The salary trajectory of a a Mobile Applications Developer ranges between locations and employers. The salary starts at £28,332 per year (estimate) and goes up to £83,129 per year (estimate) for the highest level of seniority.
The estimated average salary for a Mobile Applications Developer at String is £40,728 per year or £20 per hour, but some professionals have reported earning up to roughly £73,636 per year (90th percentile). The typical pay range is between £30,293 (25th percentile) and £55,283 (75th percentile) annually. This is based on 1 salaries submitted by String Mobile Applications Developer professionals on Glassdoor, as of Jun 2026.