Video Speedifier vs Smart Pupilometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Video Speedifier
Adjust the playback speed of any video directly within your browser. Offers precise control with a slider and customizable presets, allowing you to speed up or slow down content on various platforms.
- Precise speed control (0.1x to 5x)
- Customizable preset buttons
- Overdrive mode for faster playback
- Works on iPhone, iPad, and Mac
- Intelligent handling of dynamic videos
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Take control of every video you watch. Video Speedifier is a clean, powerful Safari extension that lets you adjust playback speed on any website with precision and ease. Use the smooth slider for fine-grained control (0.1× increments) or tap the quick preset buttons for common speeds. Turn on Overdrive when you want to push speeds even higher. It works across YouTube, Netflix, online courses, Twitch, and most other video players — including tricky ones that try to reset the speed. Key Features • Precise speed control from 0.1× up to 5× • Customizable preset buttons • Overdrive mode for faster playback • Works on iPhone, iPad, and Mac • Clean, modern interface built with SwiftUI • Intelligent handling of dynamic and embedded videos Getting started is simple: install the app, enable Video Speedifier in Safari’s Extensions settings, and you’re ready to go. The extension then appears in your toolbar whenever you need it. Whether you’re speeding through lectures, slowing down language content, or just want to watch at your own pace, Video Speedifier gives you full control without leaving the page.
Smart Pupilometer
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# AI Pupilometer AI Pupilometer is an intelligent pupil measurement application that uses real-time image processing to detect the eye, identify the pupil, and estimate pupil diameter directly on your iPhone. ## Features • Real-time eye detection using the device camera • Automatic pupil localization and measurement • AI-assisted image analysis performed entirely on the device • Average measurement from multiple detections for improved consistency • Support for both right (OD) and left (OS) eye measurements • Simple, intuitive, and easy-to-use interface ## How to Use 1. Stand facing a light source. 2. Open your eyes widely and point the camera toward the eye being examined. 3. Wait until the green circle appears around the pupil. 4. Tap the Result button to view the latest measurements and average pupil size. ## Privacy AI Pupilometer performs all image processing locally on your device. No images, videos, or personal data are uploaded, stored, or shared with external servers. ## Note AI Pupilometer is intended for informational purposes only. It is not intended to monitor eye health. If you have concerns about your eye health, consult a qualified healthcare professional.
Screenshots
Verdict
The clearest difference is device support: Video Speedifier at 4 against Smart Pupilometer's 2. Video Speedifier also leads on iOS requirement (15.0 vs 18.5). On price, ads and in-app purchases 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.
| Parameter | Video Speedifier | Smart Pupilometer |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 18.5 |
| Further details — not scored | ||
| Size | 10 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Justin James | Ahmad Khousa |
In-app purchases
Video Speedifier
No in-app purchases
Smart Pupilometer
No in-app purchases





