Twin-Calc enables users to perform and manage multiple calculations simultaneously with ease. It is catalogued under Other productivity on PulseGate.

Who should use Twin-Calc?

Twin-Calc is a consumer product built for students and professionals needing advanced calculation tools.

How much does Twin-Calc cost?

Paid plans start at $0.99, and a free tier is available.

What platforms does Twin-Calc run on?

Twin-Calc runs on the web and iOS.

Is Twin-Calc still maintained?

Unverified. Twin-Calc has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.

What are alternatives to Twin-Calc?

Similar projects tracked by PulseGate include スワイプできる電卓マルチプロアプリ, Calculator⁼, and OneCalc.

Twin-Calc is developed by Hiroyuki Ueda, based in the United States.

When did Twin-Calc launch?

Twin-Calc first shipped in 2022.

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Twin-Calc

Name: Twin-Calc
Price: 0.99 USD
Author: Hiroyuki Ueda

App StoreOther productivity🇺🇸

Twin-Calc is an iOS productivity app featuring two calculators side by side, allowing users to perform separate or linked calculations. It supports copy/paste between calculators and is ideal for users needing to manage multiple calculations efficiently.

FreemiumWebiOS

Visit App Store

Overview

4 features

Twin-Calc sits in PulseGate's Other productivity category. It enables users to perform and manage multiple calculations simultaneously with ease. Twin-Calc is a consumer product aimed at students and professionals needing advanced calculation tools. A free plan is available; paid tiers begin at $0.99. Twin-Calc is available on the web and iOS.

Hiroyuki Ueda builds and maintains Twin-Calc, and it first shipped in 2022. Among its 4 catalogued features are dual calculators, copy/paste results, and formula display.

Dual calculators
Copy/paste results
Formula display
Ad-supported free version

Built with & integrations

Runs on

BrowseriOS

Trust & compliance

Verified signals

HTTPSFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Nothing recorded for this listing in this window.

Frequently asked questions about Twin-Calc

What is Twin-Calc?: Twin-Calc enables users to perform and manage multiple calculations simultaneously with ease. It is catalogued under Other productivity on PulseGate.
Who should use Twin-Calc?: Twin-Calc is a consumer product built for students and professionals needing advanced calculation tools.
How much does Twin-Calc cost?: Paid plans start at $0.99, and a free tier is available.
What platforms does Twin-Calc run on?: Twin-Calc runs on the web and iOS.
Is Twin-Calc still maintained?: Unverified. Twin-Calc has not been re-checked since it entered the index, so there is no finding either way — and only a positive finding would say otherwise.
What are alternatives to Twin-Calc?: Similar projects tracked by PulseGate include スワイプできる電卓マルチプロアプリ, Calculator⁼, and OneCalc.スワイプできる電卓マルチプロアプリ Calculator⁼OneCalc
Who makes Twin-Calc?: Twin-Calc is developed by Hiroyuki Ueda, based in the United States.
When did Twin-Calc launch?: Twin-Calc first shipped in 2022.

At a glance

Platforms: Mobile
Languages: English
Built for: students and professionals needing advanced calculation tools
Model: B2C
Solves: Enables users to perform and manage multiple calculations simultaneously with ease.

Registered as

App Store: 1619292082

Developer

🇺🇸Hiroyuki Ueda

Index record

Indexed: 15 Jun 2026
Lifecycle: Alive
Last seen: 15 Jun 2026

Identity audit (12)

Slug: twin-calc-apple-com
Lifecycle last checked: 8 Sep 2026
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 15 Jun 2026
Timeline basis: Indexed-at chronology. This listing's first-seen date was written by the catalog backfill, not observed here, so it is not treated as a sighting.
Name from: Derived from the project's own page and URL.
Category from: Assigned by the 2026 taxonomy migration.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model from page content.
Canonical URL: https://apps.apple.com/app/id1619292082

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