CHPX

Mobile app studio

Apps that make
everyday life simpler

We design, build and grow focused mobile apps for iOS and Android, with AI where it helps and nothing you do not need.

See our apps
4apps live in the stores
iOS + Androidbuilt for both platforms
No sign-upopen the app and start

Our apps

Each app solves one problem, and solves it well.

Note Taker

Productivity

Record every class and meeting. Get the transcript and a summary.

  • Saved on your phone as you record, even with the screen locked
  • Transcript with who said what
  • Summary where every point links to the moment it was said
Get it onApp StoreComing soonGoogle Play
Note Taker 1Note Taker 2Note Taker 3

Sing English

Education

Learn everyday American English by singing it.

  • Short original songs, each built around four real phrases
  • Karaoke lyrics with a translation in your language
  • Quick reviews bring the phrases back before you forget them
Get it onApp StoreGet it onGoogle Play
Sing English 1Sing English 2Sing English 3

Coin Value

Collecting

Photograph a coin and see what it is worth.

  • Identifies country, denomination, year and design
  • Value by condition, in your currency
  • Photograph both sides, or pick photos from your gallery
Coming soonApp StoreGet it onGoogle Play
Coin Value 1Coin Value 2Coin Value 3

Math AI

Education

Snap a math problem. See every step.

  • Step-by-step solutions, the way your class teaches them
  • Every answer is solved twice and checked
  • Check my work: finds the first step that went wrong
Coming soonApp StoreGet it onGoogle Play
Math AI 1Math AI 2Math AI 3

How we build

01

Real problems first

Every app starts from a problem people already pay to solve. We study the market before we write a line of code.

02

AI where it helps

We use AI to do the hard part for you, like transcribing, solving or identifying, and we check its answers.

03

Try before you pay

No account to start, a free way to try every app and clear pricing before you subscribe.

Talk to us

Questions, feedback or partnerships.

support@chpx.io Help with an app