Resistor vs 分贝仪噪音测试
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Resistor
This application simplifies electronic circuit calculations with tools for series/parallel resistance, LED current limiting, and three-phase circuit conversions. It also features a resistor color code decoder for quick component identification.
- Series/parallel resistor calculator
- LED series resistor calculator
- Star-delta and delta-star converters
- Resistor color code decoder
- Intuitive interface
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Resistor Calc is an essential tool for anyone working with electronic circuits and resistors. Designed to streamline complex calculations and provide invaluable insights, this powerful app for iOS devices is a must-have in your toolkit. At the heart of Resistor Calc lies a comprehensive suite of calculators tailored to the needs of electrical engineers, students, hobbyists, and professionals. The series/parallel calculator makes it a breeze to determine the equivalent resistance for even the most intricate circuit configurations, eliminating the need for tedious manual calculations prone to errors. The LED series resistor calculator is a game-changer for those working with LED lighting systems. Simply input the required parameters, and Resistor Calc will recommend the ideal resistor value to ensure proper current limiting and protect your LEDs from potential damage, ensuring optimal performance and longevity. For three-phase circuits, the app's star-delta and delta-star converters streamline the process of switching between different wiring configurations. Whether you need to convert from star to delta or vice versa, Resistor Calc has you covered, saving you valuable time and effort. But the true standout feature of Resistor Calc is its powerful resistor color code decoder. Never again will you need to decipher those tiny colored bands manually. Simply input the color codes, and the app will instantly reveal the resistor's value, tolerance, and other essential information, making component identification a breeze and saving you countless hours of frustration. With its sleek and intuitive interface, Resistor Calc is designed for seamless navigation and ease of use. Whether you're a student grappling with complex circuit problems or a seasoned professional tackling intricate projects, this app empowers you with accurate and reliable calculations at your fingertips. Download Resistor Calc today and experience the power of efficient circuit analysis and resistor management on your iOS device. Streamline your workflow, minimize errors, and unlock new levels of productivity in your electrical engineering endeavours.
分贝仪噪音测试
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分贝仪噪音测试是一款用于日常环境噪音参考测量的轻量工具。打开应用即可查看实时 dB(A) 数值、音轨变化、平均值、峰值和测量时长,帮助你快速了解办公室、图书馆、卧室、街边等场景的声音强弱。 【主要功能】 1. 实时分贝测量:授权麦克风后展示当前分贝、平均值、峰值与环境等级。 2. 清晰仪表盘:半圆仪表、频谱音轨和颜色分区帮助快速判断安静、正常、嘈杂等状态。 3. 结果保存与分享:测量完成后可保存记录,便于回看和分享。 4. 历史记录管理:按时间查看测量数据,辅助比较不同环境。 5. 本地隐私处理:仅用于环境音量估算,不录音、不上传音频。 【适用场景】 - 查看居家、办公室、图书馆等环境是否过吵。 - 记录装修、交通、设备运转等噪音变化。 - 保存一次测量结果,作为日常参考。 【提示】 受手机麦克风、设备型号和环境影响,测量结果仅供参考,不作为专业声学检测或法律证据。
Screenshots
Verdict
Resistor and 分贝仪噪音测试 are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Resistor | 分贝仪噪音测试 |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 16 months | — |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 22 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Anas Abubakar | Qun Cao |
In-app purchases
Resistor
No in-app purchases
分贝仪噪音测试
No in-app purchases









