AI Grammar Keyboard vs brainmate by Brain M8
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
AI Grammar Keyboard
This AI-powered keyboard offers on-device grammar correction, sentence refinement, smart replies, and translation. It prioritizes user privacy by processing all data locally, eliminating the need for cloud-based services or app switching.
- On-device AI processing
- Grammar correction
- Sentence refinement
- Smart reply generation
- Offline translation
- Privacy-focused
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Type Buddy is your personal AI keyboard designed for speed, privacy, and intelligence - built to work directly on your device using Apple Foundation Models. Unlike cloud-based keyboards, Type Buddy AI runs on-device, keeping your data private and secure. Your messages stay on your iPhone, ensuring a fully privacy-focused writing experience. Fix grammar instantly, refine sentences, generate smart replies, and translate messages - even offline. No app switching. No copying and pasting. Everything works seamlessly from your keyboard inside WhatsApp, Gmail, Instagram, iMessage, and more. Powered by Apple’s advanced on-device AI, Type Buddy delivers fast performance, intelligent suggestions, and a smooth typing experience while protecting your personal conversations.
brainmate by Brain M8
This AI-powered productivity tool acts as your second brain, remembering key details about people, companies, and projects. It helps you stay organized with smart reminders and a daily pulse check, all while keeping your data secure and accessible.
- AI-powered note-taking and organization
- Daily pulse for attention management
- Plain markdown notes with interlinking
- Follow-through reminders
- Secure data storage and export
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Your AI second brain for business. brainmate remembers the people, companies, and projects you tell it about — and asks about the things you haven't mentioned lately. Talk to it like a colleague. It files what matters into an organized workspace of notes you can browse, search, and export anytime. No prompt engineering, no setup, no learning curve. WHAT IT DOES - Chat that captures: mention a person, a deal, a deadline — brainmate writes it down in the right place and confirms what it saved. - Daily Pulse: a short check-in that surfaces what needs attention — stale relationships, open loops, questions worth answering. - A real workspace: every note is plain markdown with links between people, companies, and projects. Browse it, search it, export the whole thing whenever you want. - Reminders that follow through: ask for a nudge and it shows up — completing it updates your notes too. BUILT FOR BUSINESS OWNERS No dashboards to configure. No fields to fill in. You talk; it organizes. It's the assistant that actually remembers last month. YOUR DATA, YOURS Notes are stored securely and belong to you. AI features run only with your consent and can be turned off in Settings. Export everything, anytime. brainmate Solo is $29.99/month after a 2-week free trial. Cancel anytime. Already subscribed on the web? Sign in — no second purchase needed. Terms of Service: https://brainm8.ai/terms Privacy Policy: https://brainm8.ai/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: brainmate by Brain M8 at none against AI Grammar Keyboard's 1. brainmate by Brain M8 also leads on ads (none vs shown) and iOS requirement (18.0 vs 26.0). On price, review sentiment, update cadence and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. AI Grammar Keyboard sells 1 one-off in-app purchase. brainmate by Brain M8 asks for nothing beyond the download.
AI Grammar Keyboard ships an update every 6 days, brainmate by Brain M8 every 8 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.
| Parameter | AI Grammar Keyboard | brainmate by Brain M8 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (6 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 6 days — better | Every 8 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 18.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Digital Hole Pvt. Ltd. | Brain M8 LLC |
Customer experience
AI Grammar Keyboard
brainmate by Brain M8
In-app purchases
AI Grammar Keyboard
- Premium Lifetime$4.99
brainmate by Brain M8
No in-app purchases
Questions
Is AI Grammar Keyboard free?
Is brainmate by Brain M8 free?
Do AI Grammar Keyboard or brainmate by Brain M8 have ads?
Which is updated more often, AI Grammar Keyboard or brainmate by Brain M8?
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