The verdict in three sentences
In mobile money, a failed renewal is not a lost customer: they often just did not approve the payment in time, or their balance was empty at the wrong moment. Between 40 and 60 % of these failures are recoverable with a well-tuned dunning sequence. The number-one MRR growth lever is not acquisition: it is smart follow-up.
Anatomy of a failed renewal
Before chasing a payment, understand why it failed. Causes are not handled the same way: an insufficient balance is fixed by timing, an abandonment by persuasion.
| Failure cause | Estimated share | Recoverable? | Key action |
|---|---|---|---|
| Insufficient balance | 35-45 % | Yes, strong | Retry after payday |
| Approval not validated | 25-30 % | Yes, very strong | Resend pushed link |
| Timeout / network | 10-15 % | Yes | Automatic retry |
| Number changed | 5-10 % | Partial | Alternative channel |
| Voluntary cancellation | 8-12 % | No | Do not push |
By targeting the first three causes (70-90 % of failures), you capture the bulk of the +25 % MRR potential.
The mobile money dunning sequence
Four reminders over ten days, with the right timing and channel, maximize recovery. WhatsApp opens about 30 % more than email, and the 6pm-9pm window catches the customer after work, often after receiving money.
| Reminder | Day | Time | Channel | Expected recovery |
|---|---|---|---|---|
| R1 | D0 | 6-9pm | WhatsApp + link | 15-25 % |
| R2 | D+2 | 6-9pm | SMS + link | 10-15 % |
| R3 | D+5 | 12-2pm | 8-12 % | |
| R4 | D+8 | 6-9pm | Call / SMS | 5-8 % |
| Grace | D+3 to D+7 | — | Access kept | — |
A grace period of 3 to 7 days (access kept while they pay) avoids alienating the customer and boosts conversion of late reminders. Suspension only happens after R4.
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Mini case study
Ibrahim runs a local streaming service in Abidjan, 1,000 subscribers at 3,000 FCFA/month. Every month, 150 renewals fail (15 %), i.e. 450,000 FCFA suspended. Without dunning he recovers only 20 %, i.e. 30 customers. By deploying the 4-reminder / WhatsApp / 6-9pm sequence + a 5-day grace, he reaches 50 % recovery: 75 customers saved instead of 30. That is 45 extra subscribers, i.e. 135,000 FCFA of recovered MRR every month, for near-zero reminder cost (WhatsApp + 2 SMS ≈ 40 FCFA per chased customer).
FAQ
What share of failures can really be recovered? Between 40 and 60 % with a mobile-money-adapted sequence. Beyond that, most are voluntary cancellations you should not chase aggressively.
Why send reminders between 6pm and 9pm? That is the window when the customer is available, off work, and often just after receiving mobile money. Morning or midday reminders convert far less.
WhatsApp or email for dunning? WhatsApp, no contest: about +30 % open rate and immediate action via the link. Email is a secondary, barely-read channel on this market.
What is the grace offer for? Keeping access for 3 to 7 days during follow-up avoids losing a good-faith customer who could not pay yet, and boosts conversion of R3-R4 reminders.
Does Kolonell automate dunning? Yes: we detect the failure, trigger the 4-reminder multichannel sequence, manage the grace period, and reactivate access as soon as Wave or Orange Money confirms payment.
Let's talk about your project. We set up your mobile money dunning engine to recover up to +25 % of MRR. 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.
