USSD Studio by Iderwell

Build a USSD service without writing code.

Create the menus and questions, test the whole journey on a phone, or ask Iderwell to build with you.

Build it myself Build with Iderwell

Never built USSD? Follow the five-minute lesson →

Free browser StudioStart from a blank flowProvider setup stays separate

Iderwell USSD Studio showing a programmable flow beside the phone simulator — Build on the canvas. Test on the phone.

Available nowBuild, test, save, share and export.

With IderwellDesign help and managed prototypes.

Provider stepKYC, shortcode and network activation.

Products by Iderwell

Two focused tools. One clear job each.

Build a programmable phone journey in USSD Studio, or run paid Wi-Fi access with Hotspot.

Available now · Public alpha

USSD Studio

Build, test, save and share a programmable USSD browser prototype without writing code.

Visual flow builder
Phone simulation
Free to start

Explore USSD Studio →Controlled onboarding

Hotspot

Let customers join a MikroTik Wi-Fi network, choose a package and pay through the business’s own Hubtel account before access is granted.

Tenant dashboard
Configurable access
Pay-as-you-go billing

Explore Hotspot →

Hotspot merchant payments and physical routers are activated only after per-business acceptance testing.

Three ways to begin

Build it your way.

Start alone, get help, or hand Iderwell the brief.

Available now

Build it myself

Create, test and share a browser prototype for free.

Open USSD Studio →Design partner

Build with Iderwell

Bring a draft. We’ll help turn it into a clear, testable service.

Get design help →Design partner

Iderwell Managed Build

Tell us what people should be able to do. Iderwell will design the prototype and production plan.

Hand us the brief →

From idea to launch

Build now. Add live services separately.

Studio is available for browser building and testing. Live hosting, provider connections and shortcode activation are separate.

Available now

Build now

Create menus and questions, test every route, save versions and share the result.

Free in the browser.

Design partner

Work with Iderwell

Get help turning an idea or draft into a clear browser prototype.

Design-partner applications are open.

Provider-controlled

Go live later

Hosting, provider connections and shortcode activation follow a separate review.

The provider controls KYC and network approval.

See pricing and availability →

Start from the business outcome

What should happen after the caller replies?

Collect answers, branch by choice, look up records and respond to payment results. Start from an example or a blank flow.

Explore the school-fees example →

School and account services

Let people check a balance, view a record, pay or ask for help.

Bookings and orders

Let a customer choose a service, date, seat, package or item without installing an app.

Registration and voting

Collect registrations, votes or competition entries from a basic phone.

Payment-connected journeys

Ask for payment and update your records only after the provider confirms it.

Beyond the phone screen

Keep payments, records and staff actions in step.

Example

Bookings and reservations

Keep a booking after the session closes

Carry the customer’s choice into the record staff use next.

See the delivery pattern →

Example

Orders and fulfilment

Fulfil once after a verified payment

Prevent duplicate delivery and keep a useful failure record.

See the delivery pattern →

Example

Business records

Give staff one reliable record

Keep receipts, inventory and follow-up work in step.

See the delivery pattern →

Illustrative examples. No client data is shown.

No technical brief needed

Ready to build?

Start free or ask Iderwell to help.

Build it myself Build with Iderwell