WitExpert vs CoreUnit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WitExpert
Read full descriptionHide full description
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。
CoreUnit
Read full descriptionHide full description
CoreUnit is a simple yet powerful utility designed for your daily life. Convert everything from basic units to complex date calculations in one clean, intuitive interface. No more searching for different calculators – CoreUnit has the core essentials you need. Key Features: - Unit Conversion: Easily convert Length, Speed, Weight, Volume, and Area. - Date Converter: Seamlessly switch between Solar and Lunar calendars. - Date Calculator: Calculate D-Days and add/subtract days from any specific date. - Modern Interface: A clean, ad-supported free service with a focus on user experience.
Screenshots
Verdict
The clearest difference is ads: WitExpert at none against CoreUnit's shown. WitExpert also leads on iOS requirement (11.0 vs 16.0). CoreUnit's advantage is update cadence (every 3 weeks vs every 6 weeks). 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.
WitExpert ships an update every 6 weeks, CoreUnit every 3 weeks. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.
| Parameter | WitExpert | CoreUnit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 11.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 65 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | 上海辉泰信息科技有限公司 | Younghan Kim |
In-app purchases
WitExpert
No in-app purchases
CoreUnit
No in-app purchases
