • Local-first encryption — your input never leaves your device • Built-in support for OpenPGP/GPG digital signatures • Offline key storage — no cloud syncing, you’re in full control • Minimal and intelligent design — easy to use, smart when needed • Supports multiple languages with future-ready architecture Why Si4Key? Because your input method deserves the same level of protection as your data. Si4Key doesn’t replace your keyboard — it strengthens it. “Typing should be private. Signing should be simple. Si4Key makes both possible.”
Rotate that Video Player
Effortlessly adjust the orientation and size of any video player on web pages. Fix sideways or upside-down videos with intuitive controls, enhancing your viewing experience across various platforms. This extension offers rotation, positioning, and scaling for optimal content enjoyment.
- Rotate videos clockwise or counterclockwise
- Adjust vertical and horizontal video positioning
- Resize video players
- Intuitive and user-friendly interface
- Cross-platform video player support
- Customizable settings and toolbar icons
- Shortcut key for quick rotation
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Unlock the power to effortlessly rotate any video player with the Rotate That Video Player browser extension. Say goodbye to straining your neck to watch sideways or upside-down videos. Whether you are streaming content, watching tutorials on YouTube, or enjoying personal videos, this handy extension ensures optimal viewing orientation with just a click. The Rotate That Video Player is a lightweight and useful add-in designed to enhance productivity. Say goodbye to awkwardly tilted videos and hello to a smoother viewing experience. Thanks to this browser extension, you can finally fix the well-known VVS problem that you sometimes see in YouTube videos. You can rotate, change the position vertically and horizontally, and even increase or scale up the current video player, allowing you to enjoy it on a larger scale. Never heard of Vertical Video Syndrome (VVS)? Vertical Video Syndrome (VVS) is a fictitious condition that satirically claims that those afflicted can only shoot videos in a portrait orientation, as opposed to the more viewer-friendly landscape mode. Download Rotate That Video Player now and seize full control of your video orientation. Elevate your browsing experience today! Browser extension features: ◆ Video Rotation: Rotate videos in any direction - clockwise or counterclockwise - to match your preferred viewing angle instantly. This feature is supported by a slider that works on both desktop and mobile touch screen devices. ◆ Vertical Video Adjustment: Adjust the vertical positioning of the video player, moving it up or down as needed. ◆ Horizontal Video Adjustment: Modify the horizontal positioning of the video player, shifting it left or right according to your preference. ◆ Video Scaling: Resize the video player to your desired dimensions, increasing or decreasing its size as required. ◆ Intuitive Controls: With a simple and user-friendly interface, rotate videos hassle-free with intuitive controls. ◆ Cross-Platform Support: Compatible with a wide range of video players across various websites, including YouTube, Vimeo, Dailymotion, Bilibili, and more. ◆ Customizable Settings: Select which elements to showcase in the panel, including rotation, transition, or scaling choices, ensuring you have all the video transformer buttons tailored to your preferences. ◆ Custom Toolbar Icon: Select your preferred toolbar icon in either light or dark mode, adapting to your visual preferences. ◆ Shortcut Key: The shortcut key rotates 90 degrees clockwise and counterclockwise, and resets it. ◆ Support for Dark Mode Project Information: https://www.stefanvd.net/project/rotate-that-video-player/browser-extension/ Required Permissions: ◆ "contextMenus": Add a context menu to instantly browser button menus. ◆ "activeTab": The currently open tab allows for rotating the video player. ◆ "storage": Save settings locally and sync with your web browser account.
Screenshots
Verdict
The clearest difference is price: Rotate that Video Player at Free against Si4Keyboard's $0.99. Rotate that Video Player also leads on device support (4 vs 2). Si4Keyboard's advantage is update cadence (fortnightly vs every 2 months). On 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
Rotate that Video Player is free to download; Si4Keyboard costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Si4Keyboard ships an update fortnightly, Rotate that Video Player every 2 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.
| Parameter | Si4Keyboard | Rotate that Video Player |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Fortnightly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, Mac, Vision Pro — better |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 14 MB | 21 MB |
| Age rating | 17+ | 17+ |
| Developer | 文焕 陈 | Stefan Van Damme |
In-app purchases
Si4Keyboard
No in-app purchases
Rotate that Video Player
No in-app purchases
Questions
Is Si4Keyboard free?
Is Rotate that Video Player free?
Do Si4Keyboard or Rotate that Video Player have ads?
Which is updated more often, Si4Keyboard or Rotate that Video Player?
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