Precisely because the Rule of Saint Augustine is so much briefer and less procedurally specific than the Rule of Saint Benedict, later religious founders repeatedly chose it as a foundation onto which they could build their own more detailed constitutions suited to a particular mission, rather than adopting it as a complete, self-sufficient system the way Benedictine houses generally adopted Benedict's rule whole.
The order of Augustinian Canons and later the Augustinian Friars took their name directly from it, but so did the Dominicans, founded by Dominic de Guzman specifically to combine Augustine's communal rule with a mission of preaching and study that the original rule had never envisioned, and numerous congregations of canons regular across medieval Europe organized themselves under Augustine's name while writing their own detailed local constitutions to sit alongside it. This pattern, a short, flexible foundational rule paired with order-specific supplementary legislation, made Augustine's rule one of the two or three most influential texts in the entire history of Western Christian monasticism, shaping communities whose specific work, contemplative, mendicant, academic, active in the world, would have been unrecognizable to Augustine himself, precisely because the rule he left behind specified the spirit of common life far more than it specified any particular way of living it.