# BuyNumber.io vs. sms4sats: prices, numbers & payment

- sms4sats has the best score (8.1).

Entry variant: BuyNumber.io: Activation · sms4sats: Receive-SMS.

## Basics

|  | BuyNumber.io | sms4sats |
| --- | --- | --- |
| Services | SMS activation | SMS activation |
| Platforms | web | web |
| API access | Yes | Yes |
| Refund without code | Yes | Yes |

## Numbers

|  | BuyNumber.io | sms4sats |
| --- | --- | --- |
| Number types | VoIP numbers | unknown |
| Number countries | unknown | 204 countries and regions |
| Supported services | 600 | unknown |
| What the number can do | receive SMS | receive SMS |
| Activation window (minutes) | 20 | 20 |
| Exclusive number | exclusive | unknown |
| Keep the number | unknown | re-order for a new code |
| Several codes per number | No | unknown |
| Where SMS arrive | web dashboard | unknown |
| Rental periods | unknown | unknown |

## Payment

|  | BuyNumber.io | sms4sats |
| --- | --- | --- |
| **Pay with** | BTC, ETH, USDT, SOL, BNB, DOGE, TRX, LTC, XMR | BTC |
| Other payment methods | not applicable | not applicable |
| Payment chains | unknown | Lightning |

## Prices

|  | BuyNumber.io | sms4sats |
| --- | --- | --- |
| Price per activation | 0.04 USD | unknown |
| Rental per month | unknown | unknown |
| Minimum top-up | 0.04 USD | unknown |

## Trust

|  | BuyNumber.io | sms4sats |
| --- | --- | --- |
| **Support channels** | e-mail | e-mail, Telegram |

- [BuyNumber.io](https://cryptonumberss.com/en/buynumberio.md)
- [sms4sats](https://cryptonumberss.com/en/sms4sats.md)

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- **Canonical URL:** https://cryptonumberss.com/en/compare/buynumberio-vs-sms4sats/
- **As of:** 2 Nov 2026
- **Data licence:** CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/)

Please cite: Source: cryptonumberss.com (cryptovss), as of 2 Nov 2026, https://cryptonumberss.com/en/compare/buynumberio-vs-sms4sats/