Validating an idea: is “safe to spend today” actually clearer than budgeting?
I’ve been working on a side project called Spending Pulse, and I’m trying to validate whether this idea actually makes sense.
I tried a bunch of expense trackers and budgeting apps before. The problem is I’m kind of lazy with this stuff, so I would use them for maybe 1 to 3 days, then forget about them completely. They’d just sit in my app drawer collecting dust.
What I really wanted was something simpler:
How much can I spend today without feeling guilty or messing up the next few days?
That’s basically the whole idea behind the app.
You put in your current balance, add recurring or planned expenses and incomes, and the app gives you a simple daily safe-to-spend number. Then during the day, if you spend money, you quickly log it and it gets deducted from your daily allowance.
So yeah, it’s not really a traditional budgeting app.
Okay, maybe a little bit. You can also set a safety floor for your balance over the next 30 days if you want. But that’s pretty much it.
There are also widgets, so the safe-to-spend amount is right in your face on your Home Screen or Lock Screen.
It’s an iPhone + Apple Watch app right now.
Here it is if anyone wants context:
Spending Pulse on the App Store
What I’m trying to figure out is this:
Does “safe to spend today” sound genuinely clearer and more useful than normal budgeting, or is this just budgeting with different wording?
Blunt feedback is welcome.
Honestly, "safe to spend today" is not just budgeting with another name. Different mental model. Traditional budgets ask you to plan, your app asks one question: can I spend this now or not. Big difference, and probably why you stuck with the idea when you dropped the other apps.
Two concerns though.
You said yourself you're lazy and quit apps after 3 days because logging is a pain. Your app still needs logging every purchase to stay accurate. Miss 2 days, the number lies, you
stop trusting it, you uninstall. Same spiral as the others. The widget helps see the number but doesn't fix the logging itself. I'd think hard about bank auto-import (plaid ro flinks...) or a log flow that takes 3 seconds max.
Second thing. When "safe to spend" is $8 and I want lunch, what happens? If the app just shows red and makes me feel bad, I close it. If it tells me "you can spend $25 today if
you skip lunch out twice this week", it becomes useful instead of annoying. That's where the real value is I think.
Honestly the one I'd pay for is the version that connects to my bank and updates alone, no logging. That's what kills lazy users like me. Harder to build but it's the one that
survives.
Good idea though, framing is sharp. Lazy users are the hardest to serve, nail that and you have something real.
This is a really interesting way to frame validation.
I think what I’m running into is that validation isn’t always a clear “yes or no,” especially when you’re not talking directly to users.
I’m building something in a niche where people don’t really sign up or convert immediately — they mostly search, read, and leave.
So I tried validating through SEO instead (creating pages around what people are searching for), but it creates this weird middle state where:
It feels like I’m validating demand, but not necessarily the product itself.
Curious if you’ve seen cases where validation comes more from behavior signals like this rather than direct user conversations?
The 'Safe to Spend' idea is smart because it’s an answer, not a chore. Most budgeting apps feel like homework, which is why people quit after three days.
Instead of just asking for feedback, you should put your app into the Validation Arena (tokyolore.com).
It’s a 30-day sprint to see if your 'simpler' way actually wins over customers.
The prize pool just opened at $0, so it’s a fresh start for everyone. 🌟
The winner takes the ultimate prize: a trip to Tokyo! 🏆
i get a different sense from it, it feels less like budgeting and more like a time management tool
Can you please elaborate, what makes you feel that it's a time management tool?
i totally understand what you're getting at and the concept, and maybe it's just the way i interpret it without seeing it in context of the app, but my first impression of combining "spending" with (today) for me has a connotation of how you spend your day/time -> time management.