The verdict in three sentences
Managing rentals on Excel and WhatsApp loses money every cycle: forgotten rents, unchased arrears and time-eating manual receipts. A property management app collects rent via mobile money, issues the PDF receipt automatically and chases arrears from D+3, lifting collection from 82 % to 95 %. One agent then manages 120 units instead of 40, on a budget of 1,500,000 to 3,500,000 FCFA.
Excel + WhatsApp versus a dedicated app
The Excel + WhatsApp combo works up to 30 or 40 units, then cracks: you forget who paid, you retype receipts, you chase when you remember. The table compares the two approaches (2026 order-of-magnitude estimate).
| Item | Excel + WhatsApp | Dedicated app | Effect |
|---|---|---|---|
| Collection rate | 82 % | 95 % | +13 points |
| Units per agent | 40 | 120 | x3 |
| Receipt issuing | 5-10 min | Instant (PDF) | Time returned |
| Arrears follow-up | Manual, late | Auto D+3 | Faster cash |
| Rent collection | Cash / transfer | Mobile money | Traced, no travel |
| Lease tracking | Scattered files | Centralized | Zero missed date |
Collection and commission revenue
For an agency, the commission (5 to 8 % of rent) only lands on rent actually collected: improving collection directly raises revenue. The table quantifies the impact on a 120-unit portfolio (2026 estimate).
| Metric | Before app | After app |
|---|---|---|
| Units managed | 120 | 120 |
| Average monthly rent | 150,000 FCFA | 150,000 FCFA |
| Rent billed / month | 18,000,000 FCFA | 18,000,000 FCFA |
| Collection rate | 82 % | 95 % |
| Rent collected / month | 14,760,000 FCFA | 17,100,000 FCFA |
| Agency commission (7 %) | 1,033,200 FCFA | 1,197,000 FCFA |
| Commission gain / month | — | +163,800 FCFA |
Mini case study
Thandi runs a property agency in Johannesburg with a 120-unit portfolio at 150,000 FCFA average rent. Before the app, her collection rate capped at 82 % for lack of regular follow-ups. After enabling automatic D+3 chasing and mobile money collection, collection rose to 95 %, lifting collected rent from 14,760,000 to 17,100,000 FCFA per month. On a 7 % commission, that is 163,800 FCFA of extra revenue per month. On a 2,500,000 FCFA budget, the app pays for itself in just over a year on commission alone, before counting the jump from 40 to 120 units per agent.
FAQ
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Does the tenant really get an official receipt?
Yes: as soon as rent is collected, a time-stamped PDF receipt is generated and sent automatically, valid as proof. No more hand-copied receipt books.
How do arrears follow-ups work?
The app detects any unpaid rent and sends an automatic reminder from D+3, then at set intervals. This mechanism lifts collection from 82 % to 95 %.
Do owners get access to their properties?
Yes, each owner has a portal showing collected rent, arrears and receipts for their units, cutting calls to the agency.
Can I collect via several mobile money operators?
Yes, the app accepts the region's main operators, with every payment traced and reconciled automatically.
Does the app handle charges and deposits?
Yes, it tracks charges, security deposits and adjustments, with a full history per lease and per tenant.
Let's talk about your project. We build your property management app, from collected rent to automatic receipts. 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.
