🔍 Read the full analysis: Inside The Two Days Gewerkton Spent Rebuilding Its Look With AI on ThorstenMeyerAI.com
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TL;DR
Construction-site documentation tool Gewerkton replaced the look of its web and phone apps, Studio, icons and multilingual website with a design called HORIZON on Oct. 2–3, 2026. Its publisher says AI coding agents carried out the implementation from approved plans, while founder Thorsten Meyer reviewed and released the work. The account also reports visual defects, failed film-generation jobs and remaining app fixes.
Gewerkton replaced the look of its web app, iPhone and Android apps, Studio, 26 icons and 40-language website on Oct. 2 and 3, 2026, in a redesign called HORIZON. The construction-site documentation tool’s publisher says AI coding agents handled the implementation from written plans, while founder Thorsten Meyer approved the plans, checked results and released each part.
The publisher, ThorstenMeyerAI.com, describes Gewerkton as a product it builds itself and says the account is based on what it learned during the work. Its figures say the redesign moved 281 hard-coded web-app color values into design tokens, leaving 11 deliberate exceptions, and restyled 47 cards. The phone app received the new look in version 0.5.0, and Studio was updated in light and dark modes. All 26 icons were re-rendered in Blender in cobalt and navy.
The website’s 529 pages across 40 languages received a new opening section featuring real product screens. The publisher says it uploaded 1,583 files without an error. The work also included 228 AI film-generation runs for five regions; 222 had their own regional version, and eight help videos were produced. The publisher qualifies the two-day timeframe: an interim design draft dated Sept. 26 was carried into the work, so the redesign did not begin from a blank page on Oct. 2.
Work was staged rather than released in one step. The plan listed open decisions with options and recommendations, and Meyer approved the recommendations. Agents worked on a separate code branch; Meyer released each part only after reviewing it. Films featuring the redesigned apps were held until he had approved the interface, and paid film reruns also required his explicit approval. Apple’s developer agreement presented another human-only gate: the iPhone build could not proceed until Meyer accepted the latest Program License Agreement.
Field report / product redesign / October 2026
Inside the Two Days Gewerkton Spent Rebuilding Its Look With AI
On Oct. 2–3, construction-site documentation tool Gewerkton rolled out HORIZON across its apps, Studio, icons and multilingual website. Its publisher says coding agents implemented approved plans while founder Thorsten Meyer reviewed and released each part.
01 / Scope
A coordinated product-wide refresh
HORIZON covered connected customer touchpoints, from daily app interfaces to localized pages and regional video material.
Web + phone apps
The web app and iPhone and Android apps received the new look. The phone app shipped as version 0.5.0.
Studio + modes
Studio was restyled in both light and dark modes, with 47 cards updated across the product.
Icons + tokens
All 26 icons were re-rendered in Blender in cobalt and navy. The web app moved 281 hard-coded color values into design tokens, retaining 11 deliberate exceptions.
40 languages
A new opening section featuring real product screens was added across 529 pages in 40 languages.
Regional films
The work included 228 AI film-generation runs for five regions and eight help videos.
Built in Bavaria
Gewerkton is described by its publisher as a construction-site documentation tool built in Iffeldorf, Bavaria.
02 / Release path
Plans first; releases by approval
The publisher describes agent implementation within a human-reviewed workflow, with written plans, separate code work and staged release decisions.
Carry forward a draft
An interim design dated Sept. 26 gave the work a starting point before the two-day execution window.
Approve the plan
Written plans listed open decisions, options and recommendations; Meyer approved the recommendations.
Implement + inspect
AI coding agents worked on a separate branch. Meyer checked visual results and tests for each part.
Release in stages
Parts were released after review. App films waited for interface approval; paid reruns needed explicit approval.
03 / Reported checks
Strong counts, with caveats
These figures come from Gewerkton’s publisher and have not been independently verified in the supplied account.
853 / 853 tests passed
Reported test result for the phone app, which received the HORIZON look in version 0.5.0.
2,158 / 2,158 tests passed
The publisher reports a full pass for Studio across its updated light and dark modes.
8 failures remain
Failures were in seven files. The publisher says six also fail on the main branch and one depends on test order.
“After the first step, nothing was merged or delivered until Meyer had released that part.”
Publisher’s description of the release processApple’s latest Program License Agreement had to be accepted before the iPhone build could proceed.
Human-only account gate04 / Quality review
Visual inspection caught what tests missed
Automated checks were part of the process, but the publisher says people still found and triaged defects before and after release.
Labels obscured by icon tiles
Meyer found white icon tiles covering nearby labels in dark mode. The issue had not appeared in the reported automated checks.
Shadows kept red details
Automated recoloring masks missed red details in shadow and warm lighting. The publisher says 24 files were cleaned; ten regional versions with remaining red temporarily used the European cut, and nine were later reshot with approval and visual checks.
Four languages, three widths
Reported checks covered 200 views in English, German, Japanese and Hindi at 390, 834 and 1,440 pixels, in light and dark modes, with no overflow or console errors reported.
1,583 files uploaded
The publisher reports no upload errors and says the live site was checked again at three widths across five regions.
05 / Film production
Hundreds of runs, manual quality control
The video work encountered generation failures and required rework after visual review.
06 / Open items
What remains unresolved
The publisher’s account gives a launch status and some follow-up, while leaving several details for a later update.
Android follow-up: version 0.5.1
A Pixel 10a test found five major issues, none described as blockers. The publisher says all five are scheduled for version 0.5.1, but gives no release date. One example: larger type and padding make the German cancel button label wrap onto two lines.
No full accounting
The supplied material does not total agent use, staff time, design preparation or other development expenses.
