货架追踪 vs 单位转换器
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
货架追踪
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针对船舶行业开发的海运货架追踪系统，一方面解决了货架无法知道当前具体位置的问题，另一方面也方便了企业管理者对货架的管理，用户可以快速查询、定位货架当前位置。
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
Screenshots
Verdict
The clearest difference is update cadence: 单位转换器 at every 2 days against 货架追踪's every 2 months. 单位转换器 also leads on device support. 货架追踪's advantage is iOS requirement (13.0 vs 16). On price and in-app purchases 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.
货架追踪 ships an update every 2 months, 单位转换器 every 2 days. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.
| Parameter | 货架追踪 | 单位转换器 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 days — better |
| Ads | — | Yes |
| In-app purchases | No | No |
| Devices | — | iPhone, iPod — better |
| Requires iOS | 13.0 — better | 16 |
| Further details — not scored | ||
| Size | 35 MB | 15 MB |
| Age rating | 17+ | 17+ |
| Developer | 广州中远海运船舶技术工程有限公司 | 志雄 黄 |
In-app purchases
货架追踪
No in-app purchases
单位转换器
No in-app purchases
