RentAlert scans Barcelona's rental agencies and room platforms every hour and sends you new flats and rooms that match your budget, area and move-in date on WhatsApp, Telegram or email. Every listing is checked (live, photos, price vs. district median, scam signs) before it reaches you. Free listing check, scam checker and search on the site; alerts for 10 €/month. Agencies can publish for free and reach matching tenants.