Independent product studio · Tokyo

Useful software,
finished properly.

Arelvia Studio builds focused self-serve tools and explores new ways for people to coordinate, recover, and get work done.

Explore our work How we build
What we do02

We make digital products for work that should feel lighter, clearer, and more dependable.

Some become products you can buy. Others remain clearly labelled research until evidence says they deserve more. No inflated claims, no manual fulfilment hiding behind a checkout.

Available now03

Paid product · $29 once

TimeIIF

Preflight QuickBooks TimeActivity imports before they become a cleanup project.

CSVtimesheet.csv184 rows
IIFready-to-import.iifPreflight passed
LOCAL-FIRST

TimeIIF turns a timesheet CSV into a QuickBooks TimeActivity IIF, while surfacing mapping gaps and blocking errors before export. The workflow runs in the browser and includes immediate access after purchase.

  • 01 Map columns with a live data preview
  • 02 Catch invalid rows before export
  • 03 Recover access without support tickets
Visit TimeIIF Opens the live product site
Studio research04

Before a product,
a real question.

These explorations are not presented as finished commercial products. Their job is to find out whether a new behavior is useful enough to earn one.

R.01

Public research prototype

Continuity Drill

A lightweight drill for teams to test whether work can continue when a key person or system becomes unavailable.

Open the research prototype
R.02

Private experiment

Audience Swap Pact

Exploring structured, consent-led audience exchanges that make collaboration measurable and reversible.

Not publicly available
R.03

Private experiment

Recall Relay

Exploring how groups can recover shared context without turning every conversation into permanent surveillance.

Not publicly available
Operating principles05

Built to be
believed.

Trust is part of the product: clear status, recoverable access, bounded data, and claims tied to evidence.

01

Evidence over theatre

A live URL is not traction. We separate what is available, what is being tested, and what people actually pay for.

02

Self-serve by design

Products should deliver value without a hidden service desk. Purchase, access, recovery, and use are designed as one system.

03

Small surface, deep finish

We prefer a narrow job completed reliably over a wide product full of loose ends.

Arelvia Studio · Tokyo

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