Beginners do not have an app problem. They have a decision problem: what mix of stocks and bonds, and which funds fill it.
- The classic setup: one total-market fund, one bond fund, automatic contributions; that is a complete portfolio - A builder earns its keep for people who will not start without scaffolding: timeline, risk tolerance, suggested mix - Beware builders that gamify it; if it pushes thematic funds or constant tweaking, it is a casino with educational branding - Compare two or three candidates per slot, check fees, holdings, and overlap, then move on - Hesitation costs more than a basis point; do not research for six months what takes an afternoon
Overlap ($4.99 one-time) takes your goal and risk level and suggests the ETF mix, overlap-checked, for beginners who want the scaffolding.