Comparison

Opti vs tec.dloto

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Opti

Features
Read 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.

About

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.

Highlights
  • 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
Features
Read 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

Opti4 screens
tec.dloto4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Opti ships an update monthly, tec.dloto every 3 months. The most recent releases landed on September 17, 2026 and September 15, 2026 respectively.

Scorecard2 real differences · 7 level
Opti versus tec.dloto: the parameters behind the verdict, then further details
ParameterOptitec.dloto
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyMonthly — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better15
Further details — not scored
Size30 MB38 MB
Age rating4+4+
DeveloperHydrite ChemicalsK.A. Schmersal GmbH & Co. KG.

In-app purchases

None

Opti

No in-app purchases

None

tec.dloto

No in-app purchases

Questions

Is Opti free?
Opti is free to download, with no in-app purchases.
Is tec.dloto free?
tec.dloto is free to download, with no in-app purchases.
Do Opti or tec.dloto have ads?
Neither Opti nor tec.dloto shows ads.
Which is updated more often, Opti or tec.dloto?
Opti ships an update monthly, and tec.dloto every 3 months. Most recently, Opti was updated on September 17, 2026 and tec.dloto on September 15, 2026.

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