Two free housing swap platforms — but with different approaches to matching, security and functionality.
Byt og Flyt and Rumly.dk are both free to use for basic housing swaps in Denmark. The main difference lies in functionality: two-way matching, circular swaps and MitID verification at Byt og Flyt vs a simpler, more minimalist approach at Rumly.
| Feature | Byt og Flyt | Rumly.dk |
|---|---|---|
| Price | Free basic version with unlimited messages. Ad-free from 19 DKK/mo, Premium from 49 DKK/mo | Free (no paid version) |
| Two-way matching | Yes — see match from both sides | Algorithmic matching (details not publicly disclosed) |
| Circular swaps (3-way) | Yes — automatic discovery | No |
| User verification | MitID + SMS + email | Not publicly documented |
| Messaging | Unlimited messages to matches. Premium: contact anyone without match | Free after mutual match |
| Quality score | Yes — see and improve your listing's visibility | No |
| Synchronized moving dates | No | Yes — both parties move on the same day |
| Housing types | Rental housing | Co-op, rental and owner-occupied |
Byt og Flyt automatically finds 3-way swaps that are impossible to discover manually. Rumly only supports direct swaps.
Byt og Flyt offers MitID verification for all users. Rumly has no documented verification process.
See the match percentage from both sides — you immediately know if the swap is realistic. Rumly's matching algorithm is not publicly described.
Rumly offers coordinated moving dates so both parties move on the same day. It's a practical detail Byt og Flyt doesn't have yet.
Rumly has no paid version at all. Byt og Flyt's basic features incl. unlimited messages are free — Premium adds contact without match and match boost.
Rumly covers co-op and owner-occupied housing in addition to rentals. Byt og Flyt focuses on rental housing.
Information verified on April 6, 2026 based on publicly available information from rumly.dk.
See your two-way matches and discover circular swap opportunities.