Rob Duell PhD
Every Rob Duell PhD app we track, ranked by estimated monthly revenue — portfolio-level reach and per-app estimates from live App Store signals.
| Apps tracked | 2 |
|---|---|
| Est. portfolio revenue / mo | ~$2 |
| Est. portfolio downloads / mo | ~3 |
| Total ratings | 3 |
| Data updated | 17.06.2026 |
Downloads / mo · WW
1–4
Revenue / mo · WW
$1–$3
★5.0(2)Released 06.03.2018
