The verdict in three sentences
A London natural rubber buyer sourcing from 4,000 smallholders in Côte d'Ivoire must supply its EU tyre and industrial customers with plot-level proof of zero deforestation required by the EU Deforestation Regulation (EUDR): without that data, the rubber can no longer be placed on the European market. A custom app for geolocated data collection, weighing traceability and mobile money payments to farmers, built with the partner cooperative in Abidjan, sits in Kolonell's complex application range, 7,000,000 to 15,000,000+ FCFA (10,670 to 22,870 EUR), with go-live in 4 to 6 months. Against an international platform billed at 3 to 8 EUR per farmer per year, the custom build pays for itself within 2 seasons and the supply chain keeps control of its data.
What the EUDR actually requires upstream
Regulation (EU) 2023/1115 bans placing on the EU market rubber grown on land deforested after 31 December 2020. Its application date has been pushed back more than once, but in 2026 EU customers and Ivorian processors already demand the data upstream. For a buyer, that means a precise list of information to obtain for every lot, usually through the cooperative.
| Requirement | What the supply chain must produce | Suitable tool |
|---|---|---|
| Plot geolocation | GPS point under 4 ha, polygon above | Offline mobile app using the phone's GPS |
| Planting date | Proof it predates 31/12/2020 | Plot record, photos, satellite imagery check |
| Plot, weighing, lot link | Every kilo sold tied to a known plot | Digital weighing ticket, farmer QR code |
| Legality of production | ID, land title or customary land certificate | Digitised farmer file |
| Due diligence statement | Data exportable to the EU operator | GeoJSON export and table per lot |
| Retention | Data kept for 5 years | Central database, backups |
The classic trap is to map polygons once, then lose the link with weekly weighings. The value of the software lies precisely in that link: a farmer whose plot is not mapped cannot be tied to a compliant lot.
Custom build or international platform: 2026 comparison
International platform amounts are 2026 market estimates. Custom amounts follow Kolonell's grid for complex applications.
| Criterion | International traceability platform | Kolonell custom app |
|---|---|---|
| Initial cost | Setup 3,000 to 10,000 EUR | 7,000,000 to 15,000,000+ FCFA (10,670 to 22,870 EUR) |
| Annual cost for 4,000 farmers | 12,000 to 32,000 EUR | Hosting and maintenance 75,000 to 120,000 FCFA a month |
| Farmer payment via Wave or Orange Money | Rarely built in | Built in, SMS receipt to the farmer |
| Languages and field use | Interface often English only | French, pictograms, offline mode |
| Data ownership | Hosted by the vendor | Owned by the supply chain |
| Time to go live | 2 to 3 months | 4 to 6 months |
| Fit with internal rules (advances, input credit) | Limited | Full |
The payment module is a game changer for farmers: each validated weighing generates the amount due, deducts input advances and triggers the mobile money transfer. The supply chain cuts cash handling, often 300 to 500 million FCFA carried per season in collection areas, and gains a complete audit trail that EU auditors appreciate.
Mini case study
James, head of sourcing at a natural rubber trading house in London, buys through a 4,000-farmer cooperative in Abidjan that produces 12,000 tonnes a year at 420 FCFA per kilo farm-gate price, a 2026 order of magnitude. 40% of the volume goes to EU customers.
| Item | Amount |
|---|---|
| Volume bound for the EU | 4,800 tonnes |
| Farm-gate value exposed to the EUDR | 2,016,000,000 FCFA (about 3.07 million EUR) |
| Negotiated compliance premium (10 FCFA per kilo) | 48,000,000 FCFA a year (about 73,180 EUR) |
| Custom app | 12,000,000 FCFA (about 18,290 EUR) |
| Field mapping (4,000 plots at 1,500 FCFA) | 6,000,000 FCFA (about 9,150 EUR) |
| Maintenance (75,000 FCFA a month) | 900,000 FCFA a year |
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For 18,900,000 FCFA in year one, James secures a supply worth over 2 billion FCFA and the compliance premium alone funds the tool within 5 months of collection. With an international platform at 5 EUR per farmer, he would pay about 20,000 EUR every year, without a payment module.
FAQ
How long does it take to map 4,000 plots?
With 10 field agents on Android smartphones and the offline app, allow 8 to 12 weeks, about 10 plots per agent per day. Field cost runs around 1,500 FCFA (2.30 EUR) per plot.
Do smallholders under 4 hectares need a polygon?
No, a single GPS point is enough under 4 hectares under the EUDR. Many EU operators still ask for polygons for every plot, which the app captures in 5 to 10 minutes.
Is mobile money payment mandatory?
No, but it sharply reduces cash risks. Fees run at about 1% per transaction depending on the operator, often negotiable for large volumes.
Does the app work without network coverage?
Yes. Readings, weighings and photos are stored on the phone and synced as soon as 3G or the warehouse wifi is available.
Who owns the collected data?
The supply chain does, entirely. Code and database are handed over, and exports to EU operators use GeoJSON or spreadsheet formats, with no per-farmer subscription.
Let's scope your project. Tell us your number of farmers, volumes and EU customers: we will scope the traceability and payment app within the 7,000,000 to 15,000,000+ FCFA range, with a 4 to 6 month plan. Detailed quote within 48 h. WhatsApp +221 77 596 93 33 or request a quote.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
