{
    "products": [
        {
            "slug": "antidote",
            "name": "Antidote",
            "kind": "app",
            "website": "https://www.antidote.info/en/",
            "page": "https://listme.name/software/antidote",
            "tagline": "Paid French and English writing assistant for desktop, web and iOS",
            "summary": "Antidote is a paid writing assistant with a corrector, dictionaries and language guides for French and English. It runs as a Windows and Mac app, as a web app, and on iPhone and iPad. Access is by yearly subscription, with personal and family plans.",
            "platforms": [
                "windows",
                "macos",
                "web",
                "ios",
                "ipados"
            ],
            "pricing": "subscription",
            "price_note": "Yearly subscription per user; one-language or both-language plans",
            "free_to_use": false,
            "open_source": false,
            "strengths": [
                "Corrects French and English in one suite",
                "Desktop, web and iPhone or iPad apps",
                "Large dictionaries and detailed language guides"
            ],
            "limits": [
                "Sold only as a yearly subscription per user",
                "Mobile app is limited to iPhone and iPad"
            ],
            "checked": "2026-10-10",
            "connected_to_publisher": false,
            "overview": "Antidote's corrector checks spelling, grammar and typography, and it suggests ways to rework awkward sentences. Its dictionaries and language guides cover French and English, and the site says it provides more than 2.8 million translations of words and expressions. Antidote integrates with favorite software on a computer, and its mobile app covers iPhone and iPad.\n\nAntidote+ is sold as a yearly subscription per user. Personal plans cover one language or both English and French, and Family plans add up to five users. The store page lists current prices and is the place to check them. English-only writers can choose the one-language plan."
        },
        {
            "slug": "harper",
            "name": "Harper",
            "kind": "app",
            "website": "https://writewithharper.com/",
            "page": "https://listme.name/software/harper",
            "tagline": "Open-source grammar checker that runs on your own device",
            "summary": "Harper is a free, open-source grammar and spell checker that runs locally on your device. It has browser extensions for Chrome, Edge and Firefox, and plugins for VS Code, Obsidian and Neovim. The code is licensed under Apache-2.0 and published on GitHub.",
            "platforms": [
                "macos",
                "browser-extension"
            ],
            "pricing": "open-source",
            "price_note": "Free and open source under Apache-2.0; no paid tier listed",
            "free_to_use": true,
            "open_source": true,
            "license": "Apache-2.0",
            "source": "https://github.com/Automattic/harper",
            "strengths": [
                "Free and open source under Apache-2.0",
                "Checks run on your device, with no telemetry",
                "Fast enough for live checks as you type"
            ],
            "limits": [
                "Desktop app is listed for macOS only",
                "No AI rewriting or tone suggestions"
            ],
            "checked": "2026-10-10",
            "connected_to_publisher": false,
            "overview": "Harper checks spelling, capitalization, awkward phrasing and broken grammar, and it covers US, UK, Canadian, Australian and Indian English. The project says every check runs on the device, with no cloud round-trip and no telemetry. It is written in Rust, which keeps checks fast enough to run as you type.\n\nHarper is distributed as a macOS desktop app, as Chrome, Edge and Firefox extensions, and as plugins for VS Code, Obsidian, Neovim and Zed. Its source is on GitHub under Apache-2.0. The project says no language model runs in the loop, so Harper does not offer AI rewrites or tone suggestions. The desktop app is listed for macOS only."
        }
    ],
    "differences": [
        "Only Antidote runs on Windows.",
        "Only Antidote runs on iOS.",
        "Only Antidote runs on Web.",
        "Harper is open source; Antidote is not.",
        "Harper has a free plan or free version; Antidote does not.",
        "Antidote: subscription. Harper: free and open source."
    ],
    "shared_rankings": [
        {
            "list": "grammar-and-proofreading-tools",
            "name": "Grammar and proofreading tools",
            "page": "https://listme.name/best/grammar-and-proofreading-tools",
            "of": 10,
            "results": [
                {
                    "product": "antidote",
                    "rank": 6,
                    "score": 85.5,
                    "verdict": "The strongest suite here for French and English, with detailed guides and dictionaries. It is a yearly subscription per user and runs as a desktop or web app, so it is heavier than browser tools.",
                    "best_for": "French and English writers who want a deep corrector",
                    "spec": {
                        "where": "Windows and Mac apps, plus web",
                        "rewrites": "Suggestions for reworking sentences",
                        "style": "Style suggestions and language guides"
                    }
                },
                {
                    "product": "harper",
                    "rank": 3,
                    "score": 89.5,
                    "verdict": "Free, Apache-2.0 open source, with checks that run on your device. It covers grammar and spelling only, and its desktop app is listed for macOS.",
                    "best_for": "Private, free grammar checks on your own device",
                    "spec": {
                        "where": "On your device, in browsers and editors",
                        "rewrites": "None; no AI model in the loop",
                        "style": "Grammar and spelling only"
                    }
                }
            ]
        }
    ],
    "ranks_higher_in_closest_shared_list": "harper",
    "page": "https://listme.name/compare/antidote-vs-harper",
    "json": "https://listme.name/api/v1/compare/antidote-vs-harper.json",
    "notes": [
        "Scores are editorial and only comparable inside one list. Products with connected_to_publisher true receive a disclosed ranking lift: https://listme.name/methodology"
    ],
    "source": "https://listme.name",
    "license": "Free to read and cite with attribution to listme.name.",
    "docs": "https://listme.name/developers"
}