CDHM Tester vs AI指南针助手
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDHM Tester
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The LERO CDHM Series Portable Hydraulic Tester can be used as a stationary or portable tester for hydraulic system diagnostics, and analysis of the prognostic health of a hydraulic system.Testing for Pump, Motor, Cylinder and Valve. CDHM数字式液压测试仪，用于液压系统故障分析和系统的良性循环评估,可通过测试液压泵，阀，油缸的流量、温度和压力来判断. Flow/流量范围:Up to 800 lpm Pressure/耐压范围:Up to 420 bar Flow Direction/测试方向 :directional as arrow/箭头所示方向 Loading Valve(optional)/带加载阀(可选) Wifi function(optional)+App/自带Wifi功能(可选)+App
AI指南针助手
This utility app provides precise location data, including latitude, longitude, and altitude, along with real-time weather information. It offers features like GPS speed measurement, wind direction tracking, and the ability to capture photos with embedded location data. Unlock premium features for an ad-free experience and unlimited usage.
- Latitude and longitude display
- Altitude measurement
- Real-time weather updates
- GPS speed tracking
- Wind direction recording
- Photo geotagging
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指南针方位经纬度海拔测量工具 指南针，一款专业的指南针定位工具，利用网络、GPS 及手机传感器等数据确定您所在地的经纬度、海拔、天气等信息，同时支持实时显示 GPS 详情、GPS 测速、海拔高度、天气、气压、风向等实用内容，帮您更便捷地掌握所处地理位置情况。 功能特性 根据定位信息，显示经纬度、海拔、天气等数据 支持风向记录、海拔记录等功能 支持运动轨迹功能 支持 GPS 测速功能 支持相机拍照并显示经纬度 订阅权益 获取全部精确地理数据 GPS 测速次数不限 经纬相机记录次数不限 流畅无广告使用体验 隐私政策：https://zhouzhongfa.github.io/privacy_policy.html 使用条款：https://zhouzhongfa.github.io/terms_of_use.html
Screenshots
Verdict
The clearest difference is in-app purchases: CDHM Tester at none against AI指南针助手's 3. On price, update cadence, ads 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. AI指南针助手 sells 3 in-app purchases, starting at $9.99 per 7 days. CDHM Tester asks for nothing beyond the download.
CDHM Tester ships an update every 5 weeks, AI指南针助手 monthly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.
| Parameter | CDHM Tester | AI指南针助手 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 5 weeks | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 30 MB | 60 MB |
| Age rating | 4+ | 17+ |
| Developer | 深圳雷诺智能技术有限公司 | 忠法 周 |
In-app purchases
CDHM Tester
No in-app purchases
AI指南针助手
- AI指南针助手专业版3 Days trial$9.997 Days
- AI指南针助手专业版3 Days trial$14.997 Days
- AI指南针助手专业Pro+3 Days trial$14.991 Month
