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KallebyAppmakeKalle Turbo Ultra · Flagship

For the jobs that matter most

Kalle Turbo Ultra is the flagship Kalle by Appmake model. It takes on the hardest work: big apps, tricky bugs and changes that touch everything, and keeps going for hours on its own.

Build with Kalle Turbo UltraHow it works
Hoursof focused work on one task
Whole appkept in context at once
Deepestreasoning in the Kalle family
3 creditsper step, worth it for big jobs
Example figures
KallebyAppmake

Race the Kalle models

Pick a task and watch Turbo, Turbo Max and Turbo Ultra take it on.

Playing · click to take over
Kalle TurboWorking
Kalle Turbo MaxWorking
Kalle Turbo UltraWorking
Example figures. Credits per step: Turbo 1, Turbo Max 2, Turbo Ultra 3.
KallebyAppmake

How Kalle Turbo Ultra works

  1. 01Studies the whole appEvery file, table and integration, before it changes anything.
  2. 02Writes a plan you approveBig jobs are split into stages with checkpoints.
  3. 03Works through it on its ownStage by stage, with a summary at each checkpoint.
  4. 04Tests everythingThe full app is checked, then it reports back.
KallebyAppmake

One big job, start to finish

An example run: moving a whole shop to a new checkout.

  1. 0:00Read 214 files and 9 tablesMapped how orders, payments and stock fit together.
  2. 0:06Plan approvedCheckpointFour stages, each with a checkpoint you can roll back to.
  3. 0:41New checkout builtCart, payment and confirmation rebuilt on the new flow.
  4. 1:12Old orders moved3,480 orders moved and checked against the originals.
  5. 1:3082 of 82 tests passedCheckpointEvery path through checkout, on desktop and mobile.
  6. 1:34LiveSummary sent: what changed, and how to roll back.
KallebyAppmake

Built for the biggest jobs

Whole-app understandingIt keeps your entire project in context while it works.
Long runs on its ownHours of work without waiting on you.
CheckpointsRoll back any stage with one click.
Hard bugsFinds the root cause, not just the symptom.
Thorough testingEvery flow is tested before it reports back.
Clear reportingA plain summary of everything it did.
KallebyAppmake

Built with Kalle by Appmake

Real products, live today.

4 live sites
Screenshot of dinegrab.com
DineGrab.Live
Danish restaurant platform: webshop, kitchen display and admindinegrab.com(opens in a new tab)
Screenshot of årsrapport.nu
Årsrapport.nuLive
Annual reports for Danish companiesårsrapport.nu(opens in a new tab)
Screenshot of trustsays.com
TrustSaysLive
Reviews you can trust, in 22 countriestrustsays.com(opens in a new tab)
Screenshot of expertmatch.fr
ExpertmatchLive
Compare three accountants, freeexpertmatch.fr(opens in a new tab)
KallebyAppmake

Try it with a prompt like this

Rebuild an areaMove my whole shop to a new checkout flowKalle Turbo UltraFind a hard bugOrders sometimes get stuck at paid. Find out why and fix itKalle Turbo UltraA new productBuild a booking system with staff calendars and SMS remindersKalle Turbo Ultra
KallebyAppmake

Four models, one job

Auto picks the right Kalle by Appmake model for every step. You can also choose one yourself.

Included on every plan
Kalle DesignDesign
Kalle TurboCheapest
Kalle Turbo MaxDefault
Kalle Turbo UltraFlagship
Best for
Layouts, styling and visual polish
Quick edits and everyday changes
Full builds with solid reasoning
The hardest builds, the biggest jobs
Speed
Reasoning depth
Credits per step
Available on
Every plan
Every plan
Every plan
Every plan
KallebyAppmake

Questions about Kalle Turbo Ultra

When the job is large, risky or touches most of the app. For everyday work, Turbo Max is faster and cheaper.

Yes. Pause at any time, or roll back to any checkpoint.

Yes. Kalle by Appmake, including Ultra, is included on every plan.

Build with Kalle Turbo Ultra

Included on every Appmake plan. Kalle by Appmake never trains on your projects.

Start buildingMeetKallebyAppmake