Comparison

Wire & Load vs Ampace One

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Wire & Load

Features
Read full description

Stop guessing the right wire size. Wire & Load is the no-internet-needed reference every electrician and maintenance tech wants in their pocket. GET AN INSTANT RECOMMENDATION for AWG / mm² wire size, voltage drop percentage, and the matching standard circuit breaker — driven by NEC 2023 / 75°C ampacity tables and the 240.6(A) breaker series. WHAT'S INSIDE • Voltage-drop calculator — single- and three-phase, copper or aluminum • Configurable voltage-drop limit (0.5% – 10%) • NEC 240.4(B) next-size-up breaker rule applied automatically • 60°C limits for 14/12/10 AWG copper and 12/10 AWG aluminum pre-applied per NEC 240.4(D) • Continuous-load (≥ 3 hr) 1.25× multiplier toggle • Power-mode input — enter watts and power factor, the app derives the working current OFFLINE REFERENCE TABLES • AWG ↔ mm² ↔ diameter (ASTM B258) • Copper and aluminum ampacity (NEC 310.16, 75°C) • Standard breaker sizes (NEC 240.6(A)) • Motor starting inrush multipliers — DOL, star-delta, soft starter, VFD (NEMA MG-1) DESIGNED FOR THE FIELD • Works on any job site, no signal needed • Search built into every reference table • Both AWG and mm² always shown on results • Switch between metric (mm² / m) and imperial (AWG / ft) • Localized in English, Spanish, Japanese, French, German, and Portuguese PRIVACY FIRST No accounts. No analytics. No ads. No tracking. Your inputs never leave your device. PRICING Try Wire & Load free for 7 days. After that, unlock lifetime access for a single $1.99 purchase — no subscription, no recurring charges, free updates. DISCLAIMER This app provides general reference information based on commonly-used electrical engineering tables and formulas. Results are estimates and do not constitute professional engineering advice. Always follow the electrical code applicable in your jurisdiction and consult a licensed electrician or engineer.

About

Ampace One

Features
Read full description

- 连接设备:通过蓝牙轻松连接您的Ampace设备。 - 监控设备:实时监测设备状态、电量、充放电剩余时间等。 - 控制设备:实时控制设备的充放电功率、截止SOC等。 - 固件升级:轻松更新设备的最新固件,确保设备安全和稳定。

Screenshots

Wire & Load4 screens
Ampace One4 screens

Verdict

The call

The clearest difference is in-app purchases: Ampace One at none against Wire & Load's 1. Ampace One also leads on iOS requirement (12.0 vs 16.6). Wire & Load's advantage is update cadence (every 2 months vs every 3 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Wire & Load sells 1 one-off in-app purchase. Ampace One asks for nothing beyond the download.

UpkeepUpdate frequency

Wire & Load ships an update every 2 months, Ampace One every 3 months. The most recent releases landed on October 28, 2026 and October 13, 2026 respectively.

Scorecard3 real differences · 3 level
Wire & Load versus Ampace One: the parameters behind the verdict, then further details
ParameterWire & LoadAmpace One
PriceFreeFree
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.612.0 — better
Further details — not scored
Size3 MB101 MB
Age rating4+4+
DeveloperShenzhen Fu Kang Heng Development Co., Ltd.Xiamen Ampace Technology Limited

In-app purchases

1 purchases

Wire & Load

One-time1
  • Lifetime Access$1.99
None

Ampace One

No in-app purchases

Questions

Is Wire & Load free?
Wire & Load is free to download, with in-app purchases available.
Is Ampace One free?
Ampace One is free to download, with no in-app purchases.
Do Wire & Load or Ampace One have ads?
Neither Wire & Load nor Ampace One shows ads.
Which is updated more often, Wire & Load or Ampace One?
Wire & Load ships an update every 2 months, and Ampace One every 3 months. Most recently, Wire & Load was updated on October 28, 2026 and Ampace One on October 13, 2026.

Other comparisons