For window manufacturers who still measure by hand

Replace the clipboard. Keep the craft.

The mobile measurement app for joinery shops that outgrew Excel but can't justify €15,000 for Klaes. Built by a Lithuanian software studio. Launching Q4 2026.

Coming to iOSQ4 2026 Coming to AndroidQ4 2026

Today · clipboard

Frametap · mobile

9:41 5G · 87%

Demo · Job #2841

Survey · Window 3 of 7

1240 890 PVC · TILT+TURN

1240

890

U-val

1.1

Save & sync ↑

← Drag to compare Same measurement. Different century.

— 03 / Problem Why this exists

There are three ways to measure a window in 2026. None of them are good.

The free option is dead. The professional option is desktop software at the price of a small car. Most shops are quietly back on paper.

The dead app01

iwindoor is gone.

The only mobile-first window survey app on Android was delisted from Google Play in February 2025. Your team is now relying on a 2018 APK from a sideload site — no updates, no security patches, no support.

StatusSideloaded · 2018 build

The enterprise tax02

Klaes wants €15k. Up front.

Klaes, LogiKal and SchüCal start north of €10,000 and require Windows desktops in the office. None of them ship a real mobile app. They were built for 200-person factories — not for the five-person joinery shop that does ninety percent of the EU market.

Entry price€10,000–€18,000

The clipboard cost03

Every wrong digit is a re-make.

A single measurement error on a triple-glazed unit costs £200–£800 in scrap material and a return van. Most shops re-make three to eight percent of orders. That's a full salaried surveyor's wage, every year, lost to bad handwriting.

Re-make rate3 – 8% of orders

— 04 / Product What Frametap does

Six things, done properly. Nothing else.

The goal isn't to replace your ERP. It's to replace the moment in the van where someone types numbers off a paper sketch into a spreadsheet and nobody catches the typo.

Designer in your pocket

Sketch any window: mullions, transoms, sliding panels, French doors, arched heads. Touch-first. The same fluency a draughtsman gets with a pencil — on a phone, in a porch, in the rain.

One photo per window

The production team sees the brick reveal, the lintel, the existing trickle vent — exactly what the measurer saw. Photos attach to the measurement, not to an email someone forgot to forward.

Survey report PDF

Branded, signed, time-stamped. Sent to the office before you leave the site. The customer gets a copy. No more "did you send me the measurements yet?" texts at 7 p.m.

Works offline. Always.

Measure in basements, attics, half-built construction sites. No bars, no problem. Everything syncs the moment you're back on Wi-Fi — and you'll know exactly what's pending.

PVC, wood, aluminium

Material-aware fields. The right thermal break dropdown for aluminium, the right glazing bead options for timber, the right reinforcement spec for PVC. Not the iwindoor compromise of "everything is white PVC."

GDPR-compliant cloud

Frankfurt data center. No US transfer. No third-party sub-processors that can't survive a Schrems II audit. Your customer data and your customers' addresses don't leave the EU.

— 05 / Compliance Regulations baked in, not bolted on

Your customers will need embodied carbon and U-value evidence starting 2026.

Spreadsheets won't survive the audit. Frametap is being built with these regulations as constraints, not afterthoughts. The fields that need to be on the survey are the fields that are on the survey.

EU · CPR 2024/3110

Declaration of Performance & Conformity

In force · January 2026

EU · EPBD recast 2024/1275

Member-state GWP reporting

In force · 2028

UK · Future Homes Std

Real-world per-window U-value

In force · 2025

— 06 / Comparison Where Frametap sits

Cheaper than enterprise. Better than free.

A direct comparison against the three things a five-to-fifteen-person shop is actually choosing between today.

	Frametap	iwindoor (delisted)	Klaes / LogiKal	Excel + clipboard
Price / month	€99/MO	Free · abandoned	€10k+ up-front	— / your time
Mobile-first	Native iOS & Android	Android only · old APK	Windows desktop	Paper + retype
Cloud sync	EU · GDPR	Local only	Add-on module
Per-window photos				Camera roll, lost
PVC + wood + aluminium		PVC only
Active development	Weekly	Abandoned	Annual major
Multi-language	EN · DE · PL · LT	EN only		—
Setup time	4 minutes	15 min	2-day on-site	0 / forever

— 07 / Team Who's building this

Frametap is being built by djump.io — a Klaipėda-based software studio. We started the project after six months of fenestration market research: reverse-engineering the iwindoor APK, mapping the EU CPR 2024/3110 compliance roadmap, and interviewing window manufacturers across the UK, Germany and Poland.

The product stays deliberately small. It is not an ERP, it does not optimise cutting lists, and it does not try to replace your office workflow. It replaces the moment in the van where a measurement is written on paper and re-typed at the desk. That moment is where re-makes are born.

● Made in Lithuania 🇱🇹 ● GDPR · Frankfurt-hosted ● Product of djump.io

— 08 / Waitlist Get the early-bird price

Be one of our first ten pilot factories.

Tell us the bare minimum and you're on the list. The optional fields help us prioritise which language and which material to ship first.

Your name

Email required

Company optional

Your role optional

Country optional

Team size optional

What do you use today? free text — most valuable to us

We use your email to send Frametap updates only. No marketing partners, no resale. GDPR-compliant. Unsubscribe in one click. Privacy

You're on the list.

We'll send your early-bird code when the MVP is ready — Q4 2026.

Reply to any of our emails if you want to be a design partner. We're giving the first ten factories free Pro for life.

What is the best iwindoor alternative in 2026?

Frametap is the direct replacement for iwindoor, which was removed from Google Play on 13 February 2025. Frametap is mobile-first (iOS and Android), supports PVC, timber and aluminium windows, syncs to a GDPR-compliant Frankfurt data centre, and is priced for shops of five to fifteen people — €99/month with an early-bird rate locked for life.

What is the cheapest window measurement software for joinery shops?

At €99/month, Frametap is roughly 10–50× cheaper than the enterprise CAD options (Klaes, LogiKal, A+W), which start at around €10,000 upfront and require Windows desktops. Frametap runs on the phones your team already has.

How do small window shops digitise the measurement process?

The minimum digital survey loop is: a phone in the surveyor's hand, a sketch of the window, dimensions, a photo of the reveal, the material and glazing spec, and a PDF that lands in the office before the surveyor leaves the site. Frametap is built around exactly this loop. Nothing else.

When does Frametap launch?

Q4 2026. Waitlist members receive their early-bird code first, and the first ten pilot factories receive Frametap Pro for life at no charge in exchange for design-partner feedback.