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Gravity

The expense tracker that never sees your expenses

iOS
Privacy
Personal Finance

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Hunted bySumith TSumith T

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Gravity

The expense tracker that never sees your expenses

Every expense tracker wants your bank login before it draws a chart. Gravity has no account and no server — everything stays on your phone; the only network call fetches exchange rates. What's different: one number each morning (what's safe to spend today, after bills), logging from Siri and widget buttons, UPI screenshots read on-device, and bill splitting where friends never need the app — the card goes to WhatsApp with your UPI ID. Free, no ads, no upsell. iPhone now, Android next.

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Upvotes1
▲ 1View on ProductHunt ⧉
Comments1
1 commentsSee comments on PH ⧉
Hi Product Hunt — I'm Sumith, and I built Gravity from Hyderabad.

I stopped using every expense tracker I tried for the same two reasons: they wanted my bank login before they'd draw me a chart, and they made me type everything. Gravity is my answer to both.

It never asks for your bank. There's no account and no server — everything you record lives on your phone, and the only network request the app ever makes is for currency rates. I wanted a money app I'd be comfortable handing to my parents.

And it tries hard to make logging not feel like work:
• Siri logs a spend hands-free
• The widget has one-tap buttons for the places you keep paying — "Chai ₹40", done
• Bill reminders have "Mark paid" right on the notification
• Share a UPI payment screenshot to Gravity and it reads the amount and merchant on-device (Apple's Vision framework — nothing is uploaded) and offers a one-tap save

The thing people use most is the number on the home screen: income, minus what you've spent, minus bills still due, divided by the days left. What's safe to spend today.

0.2.0 went live this week with bill splitting and groups. Enter the bill, tick who was there, and a card with everyone's share goes to your WhatsApp group — with your UPI ID at the bottom. Your friends don't need the app. That constraint mattered to me: nobody should have to install anything to pay you back.

Honest limits: iPhone only for now, India-first (₹ default, UPI, EMIs), and it can't sync between devices — that's the price of holding nothing. Android, with automatic capture from bank SMS, is next.

Free, no ads, no upsell. What I'd genuinely like to know: what would make you trust a money app that can't see your money?

About Gravity on Product Hunt

“The expense tracker that never sees your expenses”

Gravity was submitted on Product Hunt and earned 1 upvotes and 1 comments, placing #144 on the daily leaderboard. Every expense tracker wants your bank login before it draws a chart. Gravity has no account and no server — everything stays on your phone; the only network call fetches exchange rates. What's different: one number each morning (what's safe to spend today, after bills), logging from Siri and widget buttons, UPI screenshots read on-device, and bill splitting where friends never need the app — the card goes to WhatsApp with your UPI ID. Free, no ads, no upsell. iPhone now, Android next.

On the analytics side, Gravity competes within iOS, Privacy and Personal Finance — topics that collectively have 125.2k followers on Product Hunt. The dashboard above tracks how Gravity performed against the three products that launched closest to it on the same day.

Who hunted Gravity?

Gravity was hunted by Sumith T. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.

For a complete overview of Gravity including community comment highlights and product details, visit the product overview.