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A hand holding a phone showing the home screen of the Theo app

From the field to the verification file.

A dMRV platform: a mobile app for the people taking the measurements, a workspace for the project team, and a single evidence registry underneath.

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How it works

Six steps, from project scoping to sharing the project file with the auditor.

Village at the edge of the forest, with a path between the plots

Scoping

You choose the standard, the monitoring approach and the project areas. Theo prepares the forms, the expected evidence and each team member’s role, based on the methodology’s requirements.

Technician checking the list of farmers in the Theo app on their phone

Field data collection

Technicians enter data on their phones, even without network coverage. Farmers, plots, seedling deliveries and photos are recorded with the location, time and author of each entry.

Theo app screen listing validated seedling deliveries

Review and validation

Supervisors review each record before validating it. A correction keeps the previous value and the reason for it, so the auditor sees the complete history.

Technician bending over seedlings in a nursery

Tree monitoring

Survival, replacement planting and measurements are tracked from one monitoring period to the next, plot by plot. Each tree remains traceable to its origin, from the nursery to the planting site.

Participating farmers and a LOCAGRI technician, holding a cocoa pod and a phone

Farmer engagement

Signed agreements, training attended, seedlings received: each farmer’s commitment is on record, and so is the project’s benefit sharing.

Theo screenshot: QR code of a delivery note and the PDF export button

Sharing the file

The auditor and investors can view the evidence, its versions and the supporting documents. Each evidence item has its own QR code and can be exported as a PDF.

Theo Mobile

The app for technicians, nursery operators and farmers. It works without network coverage, in French, on entry-level Android phones.

  • Planned and received seedling deliveries
  • Farmer and plot records
  • Photos, signatures and QR codes
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A nursery operator tending young seedlings under shade netting
Plots screen of the Theo mobile app: a farmer’s plot outlined on the map, with its area and number of trees
Theo mobile app screen: a plot boundary being recorded point by point, with the GPS accuracy

Plot mapping

The technician walks around the plot. The phone records the boundary point by point and shows the GPS accuracy.

New monitoring visit screen of the Theo mobile app: date, tree condition, height, diameter and photo

Monitoring each tree

Condition, height, diameter and photo: each visit is added to the tree’s history, even without network coverage.

Theo Desktop

The project team’s workspace. Every step writes to the same registry: nothing is entered twice, nothing has to be reconciled afterwards.

  • Plots, farmers and stakeholders
  • Validation and tracked corrections
  • Methodology requirements tracking
  • Project file shared with the auditor
See how requirements are tracked
Theo screenshot: map of a plot and its trees in the Farmers section

What the platform keeps for you

Every data point carries its own evidence, with no extra data entry for field teams.

  • Evidence for every entry

    Author, device, time, location and hash of every photo.

  • Tracked corrections

    A corrected value keeps its history and the reason for the change.

  • Role-based access

    Everyone sees what is relevant to them, from the technician to the auditor.

  • Measurement calculations

    Biomass and carbon per tree, stocks per sample plot.

Your data stays yours

  • Locked evidence

    Photos and documents cannot be altered once uploaded.

  • A hash for every evidence item

  • Full export

    Your data can be exported at any time in open formats.

Let’s talk about your project

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