Opti vs tec.dloto
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Opti
Read full descriptionHide full description
The Opti-Lock mobile app's primary objective is to address the challenges and risks involved in the delivery of chemicals. In order to safeguard both customers and delivery personnel, chemicals often require specialized handling and transportation, as well as delivery to the right location.
tec.dloto
This app digitizes Lockout-Tagout (LOTO) procedures for industrial environments, replacing paper-based systems with a traceable digital workflow. It enables safer, faster execution of energy isolation tasks with features like QR code scanning and image capture for verification.
- End-to-end LOTO execution with guided workflows
- QR code scanning for machine access
- Digital approval workflows for LOTO requests
- Image capture for compliance verification
- Secure and traceable audit trails
- Cloud-based centralized control for multiple sites
Read full descriptionHide full description
tec.dloto is a powerful mobile application that digitizes Lockout-Tagout (LOTO) procedures—enabling safer, faster, and audit-ready execution of energy isolation in industrial environments. Built for use by maintenance teams, safety officers, and plant managers, tec.dloto eliminates paper-based coordination and replaces it with a centralized, structured, and traceable digital system. Key Features End-to-End LOTO Execution Digitally perform all tasks in LOTO activities with guided workflows and checkpoints. QR Code-Based Access Scan machine QR codes to view real-time details of the machine, LOTO tasks, and activity status. Approval Workflows Approvers can securely review and approve or reject LOTO requests through a dedicated portal. Image Capture for Verification Upload photos at key steps to create visual documentation for compliance tracking. Secure Audit Trails Every action is logged with timestamps and user details, creating a full traceable history for every activity. Cloud Access & Centralized Control Manage LOTO across multiple sites with a scalable, cloud-based platform.
Screenshots
Verdict
The clearest difference is update cadence: Opti at monthly against tec.dloto's every 3 months. Opti also leads on iOS requirement (11.0 vs 15). On price, ads, 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.
Opti ships an update monthly, tec.dloto every 3 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.
| Parameter | Opti | tec.dloto |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15 |
| Further details — not scored | ||
| Size | 30 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Hydrite Chemicals | K.A. Schmersal GmbH & Co. KG. |
In-app purchases
Opti
No in-app purchases
tec.dloto
No in-app purchases