Follow-up not fully stated
Nine regional runs were later reshot; the account does not say whether every remaining film has since been revised.
Publisher-reported figures
Test counts, upload results, production costs and failure rates are not independently verified in the supplied material.
07 / At a glance
The reported workflow, in one line
Approved plans
Recommendations reviewed by Meyer.
Agent implementation
Coding agents handled assigned changes.
Human checks
Tests and visual review informed release.
Staged rollout
HORIZON went live across products Oct. 2–3.
What did Gewerkton redesign?
The web app, iPhone and Android apps, Studio, 26 icons, a 529-page website in 40 languages, and regional video materials.
Human Review Shaped the AI Rollout
The account offers a concrete example of how a small software operation used coding agents for a broad redesign while retaining human control over release decisions. The agents were assigned implementation against written plans, but approval, visual inspection and certain account actions remained with Meyer. That distinction matters to readers evaluating claims about AI-led product development: the publisher describes an agent-assisted workflow, not a redesign completed without human oversight.
The work also shows why automated checks alone did not establish that the launch was ready. Meyer found white icon tiles covering nearby labels in dark mode, a problem that tests had missed. Film recoloring likewise needed visual review after automated masks overlooked red details in shadows and warm lighting. The publisher says 24 files were cleaned, and ten regional versions with remaining red were temporarily switched to the European cut; nine were later reshot with Meyer’s approval and visually checked.
Reported testing figures are substantial but need to be read as the publisher’s account, not as independent verification. The phone app passed 853 of 853 tests and Studio passed 2,158 of 2,158. The web app’s reported test suite still had eight failures in seven files; the publisher says six also fail on the main branch and one depends on test order. A redesign can therefore ship with known test failures when teams judge them unrelated, but those failures remain part of the product’s reported status.
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The Work Behind HORIZON
Gewerkton is described by its publisher as a construction-site documentation tool built in Iffeldorf, Bavaria. Thorsten Meyer directs a fleet of AI coding agents identified in the account as Codex and Claude. The redesign covered several connected products and customer-facing materials, rather than just a website refresh: web and phone interfaces, Studio, icons, localized pages and region-specific videos all changed.
The published timeline separates preparation from execution. An interim visual draft existed on Sept. 26; the stated two-day period covers implementation from an approved plan through the live website on Oct. 2–3. The publisher says each part went through tests and visual checks. For the web app, its checks covered 200 views in English, German, Japanese and Hindi, at widths of 390, 834 and 1,440 pixels, in light and dark modes. It reports no overflow or console errors in those checks. The live website was tested again after upload across the same three widths and five regions.
Video work was a separate source of delays and manual quality control. The publisher says production paused after the ninth round when 38% of jobs were failing, with 208 of 228 runs completed at that point. It reports that 76 failed jobs were not billed. Earlier, 80 industry clips were redone because the first image model had changed faces too little. The account says new start frames followed a regional casting rule Meyer set on Oct. 2.
“The two days cover the execution, from the approved plan to the live website.”
— ThorstenMeyerAI.com, Gewerkton’s publisher
Remaining Defects and Open Questions
The available account comes from Gewerkton’s publisher, which discloses that it builds the product. The reported test counts, upload results, production costs and failure rates are not independently verified in the supplied material. It also does not provide a complete accounting of the redesign’s total cost, including agent use, staff time, design preparation or other development expenses.
Some product issues remain. An Android test on a Pixel 10a found five major issues, none described as a blocker; the publisher says all five are scheduled for version 0.5.1. One example is a camera-screen button whose larger type and padding cause the German word for cancel to wrap across two lines. The account does not specify when version 0.5.1 will be released.
The source text begins to describe film costs but ends after saying the records give “one real figure: about 134 dollars actual”. It does not clarify the amount’s precise scope, unit or whether it covers all 228 runs. No broader cost conclusion can be drawn from that incomplete figure. The source also describes nine regional film runs as later reshot, but does not state whether every remaining film has since been revised or whether further changes are planned.
Version 0.5.1 and Film Follow-Up
Gewerkton’s next stated product milestone is version 0.5.1, which the publisher says will address the five findings from the Pixel 10a Android test. A release date is not given. The publisher also says nine regional film runs were reshot after the visual review; any further video changes, or a final accounting of the film work, have not been specified.
The company’s account leaves a broader question for future updates: whether it will publish additional results about the cost and ongoing maintenance of the redesigned products. For now, the confirmed status in the supplied material is that HORIZON went live across the listed platforms and website on Oct. 2–3, with some defects identified, fixes applied, and Android follow-up work still scheduled.
Key Questions
What did Gewerkton redesign?
The HORIZON redesign covered the web app, iPhone and Android apps, Studio, 26 icons and a 529-page website in 40 languages, according to the publisher.
Did AI agents complete the redesign without human involvement?
No. The publisher says Codex and Claude agents implemented work from approved plans, while Thorsten Meyer reviewed the results and released each part. Film approvals, paid reruns and acceptance of Apple’s developer agreement also required human action.
Was the design created entirely during the two-day period?
No. The publisher says an interim draft dated Sept. 26, 2026, was carried into the work. The Oct. 2–3 timeframe refers to execution from the approved plan through the live website.
What problems did the team find?
Visual review caught icon tiles that obscured labels in dark mode and red details missed by automated film masks. An Android test also found five major issues, including a camera-screen button that wraps the German word for cancel. The publisher says the Android issues are scheduled for version 0.5.1.
How much did the redesign cost?
The supplied source does not provide a complete project cost. Its film-cost sentence is incomplete, giving only “about 134 dollars actual” without a clear scope or unit, so it cannot support a reliable total.
Source: ThorstenMeyerAI.com
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