# Threema

> Source: https://fuckyc.org/services/threema/
> Website: https://threema.ch/
> Categories: Messaging
> KYC: none — One-time purchase; can be bought via a Threema Shop voucher with cash and redeemed without identity.
> Status: active
> Jurisdiction: Switzerland (operator-disclosed)
> Fiat on-ramp: no
> Payment methods: card, cash-voucher (via shop)
> Founded: 2012
> Open source: yes
> Custodial: no
> Last verified: 2026-01-01

## Verdict

Threema is the paid Swiss messenger that can be bought anonymously through the voucher path. The signup model is identifier-less by design. Useful when you want a polished commercial product without phone-number registration; the voucher path is what keeps the no-KYC claim.

## Strengths

- Random Threema ID at signup; no phone or email required.
- Swiss operator with consistent transparency.
- Cash-purchase path via vouchers from the Threema Shop or third-party resellers.

## Caveats

- Paid app; one-time purchase but not free to try.
- Apple/Google billing leaks identity unless you use the voucher path.
- Facts need re-verification by operator (last seeded 2026-01).

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## What Threema is

A paid end-to-end encrypted messenger from Switzerland with random-ID signup.

## Threat-model fit

For users willing to pay once for a polished product with no phone-number registration.

## Sources

- [Threema FAQ](https://threema.ch/en/faq) — accessed 2026-01-01
- [Threema blog](https://threema.ch/en/blog) — accessed 2026-01-01