Load Calc NEC 220 Service icon

Load Calc NEC 220 Service

ZkDev

★ 4.4 (7 ratings)

⬇ 100+ downloads

Est. actual: 375

Free

Released: Feb 28, 2026

IAP: $4.99 per item

Contains ads

Signals

4 this week · 1 positive · 2 warnings All of this week's signals →

📈Last 7 days +14 installs — 65% slower than the week before (+40) · 2/day since Oct 7
🏆Among Tools apps top 33% by installs gained this week (1237 peers growing)
⭐Rating ★ 5.00 → 4.43 since Oct 7
🛠Updates quiet · updated 58 days ago

Installs since launch

+54 installs · +1 ratings since Oct 7

Update history

1.1.10 Sep 16, 2026 · seen Oct 24, 2026

Added a link to TradeTools — the one-app version of this calculator and 61 more, for HVAC, electrical, plumbing, fire protection, solar and carpentry. Nothing else changed.

Only the current version so far — new entries appear as the app ships updates.

Load Calc NEC 220 Service is a tools app by ZkDev with 100+ downloads (about 375 estimated). +14 installs in the last 7 days. Rated 4.4 from 7 ratings. Released Feb 28, 2026. Install growth, rank history, SDKs and ad networks.

From the store listing: “NEC residential load calculator. Service sizing 100A-600A. NEC 2023 & 2026.”