CiviqPass is a web-only practice and guide site for Spanish nationality by residence. The free CCSE mock has 25 questions in 45 minutes, needs no account and gives a score with explanations in Arabic, French or English. It also offers 9 free DELE A2 reading questions and file guides covering documents, apostille, translation, the online form, the oath and appeals. Questions link to their sources. The interface is in French, English, Spanish and Arabic.
The DELE A2 pack is 19 euros, paid once with no subscription, and refundable within 14 days. Not affiliated with the Instituto Cervantes or any public body.
The Spanish nationality file has its own documents, deadlines and traps. CiviqPass offers a free CCSE mock and guides for each step of the file.