Maintenance.ON vs MetisAI
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Maintenance.ON
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Maintenance.ON is the digital solution for managing, tracking, and documenting maintenance activities for Herrenknecht machines and equipment from any manufacturer. Designed for demanding tunneling environments, the app brings together preventive scheduling, corrective maintenance handling, and real-time machine dataβall in one intuitive platform. Preventive Maintenance Made Simple Plan and execute maintenance tasks with clarity. Define tasks based on time or usage and digitally document every step. Whether itβs Herrenknecht equipment or external machinery, Maintenance.ON ensures consistent and reliable maintenance tracking. Access to All Relevant Documentation All essential information is always at hand. Access technical documentation, drawings, and attachments directly within each task. No more searching through folders or paper manualsβeverything is digitally organized and instantly available. Integrated Machine Sensor Data Connect your machines to unlock real-time insights. Operating hours, component usage, and key sensor readings feed directly into maintenance scheduling to keep all data current and aligned with actual machine behavior. Corrective Maintenance & Issue Resolution Record incidents, track repairs, and document corrective work with clarity. Add images, notes, and detailed steps to every case. Maintenance.ON provides full transparency across open issues and supports streamlined resolution. Optimized for Field and Office Whether you are working underground on a tablet or planning in the office on a desktop, Maintenance.ON ensures fast access, synchronized data, and a consistent workflow across devices. With Maintenance.ON, your maintenance teams stay informed, connected, and efficientβevery step of the way.
MetisAI
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Metis is the AI-powered mobile companion for industrial maintenance teams. Built for technicians, operators, and field engineers who need fast answers and reliable tools on the job. KEY FEATURES AI Troubleshooting Chat Get instant, context-aware guidance for equipment issues. Describe a problem by text or voice, and Metis provides step-by-step troubleshooting based on your equipment data, manuals, and maintenance history. Voice Input Hands busy? Tap to record your question and Metis transcribes and responds automatically. Perfect for when you're on the shop floor or in the field. Equipment Management Browse your facility's equipment, view documentation, and scan QR codes for instant access to asset details and history. Task Management View, complete, and track maintenance tasks with a guided step-by-step workflow. Answer fields by text or voice, skip and return later, and review progress at a glance. Report Generation Generate detailed maintenance reports from your chat sessions. Download as PDF or share directly with your team. Shift Passdowns Create and review shift passdown notes so nothing falls through the cracks between shifts. Flag priority items and link related equipment or tasks. Offline-Ready Core features work even when connectivity is limited. Data syncs automatically when you're back online. WHO IT'S FOR Metis is designed for maintenance technicians, reliability engineers, plant operators, and field service teams working in manufacturing, energy, utilities, and other industrial environments. Built by Metis AI β making industrial maintenance smarter.
Screenshots
Verdict
The clearest difference is update cadence: MetisAI at weekly against Maintenance.ON's every 3 weeks. MetisAI also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Maintenance.ON ships an update every 3 weeks, MetisAI weekly. Both last shipped on October 28, 2026.
| Parameter | Maintenance.ON | MetisAI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Weekly β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 17.6 | 15.1 β better |
| Further details β not scored | ||
| Size | 80 MB | 64 MB |
| Age rating | 4+ | 4+ |
| Developer | HERRENKNECHT AG | MetisAI, Inc. |
In-app purchases
Maintenance.ON
No in-app purchases
MetisAI
No in-app purchases
Questions
Is Maintenance.ON free?
Is MetisAI free?
Do Maintenance.ON or MetisAI have ads?
Which is updated more often, Maintenance.ON or MetisAI?
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