Numblr helps English learners master the one skill most apps ignore: understanding spoken numbers. Practice with real-world scenarios — dates, times, phone numbers, money — and track your progress with mistake review. Whether you're preparing for IELTS, TOEFL, or just tired of asking "can you repeat that number?", Numblr makes you confident with every digit.

Most indie builders have a real product but zero distribution. Stride Audit diagnoses the gap. Drop your product URL and X handle, and in minutes you get a personalized diagnosis: the specific mismatch between your product and who you're actually reaching. The free report surfaces where your audience hangs out, high-intent search terms they're using, and proof the demand for your product exists. No generic advice. No scores. Just specific findings backed by data.