Freud and Jung are routinely quoted in the same breath, and they held incompatible views. Freud thought dreams disguise a forbidden wish. Jung thought dreams say exactly what they mean, and are difficult only because the language is not verbal.
Freud's account, set out in Die Traumdeutung in 1899, has three moving parts. Every dream is the fulfilment of a wish. The wish is unacceptable to the waking mind, so it is disguised. And the disguising is done by a specific set of operations he called the dream-work: condensation, where several thoughts collapse into a single image; displacement, where emotional weight slides off the important element onto a trivial one; considerations of representability, where an abstract thought has to become a picture; and secondary revision, where the whole thing gets tidied into a story on waking.
The consequence is that the dream you remember, which Freud called the manifest content, is a finished product of concealment. The thing worth having, the latent content, sits behind it, and reaching it means undoing the disguise.
Jung's account denies the central move. He held that dreams do not disguise anything at all. A dream is, in his phrase, a spontaneous self-portrayal of the current situation in the unconscious, stated as directly as a non-verbal medium allows. If a dream is obscure, that is because images are an awkward way of saying complicated things, not because something is being hidden.
From that follows his second claim, compensation: a dream tends to present what the conscious attitude has left out. Somebody consciously certain dreams doubt. Somebody consciously modest dreams grandeur. The dream is not opposing the person, on this account. It is completing a partial picture.
And his third: that alongside a personal unconscious made of individual history there is a deeper layer, shared and inherited, producing recurring figures and situations he called archetypes. That is the part which has travelled furthest and been distorted worst.
The methods follow from the theories, and they pull in opposite directions.
Freud's is free association, and its direction is away from the image. Take one element of the dream and say whatever it brings to mind, then whatever that brings to mind, without steering. The chain leads off the dream and into the dreamer's history, which is the entire point: the image is a doorway and you are not meant to stand in the doorway admiring it. Freud worked element by element rather than on the dream as a whole.
Jung's is amplification, and its direction is toward the image. Stay with it. Ask what this particular thing is, describe it closely, then set it against parallels: what this image has meant in other contexts, in myth, in art, in the dreamer's own culture. The aim is to enrich the image rather than to replace it, and Jung was explicit that association leading away from the dream has abandoned the dream.
The second methodological difference is scope. Freud analysed single dreams in depth. Jung insisted a series was the proper unit, on the grounds that one dream is ambiguous where twenty are not, and that the unconscious corrects itself across a sequence. This is the one point where later research clearly favours Jung, though for reasons entirely unconnected to his theory: content analysis also finds patterns across a series that are invisible in any single report, which is part of why recurring dreams get treated as a category of their own.
Both methods require the dreamer to be present. Neither can be run out of a book, and both men said so.
Modern dream research supports parts of both and the central claims of neither.
Freud's disguise-and-censorship model has not survived. There is no evidence in the content analysis record that dreams systematically conceal anything: coded dream reports look like dramatised versions of what people are already concerned about, not encrypted versions of what they are avoiding. Domhoff makes that argument directly and at length. Wish-fulfilment fares no better, and Freud himself ran into the difficulty in 1920, when he acknowledged that the repetitive dreams of traumatised soldiers were very hard to read as the fulfilment of any wish.
What did survive from Freud is the day residue: his observation that dreams incorporate material from the previous day or two. That is now the continuity hypothesis, the best-established finding in the field, and it is a genuine piece of Freudian observation vindicated by methods he would not have recognised.
Jung's compensation is harder to test and correspondingly harder to dismiss. Stated loosely it is unfalsifiable, since any dream can be read as compensating something. Stated tightly it makes predictions nobody has managed to check. It is not supported so much as largely unexamined, which is a different position from Freud's rather than a better one.
The collective unconscious has no empirical support and no current route to any. Cross-cultural regularities in dream content are real and well documented, but they are explained at least as economically by shared human circumstances: everybody has a body, gravity, other people, and things to be afraid of, and no inherited image bank is needed to account for that.
Neither framework licenses a lookup table, and both men said so in plain terms. Why dream dictionaries do not work covers that ground.
The split did not stop with the two of them, and the later schools are worth knowing, because most modern dream talk is downstream of one of them without saying which.
The distinction between the object level and the subject level comes from Jung and is the most useful single tool in the area. Read on the object level, a dream about your brother is about your brother. Read on the subject level, it is about the part of you that your brother stands for. Both readings are available for most dreams and they are not the same reading.
Gestalt therapy, following Fritz Perls, pushed the subject level the whole way: every element of the dream, the furniture included, is a disowned part of the dreamer, and the method is to speak as each of them in turn. It is a technique rather than a theory of dreams, and it works better than its rationale would suggest.
The existential and phenomenological tradition, associated with Medard Boss, rejected hidden meaning altogether. A dream is a way of being in a world, to be described rather than decoded, and asking what it stands for is already the wrong question.
Calvin Hall's cognitive approach abandoned depth entirely in favour of counting, and it is the line that produced the empirical dream research the rest of this site relies on.
Jung wrote to Freud in 1906 and the two were close for about six years. Freud regarded him as his successor and said so in writing. The break, when it came, was public, permanent and bitter.
The proximate cause was Jung's Wandlungen und Symbole der Libido of 1912, which redefined libido as general psychic energy rather than specifically sexual drive. That contradicted the position Freud considered foundational, and Freud treated it as exactly that. By 1913 the correspondence had ended.
The episode Jung himself identified as decisive had happened earlier, on the 1909 voyage to America, when the two were analysing each other's dreams. Jung asked Freud for personal associations to a dream of Freud's own, and Freud declined, saying he could not risk his authority. Jung wrote later that at that moment Freud had lost it anyway.
On the same crossing Jung had the dream he cited for the rest of his life: a house in which each descending floor was older than the one above, ending in a cave with two skulls in it. Freud read the skulls as concealed death wishes and pressed him on whose they were. Jung read the house as the layered structure of the psyche and dated his idea of the collective unconscious to that night. One dream, two irreconcilable readings, from the two men whose names now appear side by side at the bottom of dream websites.
Both of those accounts are Jung's, written decades afterwards in Memories, Dreams, Reflections, and they should be read with that in mind. Freud left no comparable account of the same events.
The commonest misreading is the blend. A great deal of popular dream writing quotes Freud on symbols and Jung on archetypes inside the same paragraph, as though the two were colleagues contributing to one theory. They were not. On the central question, whether a dream conceals its meaning, they held opposite positions, and a method assembled from both is assembled from a contradiction.
The second is the flattening of Freud into sex. He did hold that many dream symbols were sexual, and he is a great deal more interesting than the caricature: the dream-work is a serious proposal about how thoughts turn into images, and none of it depends on the sexual content. Reducing him to the symbol list is roughly the same error as reducing dreams to a dictionary, and it is frequently the same people making both.
The third is treating archetypes as a lookup table. Jung is the author most often cited to justify fixed dream meanings, and he explicitly and repeatedly denied that any such thing was possible. He wrote that no dream symbol can be separated from the person who dreamt it, and that there is no straightforward interpretation of any dream. An archetype in his sense is a tendency to produce a kind of figure, not a meaning bolted to one, and a page telling you what snakes or your own death means in the abstract is not doing what Jung did, whatever it says at the bottom of the page.
Look up what you actually dreamed.