Based on the users' reviews of the "Lingvan" free translation app, here are three cons and pros in 15 words or less each: **Cons:** 1. "Poor translation quality, often mistranslates important phrases and sentences." 2. "App frequently crashes and closes unexpectedly, frustrating to use." 3. "Limited vocabulary, struggles to translate technical or specialized terms accurately." **Pros:** 1. "Convenient and easy to use, translates text quickly and accurately most times." 2. "Simple and intuitive interface, even for those unfamiliar with translation apps." 3. "Good for general conversations and simple translations, reliable for casual use."