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nkbmusic/docs/support-payments.md
metatroncubeswdev d257fc4c65 Support Nanga Kathai: one-time in-app gifts in local currency 
Three consumable products (nk_support_small/medium/large) via Google Play
and App Store billing; a 'give more' option emails support. FAQ, Terms and
Privacy updated: v1 is free, creator accounts come in a later update.
docs/support-payments.md lists the per-country prices and store setup.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-30 19:07:26 -04:00

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Support payments ("Support Nanga Kathai")

One-time gifts that support the app's development. They unlock nothing; every song stays free. Payments go through Google Play and the App Store, which charge each listener in their own currency and pay us (after their fee, usually 15% for small developers).

Products to create

Create three consumable in-app products, with exactly these IDs, in both stores:

Product ID Name in the app
nk_support_small Supporter
nk_support_medium Friend of Nanga Kathai
nk_support_large Champion of Badaga music

Prices

Set the main countries by hand. Every other country can use the store's automatic conversion from the US price. The App Store only offers fixed price points, so pick the nearest one.

Country Currency Supporter Friend Champion
India INR 300 500 1,000
United States USD 10 25 50
Canada CAD 10 25 50
UAE AED 39 99 199
Saudi Arabia SAR 39 99 199
Qatar QAR 39 99 199
Kuwait KWD 3 7.5 15
Oman OMR 3.9 9.9 19.9
Bahrain BHD 3.9 9.9 19.9

Gulf prices are about US$10 / $25 / $50. Bigger gifts and sponsorships go through "Want to give more?" on the Support page, which emails support@nkbmusic.com.

Google Play (Play Console)

  1. Set up a payments profile (merchant account): Play Console > Setup > Payments profile.
  2. Upload a build that includes billing (any build from now on) to the Internal testing track.
  3. Monetize > Products > In-app products > Create product, once for each ID above. Set the US price, then open "Edit prices" to set India, Canada and the Gulf countries by hand. Activate each one.
  4. Add your Google account under Setup > License testing, so test purchases are free.

App Store (App Store Connect)

  1. Accept the Paid Apps agreement, and add bank and tax details under Agreements, Tax, and Banking.
  2. In the app, open Monetization > In-App Purchases and press +. Choose Consumable, and use the same IDs. Add a price schedule with a US base price, and set manual prices for India, Canada and the Gulf.
  3. Add a review screenshot of the Support page. The products go to review with the first app version.

In the app

Settings > Support Nanga Kathai shows the products, with prices exactly as the store returns them. Until the products exist in the store, the page says support is unavailable on this phone.