The Humble Beginning
I’ve seen too many small businesses and freelancers suffer quietly because clients delay payment — not because they’re bad people, but simply because they “forgot” or drag it out until someone chases them.
Most people I know still manually send WhatsApp or email reminders one by one — every month — even when it’s the same message over and over again. Some even hire part-timers to chase payments.
That’s why I’m building a lightweight desktop app (no cloud login, no subscription lock-in)
My Simple 3-Step Process
• Upload existing invoices (PDF / PNG / JPEG) → app auto-detects customer, due date, amount, etc.
• OR download a pre-formatted Excel template → fill it → upload back in. → It automatically tracks payment status + days overdue (includes customer ageing report)
• Choose from built-in friendly → polite → firm tone templates OR
• Fully customise your own WhatsApp messages
• Assign each as 1st / 2nd / FINAL reminder stage
• Auto-send at 3 / 7 / 14 / 30 days overdue (or custom)
• Choose time of day (e.g. weekdays 10.00 AM only)
• Your team can download an Excel report anytime (who was reminded, when, how overdue)
* The final UI may differ from the above image display
Every day a client ignores your invoice, you’re silently losing the cash you already worked for—and the worst part is, they didn’t even see your reminder. It wasn’t rejection — it was invisibility.
A method with a proven 98% open rate that forces attention in minutes, not days. It doesn’t politely beg to be noticed—it demands to be seen, so you finally stop feeling helpless and start getting paid when you should.
Let's compare both email and WhatsApp reminders; you will know why I recommend them.
Definitely, the prepaid desktop model feels way more trustworthy. No SaaS lock-in is a big plus.
WhatsApp-only should be enough for reminders, especially for SMEs. Most people check WA more than email anyway.
Yeah, the team pulling reports is totally fine. Keeps things clean.
The biggest hesitation is always the WhatsApp blocking part with automation. Got to make sure it's super reliable.
samla123li from r/whatsapp
Small businesses perform much better when they send reminders promptly after the 30-day mark—or whenever the payment is due—and follow up with a personal touch.
I use calendar reminders to track payment dates and trigger a series of Dunning letters (payment reminders) to ensure all invoices are followed up on.
The smaller the company, the more crucial consistent cash flow becomes for maintaining stability and operations.
Lynda Schulman from Quora
A dashboard is needed. Excel is great, but too info-dense.
I like the prepaid option. But keep the number of uses big and the pricing cheap. Say 1K reminders for 249₹ or 299₹.
Reminders only work when the customer wants to pay.
People who see no difference in payments received and think this is not very worthwhile if pricing is too high.
AbhiOnline from r/smallbusinessindia
Does it have to be a desktop version? Why not cloud?
First of all, a lot of small and medium-sized enterprises are worried about the privacy of their data, particularly the extremely sensitive sales invoices. Second, there is a performance problem. Let's say you need to record 100 sales invoices. If your internet connection is poor, it will take some time. Lastly, you may easily upload from your local computer using readily available local tools like Excel, PDF, PNG, or JPEG.
What does the dashboard display?
The dashboard will display the following information:
1) Total Unpaid Invoices - A list of the total value of unpaid invoices (24 invoices are unpaid within 7 days),
2) Active Reminder Schedules - Number of reminder jobs currently running (3 active schedules set up),
3) Paid This Month - Track the total collection performance (USD 12,500 collected),
4) Overdue >30 Days - Highlight severe cases (6 invoices are overdue by over 30 days)
The above information is a recommendation; the actual information might differ
Why should small businesses spend money on an overdue reminder tool rather than simply following up with clients over outstanding invoices?
The benefit of an overdue reminder tool is that it supports, rather than replaces, that process. Automating the first reminders helps ensure consistency (and avoids awkward missed follow-ups), while still leaving room for personal outreach when needed.
In many small business studies, this hybrid approach — automated first, personal later — leads to faster payments and fewer uncomfortable conversations overall.
