The verdict in three sentences
A site management app turns blind control into daily numbers-based control. The clearest gains come from three areas: worker timesheets, material tracking, and comparing planned vs actual budget. Budget the equivalent of 1,500,000 to 6,000,000 FCFA, with overruns cut by 10 to 25 % on a mid-size site.
The modules that really matter
A construction site loses money through invisible leaks: mis-counted hours, materials that vanish, fuzzy progress. The app makes every area measurable and timestamped.
| Module | What it fixes | Typical gain |
|---|---|---|
| Worker timesheets | Real vs paid hours | -5 to -10 % payroll |
| Material tracking | Stock gaps, theft | -8 to -15 % material loss |
| Budget vs actual | Overruns caught early | -10 to -25 % overruns |
| Progress + photos | Dated proof for the client | Fewer disputes |
| Task scheduling | Trade coordination | Deadlines met |
| Daily reports | Traceability and billing | Faster payments |
Budget and packages 2026
Price depends on the number of parallel sites, field users, and the need for an offline mobile app (essential in poorly covered zones).
| Package | Price FCFA | Scope | Timeline |
|---|---|---|---|
| Essential | 1,500,000 - 2,500,000 | Timesheets, materials, 1 site, reports | 3-5 weeks |
| Standard | 2,800,000 - 4,200,000 | + budget vs actual, photos, multi-site | 6-9 weeks |
| Premium | 4,500,000 - 6,000,000 | + offline mobile app, scheduling, roles | 9-14 weeks |
| Maintenance | 100,000 - 250,000 / month | Support, updates, hosting | Ongoing |
Mini case study
Sipho runs a construction firm in Johannesburg with a 120,000,000 FCFA equivalent site. Historically his overruns hit 18 %, or 21,600,000 FCFA unplanned. With a Standard app at 3,500,000 FCFA equivalent that catches budget drift in real time and structures timesheets, he brings the overrun down to 8 %, or 9,600,000 FCFA. Savings on this single site: 12,000,000 FCFA. The app pays for itself in the first week of reduced losses.
FAQ
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How much does a construction site management app cost in Johannesburg?
The equivalent of 1,500,000 to 6,000,000 FCFA depending on modules, plus 100,000 to 250,000 FCFA/month maintenance. The budget vs actual module has the best return.
Does it work without internet on site?
Yes, on the Premium package with an offline mobile app: data syncs as soon as the network returns. Essential in poorly covered zones.
How do timesheets reduce payroll?
By recording real hours (arrival, departure, presence) instead of estimates, you remove ghost hours, often 5 to 10 % of payroll.
Can I track several sites at once?
Yes, from the Standard package, with a consolidated dashboard per site and a global budget view for management.
Are progress photos actually useful?
Yes: they provide dated proof of progress to justify payment requests to the client and reduce billing disputes.
Let's talk about your project. We build your site management app with timesheets, material tracking and budget vs actual, in an offline mobile version. 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.
