Duolingo vs. Think Dirty - Beauty, Personal and household ingredient scanning app
Duolingo
Duolingo is an app and website designed to help people learn languages in a simple and engaging way. It’s free to use, though there are paid options that remove ads and offer extra features. The lessons are short and interactive, with exercises that involve matching words, listening to sentences, speaking, and translating. A green owl named Duo acts as the app’s mascot—offering encouragement when you stay on track and reminders when you don’t. The platform offers a wide range of languages, from widely spoken ones like Spanish, French, and Chinese to less common choices like Welsh, Hawaiian, and even fictional languages like Klingon and High Valyrian. Lessons focus on practical, everyday communication—like ordering food or asking for directions—though you’ll occasionally encounter quirky sentences that are memorable in their oddness. Duolingo adapts to your progress: if you’re struggling, it slows down; if you’re doing well, it introduces more challenging material. There are game-like...
Think Dirty - Beauty, Personal and household ingredient scanning app
WE EMPOWER INGREDIENT-CONSCIOUS CONSUMERS TO CHOOSE THE SAFEST BEAUTY, PERSONAL + HOUSEHOLD PRODUCTS! Think Dirty® app is the easiest way to learn ingredients in your beauty, personal care and household products. Just scan the product barcode and Think Dirty will give you easy-to-understand info on the product, its ingredients, and shop cleaner options!

Reviews
Reviewed on 1/27/2025
I love Duolingo but I don't love the ads. There are too many of them and they completely kill my flow :(

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Frequently Asked Questions
Duolingo is primarily focused on language learning, offering a comprehensive Mandarin Chinese course that covers vocabulary, grammar, tones, characters, and pinyin. In contrast, Think Dirty is designed for consumers who want to understand the ingredients in beauty, personal care, and household products by scanning barcodes. Therefore, if your goal is to learn a language, Duolingo is the better choice, while Think Dirty is more suitable for those interested in product safety and ingredient transparency.
Duolingo, being a well-known language learning app, typically has a larger user base and higher engagement levels due to its gamified learning approach and extensive language offerings. Think Dirty, while valuable for ingredient-conscious consumers, caters to a more niche audience focused on product safety. Thus, Duolingo likely has more user engagement overall.
Duolingo has a notable drawback of displaying ads, which can interrupt the user experience. On the other hand, Think Dirty does not have any listed cons, making it potentially more appealing for users who prefer an ad-free experience. Therefore, Duolingo has more drawbacks compared to Think Dirty.
Duolingo is an app and website designed to help people learn languages in a simple and engaging way. It offers a wide range of languages, from popular ones like Spanish and French to less common choices like Welsh and even fictional languages like Klingon. The lessons are short, interactive, and focus on practical communication skills.
The main pro of Duolingo is its engaging and interactive approach to language learning, making it convenient and easy to use. However, a notable con is the presence of ads, which some users find disruptive to their learning experience.
Duolingo adapts to your progress by adjusting the difficulty of lessons based on your performance. If you are struggling, it slows down the pace, while if you are doing well, it introduces more challenging material to keep you engaged.
Duolingo offers various features to enhance language learning, including game-like elements such as points, streaks, and levels. Additionally, it provides podcasts, stories, and interactive exercises to improve listening and reading comprehension.
Yes, Duolingo is convenient and easy to use, allowing you to practice language skills almost anywhere—whether on the bus, during a lunch break, or before bed.
Think Dirty is an app designed to help ingredient-conscious consumers make safer choices for beauty, personal care, and household products. By scanning a product's barcode, the app provides easy-to-understand information about the product's ingredients and suggests cleaner alternatives.
The Think Dirty app works by allowing users to scan the barcode of beauty, personal care, and household products. Once scanned, the app provides detailed information about the product's ingredients, rating their safety, and offering cleaner options if available.
The main features of the Think Dirty app include the ability to scan product barcodes for ingredient information, a rating system for product safety, and recommendations for cleaner product alternatives. The app aims to empower consumers to make safer choices for their health and the environment.
Anyone who is ingredient-conscious and wants to make safer choices for their beauty, personal care, and household products can benefit from using the Think Dirty app. It is particularly useful for individuals with allergies, sensitive skin, or those looking to reduce their exposure to harmful chemicals.
Yes, the Think Dirty app is free to download and use. However, there may be in-app purchases or premium features available for users who want additional functionalities.