IO vs 计数器
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IO
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Forget paper checklists. Check I/Os directly on the machine – where sensors and actuators are located. IO-INSPECTOR is an independent third-party tool for commissioning and functional testing in industrial automation environments. With your iPad or iPhone you can observe, document and - if approved, technically permissible and safety-compliant - switch/control signals on site. Less shouting in the workshop, less manual checking and more clarity right where the work takes place. WHY IO-INSPECTOR? • Project and variable import (for TIA Portal® projects): Import variable lists from common export formats (e.g. .xlsx or .csv). IO-INSPECTOR adopts the structure, data types and comments from the file provided - manual re-entry is not necessary. • HMI View Smart Connector: Quickly connect to your system and conveniently access information relevant to commissioning. The Smart Connector is intended to simplify connection and access to the required displays/views in practice - without having to imply an official manufacturer affiliation. • Fast system connection: Detect and connect devices in the local network quickly and clearly. • Live status and targeted control (OPC UA): Connect to compatible controllers via OPC UA and check signals in real time. • Observe: Track changes immediately. OPC is also accessible via the WebSocket protocol. • Control: Set outputs or markers specifically (Force/Modify), provided this is activated in the environment and meets the safety requirements. • Diagnostics: Identify problems more quickly, such as cabling or logic problems. • Digital documentation (PDF): Check off test steps digitally, add notes (e.g. “Sensor defective”, “Adjustment required”) and export a PDF report with your company logo and timestamp. • Filter and search: Filter by status (“Open”, “Done”) or search directly by symbol name. • Mark changes (round-trip support): Mark typos or name adjustments in the app so that you can later apply them in your engineering project in a controlled manner. • Share and collaborate on projects: Share projects so colleagues can continue with the same project status - including testing status and documentation progress (depending on the sharing/export method chosen). TECHNICAL NOTES/REQUIREMENTS • Compatibility: Developed for environments with SIMATIC® S7-1200 (FW 4.0+) and SIMATIC® S7-1500. • OPC UA: OPC UA must be activated on the CPU. Basic access may not require an additional license depending on your configuration; Actual requirements depend on device, firmware and project configuration. • Signals: Supports digital and analog signals (depending on project/export data and target system). • Network/Offline: Use in the machine's local WLAN; Project-related features can also be available without the Internet (depending on the scope of functions). PRICES • Download IO-INSPECTOR for free to create projects and use network scanning. Upgrade options are available for extended functions (e.g. project import, HMI write access (power tags), PDF export, OPC interface, HMI Smart Connector). • Download IO-INSPECTOR and simplify commissioning. Legal notice/trademark: IO-INSPECTOR is an independent third-party software. SIMATIC®, TIA Portal®, S7® as well as S7-1200 and S7-1500 are trademarks of Siemens AG. This app has no business relationship with Siemens AG and is not developed, supported or distributed by Siemens. All product and company names are used solely to describe compatibility and belong to their respective owners.
计数器
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计数器是一款专注高频重复计数场景的离线工具,适合需要快速计数、记数、点数、累计次数和查看变化记录的用户。无须注册,无须联网,打开即可使用,帮助你更轻松地完成训练计次、库存盘点和日常手动统计。 核心功能: - 多计数器管理:支持创建多个项目,自由切换、重命名、删除和排序 - 快速加减计数:大按钮一键累加,小按钮便捷回退,数值不会减到负数 - 步进设置:可按需要调整步进值,适合不同节奏的 clicker、tally、count、score 记录需求 - 历史记录:自动保存最近操作,回看每一次加减与归零变化 - 基础统计:查看当前数值、累计增加、累计减少和最近更新时间 - 桌面小组件:无需进入 App,也能快速查看当前计数状态 - 个性化外观:支持浅色、深色、跟随系统,并提供多套主题皮肤 - 本地离线保存:数据存储在设备本地,随开随用,更专注也更安心 适用场景: - 训练次数记录 - 库存盘点与数量清点 - 手动加减统计 - 多项目同步记录 为什么选择这款计数器: 它不仅能满足基础计数、记数、点数器需求,还兼顾多项目切换、历史记录、基础统计和小组件查看体验。无论你是想找一个轻量好用的按键计数工具,还是需要支持步进、归零和本地保存的计次工具,都可以快速上手。 如果你正在寻找一款简单、清爽、离线可用的计数器 App,这款应用会是稳定可靠的选择。
Screenshots
Verdict
The clearest difference is in-app purchases: 计数器 at none against IO's 1. IO's advantage is update cadence (every 2 weeks vs every 3 weeks). On ads, device support and iOS requirement 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
IO ships an update every 2 weeks, 计数器 every 3 weeks. Both last shipped on November 5, 2026.
| Parameter | IO | 计数器 |
|---|---|---|
| Price | Free — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 15 MB | 5 MB |
| Age rating | +4 | 4+ |
| Developer | CJ Solution UG (haftungsbeschraenkt) | 创宏 陈 |
In-app purchases
IO
- Pro Version Lifetime$17.99
计数器
No in-app purchases









