I Built a POS App for Businesses That Still Use Notebooks and Excel. Looking for Feedback. - Indie Hackers

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After months of work, KasirCepat is finally available on Android, Windows, and Linux.

KasirCepat is a simple POS app built for small businesses in Indonesia.

The original goal was surprisingly small:

Help store owners record sales and manage inventory without needing spreadsheets or complicated software.

What surprised me during development wasn't the coding.

It was discovering how many small businesses still rely on notebooks, calculators, or Excel files for daily operations.

A few things I learned while building it:

Simplicity is harder than adding features.

Most users care more about reliability than innovation.

Offline support matters much more than I initially expected.

Cross-platform development with Flutter allowed me to target Android, Windows, and Linux from a single codebase.

Current features:

✅ Sales transactions

✅ Product management

✅ Inventory tracking

✅ Sales reports

✅ Offline usage

Downloads are now available:

Android:

https://play.google.com/store/apps/details?id=com.flagodna.kasircepat

Website:

https://flagodna.com/kasir-cepat/

One thing I'm still trying to figure out:

For a POS product targeting small businesses, what feature creates the biggest long-term retention?

Inventory management?

Customer management?

Accounting integration?

Something else?

I'd love honest feedback from other founders and builders.

Cahyanudien Aziz Saputra

on June 17, 2026

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