Numo has launched a new tap to pay application that allows merchants to accept Bitcoin payments using NFC enabled Android devices without requiring additional hardware.
Key Takeaways
- Numo has introduced a free, open source Bitcoin POS app for NFC enabled Android smartphones.
- The app supports both Cashu ecash and Lightning Network payments, expanding compatibility.
- Merchants can enable an automatic fund withdrawal feature to their private Lightning address.
- Numo charges zero platform fees, allowing businesses to keep 100 percent of their earnings.
What Happened?
Numo officially launched its Bitcoin tap to pay point of sale application designed to turn any NFC enabled Android device into a payment terminal. The app allows merchants to accept both Cashu ecash and Lightning Network payments in seconds, without the need for additional hardware.
The free and open source application is currently available as a direct APK download, with a Google Play Store release expected soon.
Numo lets merchants accept contactless Bitcoin payments on any Android.
— Numo (@NumoPayApp) February 25, 2026
– No extra hardware
– Zero platform fees
– Instant settlement
– Open-source & free pic.twitter.com/CKlKATyrcU
A Contactless Upgrade for Bitcoin Payments
With contactless payments becoming the norm, Numo aims to bring a similar experience to Bitcoin users. The checkout flow is designed to resemble familiar mobile payment systems such as Apple Pay and Google Pay. During a transaction, a customer taps their phone against the merchant’s Android device, which emulates an NFC tag. The customer’s Cashu wallet reads the tag and writes back a payment token. The process completes within seconds.
The app is built on Cashu, an open source ecash protocol for Bitcoin that uses blind signatures to enable privacy preserving custodial payments. By connecting independent mints over the Lightning Network and enabling programmable token scripts, Cashu offers a more private and flexible alternative to traditional custodial wallets.
Numo also supports Lightning invoices, making it compatible with any standard Lightning enabled Bitcoin wallet. This dual support broadens the app’s usability across the Bitcoin ecosystem.
Designed for Small Businesses and Local Vendors
Numo’s solution is tailored for merchants seeking a simple and cost effective way to accept Bitcoin payments. The app transforms any NFC enabled Android smartphone into a full featured payment terminal, eliminating the need for external card readers or proprietary hardware.
Key merchant features include:
- Integrated inventory management tools
- Payment history tracking
- Offline payment support
- Built in tipping functionality
To simplify treasury management, Numo settles payments in Cashu ecash held on a mint. Merchants can configure an automatic withdrawal threshold, sometimes referred to as an auto sweep feature. Once a predefined balance is reached, such as 100,000 sats, funds are automatically transferred to the merchant’s private Lightning address. This approach allows businesses to maintain self custody while reducing manual steps.
“ Bitcoin payments should be as easy as tapping your phone. Numo makes that a reality today,” the development team stated during the launch.
Open Source and Zero Fees
Numo is released under the MIT license and is being developed with support from OpenCash. The team has emphasized transparency and accessibility, positioning the app as a hardware free and open alternative to traditional payment rails.
Notably, Numo charges zero platform fees, allowing merchants to retain the full value of each transaction. As competition grows among Bitcoin native payment solutions, this pricing model may appeal strongly to small businesses looking to reduce costs.
Integration with BTCPay Server is currently in development, which could further expand adoption among merchants already using self hosted Bitcoin infrastructure.
CoinLaw’s Takeaway
In my experience, one of the biggest barriers to Bitcoin adoption at the retail level has been complexity. Merchants do not want extra devices, confusing setups, or hidden fees. What stands out to me about Numo is its simplicity. If a small business owner already has an Android phone, they already have what they need.
I also find the zero fee model compelling. For local vendors operating on thin margins, keeping 100 percent of each transaction matters. If Numo can deliver reliability and ease of use at scale, this could meaningfully push Bitcoin payments closer to everyday commerce.
