QR Tool vs UnitSnap
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
QR Tool
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QR Tool is a fast QR code scanner, barcode reader and QR code generator in one simple app. Point your camera to scan, or create your own codes in seconds. SCAN • Read QR codes and barcodes instantly with your camera • Scan a code from a photo in your gallery • Flashlight and camera switch for difficult lighting • Open links, join Wi-Fi, save contacts, call, text or e-mail straight from the result CREATE • QR codes for websites, text, contacts, e-mail, SMS, phone numbers, locations, calendar events and Wi-Fi • Turn clipboard content into a QR code in one tap • Barcodes and 2D codes including Data Matrix, Aztec and PDF417 • Personalise the colour and shape of your QR code with Pro ORGANISE • History of everything you scan and create • Favourites for the codes you use most • Save to Photos, copy, share, or export as CSV and TXT MADE FOR YOU • Light and dark themes • Available in more than 40 languages • Optional sound and vibration on scan Whether you are sharing your Wi-Fi with guests, printing a menu, or checking a product barcode, QR Tool keeps it quick and easy.
UnitSnap
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UnitSnap is a professional and user-friendly unit conversion app, tailored for anyone who needs fast and accurate unit conversions in their daily life, work, or studies! Whether you're a student tackling math or physics problems, an engineer dealing with technical measurements, a traveler navigating unfamiliar units, or simply someone needing to convert units for everyday tasks, UnitSnap is here to help. The app supports a wide range of unit types, including length, temperature, speed, angle, and more, covering both metric and imperial systems as well as scientific and practical units. With its clean and intuitive interface, you can input values and get instant results without the hassle of manual calculations. UnitSnap also features dynamic decimal formatting for precise and readable outputs, making it a reliable tool for any scenario—from classroom assignments to professional projects. [Key Features] • Comprehensive Unit Support for All Scenarios UnitSnap covers a variety of unit types, including length (meters, centimeters, feet, miles), temperature (Celsius, Fahrenheit, Kelvin), speed (km/h, m/s, mph), angle (degrees, radians, gradians), and more. Whether you need to convert meters to feet for a DIY project or Celsius to Fahrenheit for a weather check, UnitSnap handles it effortlessly, catering to diverse needs in education, work, and daily life. • Instant Conversion with Clear Results Simply enter a value, and the converted result updates instantly—no extra steps required. Results are formatted with dynamic decimals, showing up to 4 digits for precision while automatically omitting decimals for whole numbers. • Personalized Preference Saving for Efficiency UnitSnap automatically saves your last-used source and target units as preferences, so you can pick up right where you left off. If you frequently convert kilometers to miles, the app remembers your selection, allowing you to input new values without reselecting units each time, streamlining your workflow. • Lightweight and Efficient for Hassle-Free Use UnitSnap is designed to be lightweight, with a small app size and fast launch times, ensuring smooth operation even on older iPhone models. Whether you're in a classroom, at a meeting, or on the go, UnitSnap provides quick conversions without draining your device's resources, offering a clutter-free experience. [Use Cases] Study: Students can convert units for physics, math, or chemistry, such as meters to feet or Celsius to Kelvin. Work: Engineers, architects, or researchers can convert speed, angle, or mass units for technical data. Travel: Convert local imperial units (like miles or Fahrenheit) to metric units (like kilometers or Celsius) while traveling abroad. Daily Life: Switch ounces to grams for cooking, miles to kilometers for fitness tracking, or area/volume units for shopping. Download UnitSnap today and experience a professional, efficient unit conversion tool! This app is ideal for students, professionals, and anyone needing quick unit conversions. Give it a try—we’d love to hear your feedback to make UnitSnap even better!
Screenshots
Verdict
The clearest difference is device support: QR Tool at 3 against UnitSnap's 1. QR Tool also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, 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. QR Tool sells 1 one-off in-app purchase and UnitSnap sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
QR Tool ships an update every 3 months, UnitSnap every 4 months. The most recent releases landed on November 14, 2026 and October 30, 2026 respectively.
| Parameter | QR Tool | UnitSnap |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 4 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 45 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Hasan KOC | Chia-Chun Hsieh |
In-app purchases
QR Tool
- Qr Tool Pro$0.99
UnitSnap
- Remove Ads$0.99









