WitExpert vs SKF云图
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WitExpert
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通过物联网高频振动传感器和边缘计算网关采集减速机的状态数据，WitExpert利用智能算法模型对数据进行深层次分析，实现不平衡、不对中、松动、齿轮磨损、轴承老化等减速机故障的预测及诊断。
SKF云图
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SKF云图APP，是基于IoT，云计算，人工智能等技术，贯穿数据采集、边缘计算、 状态监测、故障诊断、可视化建模全业务路径的设备智能运维平台，以数字技术驱动智 能化故障预测和设备健康管理（PHM）,实现设备运维的降本、增效、提质。
Screenshots
Verdict
The clearest difference is iOS requirement: WitExpert at 11.0 against SKF云图's 13.0. On price, update cadence, ads 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.
WitExpert ships an update every 6 weeks, SKF云图 monthly. The most recent releases landed on September 19, 2026 and September 11, 2026 respectively.
| Parameter | WitExpert | SKF云图 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 65 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | 上海辉泰信息科技有限公司 | SKF (China) Co., Ltd. |
In-app purchases
WitExpert
No in-app purchases
SKF云图
No in-app purchases
