Yeomans (22) has moved to Causeway Lane on a three-month loan deal, while Vince (18) has switched on a season-long youth loan arrangement.
Both players have a 24-hour recall clause after the completion of the first 28 days of their respective loan spells.
Yeomans has made 19 appearances for the Pilgrims so far this season, scoring once, while Vince has scored once in 18 outings.