The aggregation pitch is straightforward and mostly holds. Subscribing to several frontier assistants separately is expensive, Monica bundles access to a number of them behind one price, and the sidebar means whichever you pick is available against whatever page you are reading. For someone who wants to compare outputs across models without paying three subscriptions, that is genuine value, and the help material covers setup competently. Where it falls down is that the bundle has grown into a catalogue and the guidance has not grown with it.
Chat, summarise, translate, write, image generation, search, various document tools, a growing list of agents. The help centre documents each of them and never once helps a user work out which three of these will change their week. That is the question every new user has and the material answers it by listing everything, which is the same as not answering. A short opinionated getting started path would be worth more than the entire remainder of the documentation.
Model selection is the specific case where this hurts. Having several models available is only useful if you know when to use which, and the material presents them as options in a dropdown with no meaningful guidance on their different strengths. A user who does not already follow this closely will pick whichever is default and get no benefit from the thing they are paying for. Explaining that one model is stronger at longer reasoning, another at code, another at fast cheap summarising, would turn the headline feature into something usable.
The page summarising feature is the one I have reservations about beyond the documentation. Summarise this page is the most used capability in tools like this and it quietly changes how people read. The summary is fine, it captures the claims, it loses the reasoning and the qualifications, and someone who reads twenty summaries has a confident and shallow map of twenty things rather than an understanding of one. That is a real tradeoff and no material in this category ever mentions it, presumably because doing so would suggest using the product less.
Browser extension permissions deserve considerably more explanation than they get. This reads pages, sits in every tab and processes what is on screen, which for someone using it on internal systems, client data or anything confidential is a serious consideration. The material treats it as an install step. It should be a page explaining exactly what is sent where and when, prominently, before install.
The pricing is fair for what it aggregates and the free tier is small enough to be a taster rather than an evaluation. Two point nine. Real convenience at a fair price, buried under a bundle nobody needs all of, with documentation that catalogues features instead of helping you choose, and silent on the permissions question that should be the first thing a user thinks about.