pH Snap
Chemistry pH Calculator
Fast, accurate pH calculations — no formulas required.
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What it does
Instant results
Calculate pH, pOH and concentrations instantly — no formulas required.
Weak and strong, handled
Supports weak and strong acids and bases, with fast and clear results either way.
Your own compounds
Create custom compounds with their own Ka or Kb, and save your favourites as presets.
Clean visualisation
Results presented in a clean, intuitive interface you can read at a glance.
Works offline
No signal needed in the lab or the classroom — and it remembers your last settings.
Built for real work
For students, teachers and professionals who need quick, accurate answers.
Your presets and settings stay on your device. Read pH Snap's privacy policy.
Something not working? Get help with pH Snap — we reply to every message, usually within a day.
Common questions
Do I need to know the formulas?
No. Enter the compound and concentration, and pH Snap gives you pH, pOH and concentrations instantly.
Does it handle weak acids and bases?
Yes — both weak and strong acids and bases are supported, and you can create your own compounds with a custom Ka or Kb.
Does pH Snap work offline?
Yes. It works entirely offline and remembers your last settings.
Is pH Snap free?
Yes — free to download on the App Store.
Simplify your chemistry — one tap at a time.
pH Snap is free to download and starts calculating from the first tap.
Download on theApp Store