Kello helps mechanical watch owners analyze and improve the accuracy of their timepieces. It is catalogued under Other productivity on PulseGate.

Kello is a consumer product built for mechanical watch enthusiasts.

Is Kello still active?

Unverified. Kello 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.

Kello is developed by Coldflower Design Corp., based in the United States.

Back to the index

Kello

Name: Kello
Author: Coldflower Design Corp.

App StoreOther productivity🇺🇸

Kello analyzes the precision of mechanical watches using a microphone and the iOS system clock. It detects watch frequencies and displays timing accuracy, helping enthusiasts maintain and optimize their mechanical timepieces.

FreeiOS

Visit App Store

Overview

3 features

Kello is an Other productivity project. It helps mechanical watch owners analyze and improve the accuracy of their timepieces. It is built as a consumer product for mechanical watch enthusiasts. Kello costs nothing to use. It runs on iOS.

Behind Kello is Coldflower Design Corp., based in the United States, and it first shipped in 2010. Among its 3 catalogued features are watch accuracy analysis, frequency detection, and microphone support.

Watch accuracy analysis
Frequency detection
Microphone support

Built with & integrations

Runs on

iOS

Trust & compliance

Verified signals

HTTPSFree tierStore-verified publisher

Indexing history

What PulseGate has recorded for this listing

Indexed26 Jun · 15:15 UTC
Listing verified against its public source
Source: PulseGate · Open

Frequently asked questions about Kello

What is Kello?: Kello helps mechanical watch owners analyze and improve the accuracy of their timepieces. It is catalogued under Other productivity on PulseGate.
Who is Kello for?: Kello is a consumer product built for mechanical watch enthusiasts.
How much does Kello cost?: Kello is free to use.
What platforms does Kello run on?: Kello runs on iOS.
Is Kello still active?: Unverified. Kello 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.
Who develops Kello?: Kello is developed by Coldflower Design Corp., based in the United States.
When did Kello launch?: Kello first shipped in 2010.

At a glance

Platforms: Mobile
Languages: English
First seen: 26 Jun 2026
Built for: mechanical watch enthusiasts
Model: B2C
Solves: Helps mechanical watch owners analyze and improve the accuracy of their timepieces.

Registered as

App Store: 380539253

Developer

🇺🇸Coldflower Design Corp.

Live coverage

Identity confidence: High · 90.4
Indexed: 26 Jun 2026
Lifecycle: Unverified
First seen: Jun 2026
Last seen: 26 Jun 2026

Identity audit (12)

Slug: kello-apple-com
Verification state: Indexed for public listing
Listing state: Listed: yes
Index status: Included in index
Latest evidence snapshot: 26 Jun 2026
Timeline basis: Indexed-at chronology (no inferred launch/funding milestones).
Name from: Derived from the project's own page and URL.
Category from: Assigned by a language model.
Summary from: Taken from the project's own store listing.
Languages from: Detected by a language model from page content.
Last updated: 1 Aug 2026
Canonical URL: https://apps.apple.com/ca/app/kello/id380539253

Ship this? Send a correction — no account, and you get a link to follow it.

Similar apps

Closest matches by what these projects do