Anvil
Anvil mascot

AI THAT LIVES ON YOUR PHONE

Download on the App Store

Compare the planets of the inner solar system.

Distance from the Sun (AU) and equatorial diameter (km).

Inner planets, with average distance from the Sun in AU, equatorial diameter in kilometers, and known moons.
PlanetAUkmMoons
Mercury0.3874,8810
Venus0.72312,1040
Earth1.00012,7561
Mars1.5246,7922

Which one has the longest day?

Venus. It spins backwards. One sidereal day lasts 243 Earth days, longer than its year of 224.7 Earth days.

Sidereal day and year, in Earth days.

Sidereal day and year of the inner planets, in Earth days.
PlanetDayYear
Mercury58.6587.97
Venus243.0224.7
Earth0.997365.3
Mars1.026687.0

Use AI wherever you go (even in space)

Your personal AI lives on your iPhone. After the model download, chat on a plane, in a tunnel or off the grid. No signal needed.

Anvil runs on your phone

Anvil is a private, offline alternative to ChatGPT. Chat and create pictures on your device. Optional Web Search (off by default), reports and iCloud backup are explained in our privacy policy.

Unlimited image generation

Anvil Pro

Turn words into pictures right on the phone with Anvil Pro. Make as many as you like.

Pictures generated by Anvil

Anvil Pro

All generated offline. No cloud, no credits.

a neon side street in tokyo after the rain
an astronaut tending tomatoes in a mars greenhouse
a woman in soft forest light
a hummingbird frozen mid-hover at a foxglove
a samurai standing in a bamboo forest
a red fox alert in deep snow, low winter sun
an opera singer backstage before the curtain
a race car throwing spray on a soaking circuit
a watercolour cabin in autumn woods
a barn owl flying low over a moonlit field
a red fox in a snowy forest at dawn
an army fighting a dragon
dentist on friday at 3 pmCALENDAR12345678910111213143 PM ยท DentistNOTES

Remember everything

Speak to type

Anvil

Free

  • 10 chat messages a day, online or offline
  • Photo and file analysis
  • Calendar and memories
  • Unlimited notes and tasks
  • Scribe: 5 saved minutes
  • Image generation: 2 a day
  • Web Search: 5 queries a day

Anvil Pro

$4.99a month

or $29.99 once for Lifetime

  • Unlimited chat messages
  • Everything in Anvil
  • Unlimited images and Web Search
  • Unlimited Scribe minutes
  • Talk Mode
  • Custom prompts and themes