Mastodon vs Zernio
Mastodon
joinmastodon.org
Zernio
zernio.comSide by side
| Figure | Mastodon | Zernio |
|---|---|---|
| Price from | Free | $1/mo |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | — |
| Android | Yes | — |
| API | Yes | Yes |
| Self-hosted | Yes | — |
| Plans published | 2 | 4 |
| Spec score · Social Media APIs | 8.5 (#3) | 7.6 (#16) |
| Founded | 2016 | 2025 |
| Headquarters | Berlin, Germany | Girona, Spain |
| Product | Mastodon is free, open-source decentralized social media software for short-form social networking. | Zernio provides one API for publishing, engagement and related workflows across social platforms. |
| Security | Mastodon requires HTTP signatures to validate that received activity was authored by the actor generating it. | The Trust Center lists SOC 2 Type 2 and GDPR as compliant frameworks; restricted resources require an access request. |
| Support | Mastodon lists separate contact addresses for business hosting, security reports, legal matters, and general inquiries. | The optional enterprise track includes a dedicated Slack channel with direct access to engineering for incidents. |
Plans
Zernio
- Connected accounts 1 to 2Free
- Connected accounts 101 and up$1 a month
- Connected accounts 11 to 100$3 a month
- Connected accounts 3 to 10$6 a month
In their own words
Mastodon
Mastodon has no write-up on Specifiction yet; its figures are above.