Application Development 21
Every Application Development 21 app we track, ranked by estimated monthly revenue — portfolio-level reach and per-app estimates from live App Store signals.
| Apps tracked | 1 |
|---|---|
| Est. portfolio revenue / mo | ~$966 |
| Est. portfolio downloads / mo | ~2k |
| Total ratings | 1,500 |
| Data updated | 02.08.2026 |
Downloads / mo · WW
800–3k
Revenue / mo · WW
$400–$2k
★4.3(2k)Released 26.03.2018