BottleScan vs Strobe Light
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BottleScan
Easily track your baby's milk bottles with a simple QR code scanning system. Never forget when a bottle was filled or last used. Durable, human-readable labels ensure effortless bottle management.
- QR code scanning for bottle tracking
- Track milk quantity and last feeding
- Dishwasher/Baby Brezza safe labels
- Human-readable bottle names
- Low effort system for easy adherence
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Welcome to BottleScan! The idea is simple. Keep track of your baby's bottles. How much milk is in the fridge? When was the last feeding? When was this bottle filled? Is this the bottle I just pulled out? Or the one I just filled? Or is it the one from yesterday? Never wonder again. The system is simple. Use the QR code scanner already built into your iPhone's Camera app. Scan when you fill. Scan when you feed. No trying to find the app hidden somewhere among your home screens while holding a hungry crying baby. Low effort means a system that's easy to stick to. The labels are Dishwasher / Baby Brezza safe. Stick 'em on, and they stay. They also come with human-readable names so you can tell bottles apart at a glance. Labels at https://bottlescan.etsy.com
Strobe Light
This application transforms your smartphone into a digital tachometer using its flashlight. It measures the rotational speed (RPM) of objects by flashing light at them, making them appear stationary when the flash rate matches their speed. Save readings and use it for mechanics, education, or industrial checks.
- Measures RPM of rotating objects
- Adjustable strobe speed (1-10,000 RPM)
- Quick adjustment buttons (+/- increments)
- Flash sync for accuracy
- Save and review RPM data
- Works in low light conditions
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Strobe Light - RPM turns your phone into a powerful tool for measuring the speed of rotating objects. The app works like a digital tachometer and offers two measurement modes: Strobe Light and Camera. You can measure the RPM of fans, motors, wheels, and other rotating devices without touching them. In both modes, the same stroboscopic principle is used. When the flash rate or camera frame rate matches the speed of the object, it creates the illusion that the object is standing still. This helps you visually determine the exact rotational speed of the object with high accuracy. Strobe Light Mode Using your phone's flashlight, this mode flashes light at the object in a specific pattern. It works best in a dark or low-light environment and is ideal when you want a quick RPM reading with the built-in flashlight. How to Use (Strobe Light): Mark the rotating object with something visible (a sticker or tape works well). Point your phone's flashlight toward the object. Turn on the strobe using the power button. Adjust the strobe speed using the + and - buttons until the object looks still. The RPM shown on the screen is the object's rotation speed. You can save the reading for later reference. Camera Mode Camera mode uses your phone's camera to show a live preview at a set frame rate (FPM — Frames Per Minute). When the frame rate matches the object's RPM, the rotating object appears frozen on screen. This mode is useful in well-lit conditions when you want to see the object clearly while tuning the speed. How to Use (Camera): Open Camera mode from the home screen and allow camera permission. Point the camera at the rotating object. Adjust the frame rate using the + and - buttons until the object looks still. The value shown on the screen is the object's RPM. Use the flash button if you need extra light in darker areas. Save or reset your reading anytime from the bottom buttons. Where It's Useful: Mechanics: Test fans, engines, or motors by measuring RPM. Education: Ideal for physics experiments that require RPM measurements. Industrial Use: Check the condition of rotating machinery. Calibration: Ensure rotating devices are running at the correct speed. Maintenance: Compare readings over time using saved history. Key Features: Two Measurement Modes: Choose Strobe Light or Camera from the home screen based on your environment and preference. Adjustable Strobe Speed: Set the strobe from 1 to 10,000 RPM for accurate measurements. Camera Frame Rate Control: Set camera preview from 30 to 14,400 FPM for precise visual tuning. Quick Adjustment Buttons: Easily change the speed with buttons for +1, +10, +50, or +100 RPM increments in both modes. Flash Sync (Strobe Light): Ensures the light flashes at the correct frequency for accurate RPM readings. Built-in Camera Flash (Camera Mode): Toggle the flash on or off for better visibility in low light. Save and Reset: Save current RPM readings with a custom title or reset to default anytime. History Tracking: Save and review your RPM data anytime for easy access from the menu. Works in Different Lighting: Strobe Light works best in the dark; Camera mode works well in normal and low-light conditions. Simple and Energy-Efficient: The app's interface is easy to use and designed to be practical for everyday measurements. Visual Tachometer: Acts just like a real tachometer using visual strobe techniques with your phone's flashlight or camera. Strobe Light - RPM makes it simple to measure RPM without any special tools or equipment. Whether you prefer the classic flashlight strobe method or the new live camera preview, this app gives you flexible and accurate RPM measurement in one place. Perfect for mechanics, hobbyists, students, and professionals alike. Contact us at: zsmapps2024@gmail.com Terms of use: Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is rating: BottleScan at 5.0 against Strobe Light's 2.0. BottleScan also leads on in-app purchases (none vs 2) and ads (none vs shown). On price, ratings volume, device support 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. Strobe Light sells 2 in-app purchases, starting at $5.99 per month. BottleScan asks for nothing beyond the download.
BottleScan holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
BottleScan ships an update every 4 days, Strobe Light every 7 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.
| Parameter | BottleScan | Strobe Light |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 2.0 (1 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 4 days — better | Every 7 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Richard Paul | Zain Saeed Mughal |
Customer experience
BottleScan
Strobe Light
In-app purchases
BottleScan
No in-app purchases
Strobe Light
- Remove Ads$5.991 Month
- Remove Ads$4.99
Questions
Is BottleScan free?
Is Strobe Light free?
Which has better reviews, BottleScan or Strobe Light?
Do BottleScan or Strobe Light have ads?
Which is updated more often, BottleScan or Strobe Light?
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