# DownClock

> Transfer time calculator

Canonical page: [https://chrome-stats.com/d/id6767010100](https://chrome-stats.com/d/id6767010100)

## Overview

- **ID:** `id6767010100`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Artem Trubitsyn
- **Category:** Utilities
- **Rating:** 5.00 / 5 (2 ratings)
- **Version:** 1.1
- **Last updated:** 2026-05-26
- **First published:** 2026-05-15
- **Size:** 2.28 MB
- **Data as of:** 2026-09-26
- **Store listing:** [Apple App Store](https://apps.apple.com/ua/app/downclock/id6767010100)
- **Website:** [https://downclock.app](https://downclock.app/)
- **Privacy policy:** [https://downclock.app/#privacy-policy](https://downclock.app/#privacy-policy)

## Description

Ever wondered exactly how long a 4K video will take to upload, or whether your new ISP plan is actually faster? DownClock gives you an instant, accurate answer.

Enter a file size (KB to TB, binary or SI), pick your connection speed from common presets or type your own, and watch the result roll in — days, hours, minutes, seconds.

Built for developers, IT admins, content creators, and anyone comparing ISP plans. No ads. No accounts. No nonsense.

FEATURES
- File sizes from KB to TB — binary (KiB/GiB) and SI units
- Speed presets: 1 Mbps to 10 Gbps
- Compare two ISP providers side by side
- Calculation history
- Protocol overhead slider (TCP/IP + HTTP)
- ISP efficiency slider (advertised vs. actual speed)
- Animated rolling-digit result display
- Light, dark, or system appearance
- iPhone and iPad — portrait optimized
- Zero network requests. Completely private.

## Rankings

- #660,705 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id6767010100)