Electrical Calculations vs 查农证
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Electrical Calculations
This app provides a comprehensive suite of electrical calculations for professionals. It supports various international standards and offers detailed reports in PDF format. The tool covers wiring, power, motor, and electronic calculations, along with extensive conversion tables and resources.
- Wire size and voltage drop calculations
- Power, current, and resistance calculations
- Motor performance and connection diagrams
- Electronic component calculations
- Extensive unit conversions
- PDF report generation
- Support for IEC, CEI, NEC, CEC standards
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Electrical Calculations is the PROFESSIONAL app for those who work with electrical systems every day: design, size and verify in just seconds, from the job site or the office. Over 200 calculations, diagrams, formulas and tables in a single app, with clear, printable PDF reports to attach to your documents. Designed for electricians, installers, designers and surveyors, it saves you time and helps you avoid mistakes: from cable sizing to short circuit. COMPLIANT WITH STANDARDS Reliable results aligned with the main standards: IEC (International Electrotechnical Commission), CEI (Italian Electrotechnical Committee), NEC (National Electrical Code), CEC (Canadian Electrical Code). WHY CHOOSE IT SAVE TIME: the calculations you'd do by hand, instantly available here. AVOID ERRORS: verified formulas and up-to-date regulatory parameters. PROFESSIONAL REPORTS: PDF reports ready for printing and archiving. ALWAYS WITH YOU: over 200 tools including calculations, converters, tables and pinouts. THE MOST USED CALCULATIONS Cable sizing and coordination with the protective device, voltage drop, operating current, current intensity, voltage and power (active, reactive, apparent). Power factor and power factor correction. Current capacity of conductors and busbars, sizing of conduits and trunking, maximum cable length. SHORT CIRCUIT AND PROTECTION Short-circuit current at a point on the line, earthing system and coordination with the residual current device, cable protection against short circuit (K²S²), power loss, cable temperature, neutral current. ELECTRIC MOTOR Motor current, power, voltage, efficiency and power factor, slip, speed, maximum torque and full-load current. Three-phase motor connection diagrams, terminal markings. Three-phase to single-phase. ELECTRONICS Color and alphanumeric codes for resistors, capacitors and inductors, SMD code, LED resistor, voltage and current divider, Zener diode, battery life, resonant frequency, fuses and transformers. CONVERSIONS Delta-star, AWG, SWG, cross-section, length, energy, temperature, pressure, Ah/kWh, var/µF, Gauss/Tesla, RPM and many more. RESOURCES AND TABLES Tripping curves, cable reactance and resistivity, cable dimensions and weight, distribution systems (TT, TN, IT), IP/IK/NEMA protection ratings, ATEX marking, insulation classes, electrical symbols, ANSI device codes, plugs and sockets, IEC 60309, NEMA and EV charging connectors, SI prefixes and units of measurement, thermistors and thermocouples. PINOUTS Ethernet RJ-45, Ethernet with PoE, USB, HDMI, VGA, DVI, RS-232, FireWire, SATA, DisplayPort, Apple Lightning, Raspberry Pi, OBD II, XLR audio/DMX, MIDI, Jack, RCA, Thunderbolt, SD Card, SIM Card and LED. Stop searching everywhere for formulas and tables: PUT YOUR ENTIRE ELECTRICAL LAB IN YOUR SMARTPHONE. Download Electrical Calculations and work faster, with standards-compliant results. Terms of service (EULA): https://www.egalnetsoftwares.com/terms_of_service_app/
查农证
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「查农证」专业的农药登记信息查询工具。 查农证专注于农药登记信息查询,为农业生产者、农资经营者、植保技术人员和农业服务机构提供便捷、高效的查询服务。 通过关键词搜索或语音查询,即可快速获取农药登记证相关信息。 1、主要功能 语音搜索:支持语音输入,提高查询效率。 农药登记证查询:支持登记证号、产品名称、有效成分等多种方式查询。 产品信息查询:查看产品名称、剂型、总含量、毒性等级、登记持有人等基础信息。 有效成分查询:查看产品有效成分及含量信息。 使用范围查询:查看登记作物、防治对象、使用剂量、施药方法 标签信息查询:快速查看农药标签信息。 收藏查询记录:收藏常用产品,方便随时查看。 2、适用人群: 包括:种植户;农资经营人员;农药销售人员;农业技术推广人员;植保服务组织;农业科研人员;农业院校师生 3、数据说明 本应用展示的农药登记信息来源于公开发布的农药登记数据,仅供参考。 实际使用时请以产品标签及相关主管部门最新公布信息为准。
Screenshots
Verdict
The clearest difference is in-app purchases: 查农证 at none against Electrical Calculations's 3. 查农证 also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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
Both are free to download. Electrical Calculations sells 3 in-app purchases, starting at $3.99 per 3 months. 查农证 asks for nothing beyond the download.
Electrical Calculations ships an update every 2 weeks, 查农证 fortnightly. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.
| Parameter | Electrical Calculations | 查农证 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (129 ratings) — better | — |
| Positive reviews | 86.7% of reviews | — |
| Number of ratings | 129 — better | — |
| Update frequency | Every 2 weeks | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 56 MB | 3 MB |
| Age rating | 4+ | 12+ |
| Developer | Egal Net di Ettore Gallina | 经 唐 |
In-app purchases
Electrical Calculations
- PRO Version (3 months)$3.993 Months
- PRO Version (1 year)7 Days trial$7.491 Year
- PRO Version (Lifetime)$89.99
查农证
No in-app purchases
Questions
Is Electrical Calculations free?
Is 查农证 free?
Do Electrical Calculations or 查农证 have ads?
Which is updated more often, Electrical Calculations or 查农证?
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