A startup-friendly app partner should move quickly without breaking product logic, keep delivery visible, and make trade-offs explicit. Below is a compact, founder-oriented shortlist drawn from vetted research pieces that profile studios with repeatable MVP practice, lean discovery, and reliable release habits. Each entry focuses on what the company is known for with early-stage teams, so you can compare strengths instead of slogans. DBB Software Known for fast MVP launches supported by optional use of pre-built solutions that speed up development by up to 50%, and an emphasis on measurable activation, DBB Software runs discovery, engineering, and QA with tight feedback loops and frequent demos. If your goal is to get to a usable release in weeks rather than quarters,