The only challenge with penalties or interest charges is that, for small businesses or service providers who rely on repeat clients, it can sometimes strain the relationship. A penalty may motivate payment, but it can also leave a negative impression — especially if the client is just late due to oversight, not avoidance.
That’s where a structured overdue reminder system helps. It gives you a way to follow up consistently and professionally without the stress or tension that comes with applying late fees. A gentle reminder—sent automatically but worded with empathy—often resolves the issue faster and keeps the relationship intact.
So it’s less about punishment and more about communication that protects your cash flow and your reputation.
The only challenge is that even with clear terms, clients sometimes forget — not because they’re avoiding payment, but simply because inboxes are full and reminders get buried.
That’s where an overdue reminder system helps. It ensures your follow-ups stay consistent, visible, and polite without you having to manually track every due date. It’s not just about automation — it’s about protecting cash flow while keeping relationships professional and stress-free.
Some accounting software is packed with an email reminder. However, when people are busy, inboxes are crowded, and your polite reminder email might simply get lost or ignored.
That’s where an overdue reminder tool helps. It automates the process without losing the personal touch. For example, sending reminders via WhatsApp has a 98% open rate and around a 60% response rate, meaning your message is far more likely to be seen and acted on quickly.
You also get instant alerts, faster collections, and a clear follow-up trail — no more missed reminders or awkward chases.
So instead of manually tracking who’s paid and who hasn’t, the tool helps you stay on top of cash flow effortlessly, while still keeping communication warm and professional.
Most small businesses still start with email — and that’s okay. It’s simple, familiar, and part of your daily workflow.
But here’s the catch: clients often overlook emails.
That’s where WhatsApp reminders come in.
With a 98% open rate and 60% response rate, your message actually gets seen—fast.
📩 Email: convenient but often ignored,
💬 WhatsApp: fast, direct, and proven to get results.
We didn’t replace email.
We just made your follow-ups impossible to miss.
That’s a really fair point — when you only have a few clients, personal follow-ups work perfectly.
Where a tool like this becomes helpful is when things start scaling up. It’s not about replacing your personal communication but about maintaining consistency as the number of invoices grows and your time becomes limited.
Even small teams often reach a point where manual reminders start slipping through the cracks — not because of carelessness, but because there’s just too much to track. An automated reminder system ensures no client is forgotten, while you still step in personally when it matters.
So it’s less about needing it now and more about being ready for growth — the moment your business scales, your system scales with it.
Many clients don’t mean to pay late—they just forget, or their accounting cycle misses the date. A friendly reminder 3–5 days before the due date keeps your invoice top of mind.
It signals you’re organised and proactive, not desperate for payment.
Some clients will pay immediately after a pre-due reminder, improving your cash flow.
To make monthly payments easier, you can set up an automatic recurring payment for your service. This way, the amount will be charged automatically every month, and you will receive a receipt instantly.
For reminders or updates, WhatsApp is usually more effective because messages are seen immediately and rarely missed, compared to email, which can sometimes go unread. This helps ensure smooth communication and reduces any chance of late payments.
We have covered ourselves with trade credit insurance and have assigned a specific person to collect debt. So why do we need a reminder system?
Even with trade credit insurance and someone assigned to follow up, a reminder system is still helpful. When that happens, overdue payments take longer to resolve, which affects your cash flow even if the debt is eventually insured. A WhatsApp reminder helps close that gap. With a 90% open rate and about a 60% response rate, your message is far more likely to be seen and acted on quickly. It gives you a personal, direct way to reach customers before the debt ages, reducing manual follow-up and helping your assigned collector work more efficiently.
So the reminder system isn’t replacing your insurance or your staff — it supports them, speeds up payments, and keeps communication warm and professional.
I know you’re tired of chasing payments — and I promise, I’m building something that will change that for you.
While I finalise it, join the early access list now and be the first to get it the moment it’s live — before everyone else.
If you’ve ever stressed about chasing unpaid invoices — or avoided it completely just to protect your peace — I’d love your honest feedback before I finalise this.
My final question to you is simple:
Would this actually help you — or am I solving the wrong problem?