Hi lu_cipher 
1) UNA is simply whitelabelled, logos are easily removed or replaced
2) You can add your own logo via Studio>designer>Logo
3) Paystack integration is not currently available but could be custom developed. Integrations of new payment providers take about 30-40 hours

4) We have an ads module available via AQB soft - https://una.io/page/view-product?id=63
5) We have Paid levels module available: https://una.io/page/view-product?id=7