Comparison 10 // Local Voice Ownership vs. LinkedIn Personal Branding SaaS.
grai ($69 once, Founder Edition, or $149 Agency) is a local-first HTML5 voice workbench. It never connects to a LinkedIn account, and it measures your Voice DNA instead of stocking a content calendar.
| Option | Best For | Starting Price | Key Difference |
|---|---|---|---|
grai (Founder) |
Making each post match a measured personal cadence before it ships. | $69 once (AI model/API usage separate if used) | 622 KB local workbench. Voice DNA, 3-galley Writing Desk and a deterministic 6-rule gate with a CV >= 0.32 floor. No LinkedIn account connection. |
| Supergrow | Founders who want a steady LinkedIn pipeline: ideas, carousels, queue and analytics in one tab. | $19/month (annual billing, entry tier) | Hosted personal branding suite with a scheduler and carousel builder. The voice layer is a preset, not a measurement. |
Supergrow is built for throughput. You pick from an idea library, turn a post into a carousel, drop it into a queue, and read the analytics afterwards. The value is a publishing habit that survives a busy week, and the calendar is the product.
grai is built for the sentence. It extracts a quantitative profile from your real writing, drafts in three editorial galleys, then audits every draft against six structural rules and a burstiness floor. No queue, no account connection, no carousel.
The two tools answer different questions. A full calendar with a flat rhythm still reads like the same model wrote all of it, which is the failure a founder notices last and an audience notices first.
CV >= 0.32 burstiness floor, with flagged spans and targeted repair before anything ships.grai holds no LinkedIn token and cannot trip a third-party automation flag.| Criterion | grai (Founder $69 / Agency $149) | Supergrow ($19 to $49 per month) |
|---|---|---|
| Pricing model | $69 once (Founder) or $149 once (Agency) | $19 to $49 per month, billed monthly or annually |
| Where the text is produced | Shipped grai.html: Copy-Paste mode (connect-src 'none'). Custom source build: direct BYOK API or local Ollama |
Inside the Supergrow cloud workspace |
| Cadence verification | Deterministic browser audit: 6 regex rules + CV >= 0.32 floor + span highlights |
No deterministic sentence-rhythm gate |
| Scheduling | None. grai writes and audits, nothing else |
Queue and scheduled publishing for LinkedIn |
| Social account connection | None required (zero OAuth tokens) | Account connection required for publishing |
| What happens if you stop paying | You keep grai.html and your .grai voice files permanently |
Queue, analytics and the idea library stop |
| Setup | Month 1 | 12-Month Total | 24-Month Total | What Is Included |
|---|---|---|---|---|
| Supergrow entry tier (annual billing) | $19 | $228 | $456 | Ideas, carousel maker, queue and analytics |
| Supergrow upper tier (annual billing) | $49 | $588 | $1,176 | Higher limits and additional seats |
grai Founder + existing Claude Pro / ChatGPT Plus |
$89 ($69 + $20) | $309 ($69 + $240) | $549 ($69 + $480) | Local Voice DNA + Cadence Gate + the AI subscription you already use |
grai Agency Edition (one-time) |
$149 | $149 | $149 | 25 client Voice Profiles + A4 SHA-256 Client Voice DNA Dossiers |
grai.html): Ships with a Content Security Policy (default-src 'none'; style-src 'unsafe-inline'; font-src data:; img-src data:; script-src 'unsafe-inline'; connect-src 'none'; object-src 'none'; base-uri 'none') that allows inline styles and inline scripts (plus data: fonts and images) while blocking direct API connections (connect-src 'none') from the page. Out of the box, it runs in Copy-Paste mode.localStorage when available. If your browser settings or private-browsing mode block localStorage on local file:// pages, grai falls back to in-memory session storage (memStorage), which lasts until the tab closes. Export a .grai backup file to save your profiles permanently to disk..grai file or PDF Dossier yourself. Supergrow stores drafts and the LinkedIn connection in its cloud by design.Choose Supergrow ($19 to $49/month) if: the blocker is consistency. You need ideas, carousels and a queue that keeps the week moving.
Choose grai ($69 once) if: the blocker is that the posts all sound alike and the calendar will not fix it. A scheduler cannot measure cadence, and a preset cannot replace a profile.
Use both if: you draft and audit in grai, then paste the approved text into Supergrow and let the queue do the publishing. The tools do not overlap.
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