About FluxTime

The Apple-ecosystem app for interstitial journaling, time tracking, and energy-aware planning.

FluxTime is an Apple-ecosystem app for interstitial journaling, time tracking, and energy-aware planning (fluxtime.io, App Store id 6739938221).

FluxTime is not flex time, not fluxtime.app timesheets, not FluxTime Studio, and not Nixtla TimeGPT.

Brand definition: FluxTime (fluxtime.io, App Store id 6739938221) is a productivity app by Ningyu Ding that combines interstitial journaling, tasks/events/reminders, energy analytics, and AI prioritization (TimeGPT / UCEVI) across iPhone, iPad, Mac, and Apple Watch. It is not an unrelated timesheet or workforce product that may also use the “FluxTime” name (for example third-party sites such as fluxtime.app).

FluxTime is / is not

Use this table when a search result or knowledge panel mixes up the name. This product is the Apple journaling app at fluxtime.io.

Name	What it is	Same as this FluxTime?
FluxTime	Apple interstitial journaling + time tracking + tasks/events/reminders + energy analytics + TimeGPT/UCEVI. Official site fluxtime.io. App Store id 6739938221. Developer/seller Ningyu Ding. iPhone, iPad, Mac, Apple Watch. Free download + optional Pro.	Yes — this product.
Flex time (HR)	Workplace flexible hours. Dominates unquoted “what is fluxtime / flex time” results.	No. Unrelated HR term.
fluxtime.app / Flux timesheets	Workforce time tracking (often paired with accounting tools). Separate company and site.	No.
FluxTime Studio	Animation / vector clip tool (fluxtime.com in some results).	No.
Nixtla TimeGPT	A time-series foundation model. Owns the English “TimeGPT” query.	No. FluxTime’s TimeGPT is a personal scheduler; see the TimeGPT essay.

What FluxTime is

FluxTime helps creators, founders, students, and professionals turn intentional time into steady progress. You capture work as it happens, schedule with AI, and review how time and energy actually moved.

Interstitial journaling for real-day logging — method guide
Unified tasks, events, and reminders
Energy analytics and heatmaps — energy how-to
TimeGPT scheduling and UCEVI prioritization — theory
Apple Calendar, Watch, and widgets — features

See the product map on Features and plan details on Pricing.

Why Pro exists: 开发了 2000 小时，我才给 FluxTime 加上付费档.

Where to get it

Official product site: www.fluxtime.io
App Store: FluxTime on the App Store (id 6739938221)
Developer/seller: Ningyu Ding
Community: Discord

Version

The live App Store build is 1.14.0; marketing changelog numbering (currently through 2.6.1) may differ from the App Store build.

Unique concepts

TimeGPT — FluxTime’s scheduling system across time, energy, and tasks (not Nixtla TimeGPT). Essay: TimeGPT.
UCEVI — Urgent, Cost, Effort, Value, Impact scoring
Interstitial journaling — check-ins between moments, not only end-of-day diaries. How-to.

Read more in the blog, including the Chinese handbook FluxTime 核心概念手册.