The verdict in three sentences
Unlike cards, mobile money has no native auto-debit: collecting a subscription requires a dedicated mechanism. Without it, 8 to 15% of subscribers churn from a simple failed payment — involuntary churn that erodes your MRR even though the customer never chose to leave. Three approaches — recurring debit mandate where it exists, scheduled payment reminders, tokenised card — keep that revenue flowing month after month.
Three recurring-collection mechanisms
| Mechanism | MoMo availability 2026 | Automation | Involuntary churn |
|---|---|---|---|
| Recurring debit mandate | Partial by operator | High | Low (3 to 6%) |
| Scheduled payment reminder | Universal | Medium (customer confirms) | Medium (8 to 12%) |
| Tokenised card | Cards only | High (true auto) | Low (2 to 5%) |
Where the MoMo debit mandate is not yet widespread, the scheduled reminder remains the most universal mechanism: you re-ask the customer to confirm, but you structure the reminders to maximise recovery.
The dunning schedule that saves MRR
When a payment fails, the timing of reminders changes everything. A J+1 / J+3 / J+7 sequence with a 3-to-5-day grace period delivers the best results.
| Step | Timing | Channel | Marginal recovery |
|---|---|---|---|
| Reminder 1 | J+1 | Notification + WhatsApp | +6 to +9 pts |
| Reminder 2 | J+3 | WhatsApp + payment link | +3 to +5 pts |
| Reminder 3 | J+7 | WhatsApp + benefits recap | +1 to +4 pts |
| End of grace period | J+3 to J+5 | Soft suspension | — |
Stacked, this sequence recovers +10 to +18 points of subscribers who would otherwise have left. Per-charge fees, around 1 to 1.5%, stay negligible against the preserved MRR.
Mini case study
Moussa runs a business app in Kampala with 400 subscribers at 5,000 FCFA/month — 2,000,000 FCFA of MRR. His involuntary churn is 12%, or 48 subscribers lost each month to failed payments — 240,000 FCFA of MRR evaporating. He sets up a J+1/J+3/J+7 WhatsApp dunning sequence with a 4-day grace period and recovers +14 points, cutting involuntary churn to 5%. He now loses only 20 subscribers, saves 28, preserving 140,000 FCFA of MRR each month — nearly 1,680,000 FCFA over the year, for charge fees of about 1.2%.
FAQ
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Can you really auto-debit over mobile money?
The recurring debit mandate exists partially by operator in 2026. Where it is missing, the scheduled reminder that re-asks for confirmation remains the most reliable and universal solution.
What is the right grace period?
Between 3 and 5 days. Long enough to let the customer top up their balance, short enough to avoid providing the service free for too long.
Is a tokenised card more reliable for subscriptions?
Yes: it offers true auto-debit with involuntary churn of only 2 to 5%. Offering the card as an option alongside MoMo secures your MRR.
How much do charge fees cost?
Around 1 to 1.5% per transaction in 2026. Negligible compared with the 8 to 15% of MRR that involuntary churn costs you without dunning.
Does Kolonell build this kind of billing?
Yes: we set up multi-channel dunning, involuntary-churn tracking and an optional tokenised card, so your recurring revenue holds month after month.
Let's talk about your project. We protect your MRR against involuntary churn. WhatsApp +221 77 596 93 33.
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.
