单位转换器 vs elec tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
单位转换器
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单位转换器支持长度重量面积体积温度速度时间压强能量功率等换算，支持输入即算和单位互换，支持常用分类快速切换，适合学习工程办公日常使用
elec tools
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elec tools 是一款简洁实用的电子工程计算工具，适合工程师、学生和电子爱好者日常使用。 主要功能： • 电阻色环识别 — 4色环/5色环快速解码，支持色环对照表 • 电感色环识别 — 4色环电感值解码 • RC时间常数计算 — 支持充电/放电模式，含曲线可视化 • Buck电路计算 — 开关电源参数快速计算 • 更多工具持续更新中 设计简洁，操作直观，无广告，无需注册，离线可用。
Screenshots
Verdict
The clearest difference is ads: elec tools at none against 单位转换器's shown. elec tools also leads on iOS requirement (13.0 vs 16). 单位转换器's advantage is update cadence (every 2 days vs every 6 days). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
单位转换器 ships an update every 2 days, elec tools every 6 days. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.
| Parameter | 单位转换器 | elec tools |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 6 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 16 | 13.0 — better |
| Further details — not scored | ||
| Size | 15 MB | 21 MB |
| Age rating | 17+ | 4+ |
| Developer | 志雄 黄 | 德绪 郑 |
In-app purchases
单位转换器
No in-app purchases
elec tools
No in-app purchases
