Simple Mind Tree vs Keyboard for Ai

Brainstorm anytime, anywhere — whether you're organizing your thoughts or seeking creative ideas in a meeting.

Type real math symbols into any AI chat app, note, message, or document — without fighting the iOS keyboard. The standard keyboard has no √, ∫, π, or Greek letters, so typing math on mobile is slow and clumsy. Keyboard for AI gives you a clean, categorized math symbol keyboard, so every symbol is one tap away. 7 SYMBOL PAGES • Basic — numbers, + − × ÷, ( ) [ ] { }, ≤ ≥ ≠ ≈, √ ² ³ π • Algebra — roots, superscripts & subscripts, ± · ⊕ ⊗, variable letters • Calculus — ∫ ∮ ∬, ∂ ∇ Δ, ∑ ∏, lim, log, ln, → ⇒ ∞ • Trigonometry — sin cos tan, sinh, arcsin, π τ °, e i • Logic & sets — ∈ ∉ ⊂ ∪ ∩ ∅, ∀ ∃ ¬ ∧ ∨, ℕ ℤ ℚ ℝ ℂ • Greek — full lower and upper case: α β γ … ω, Α Β Γ … Ω • Stats — μ σ Σ, ⌊ ⌋ ⌈ ⌉, gcd lcm mod CLEAN UNICODE OUTPUT Everything types as standard Unicode (x², √, ∫, π, ≤, α), so it pastes perfectly into AI chat apps, Notes, WhatsApp, and email — no broken LaTeX, no rendering glitches. WORKS EVERYWHERE Use it in any app with a text field, on iPhone and iPad. From high school through university — algebra, calculus, linear algebra, statistics, logic, and Greek. FREE & PRO The Basic page is free forever. Keyboard for AI Pro unlocks the advanced pages — Algebra, Calculus, Trigonometry, Logic, Greek, and Stats — with a 7-day free trial, then $1.99/month, cancel anytime. PRIVATE BY DESIGN What you type is never stored or sent to us. Keyboard for AI Pro is an auto-renewing subscription: $1.99/month after a 7-day free trial. Payment is charged to your Apple Account; it renews automatically unless cancelled at least 24 hours before the period ends. Manage or cancel anytime in your Account settings. Privacy Policy: https://aikeyboard-legal.keremarslan.workers.dev/privacy.html Terms of Use: https://aikeyboard-legal.keremarslan.workers.dev/terms.html