Phases, tasks, sub-tasks
Project → phase → task → sub-task. Sub-tasks roll up their dates and progress into the task above.
For sites, offices and every kind of project
Plan the work.
Plan the work.
Dates move themselves.
PlanFlow puts a full project planner on your phone. Break a project into phases and tasks, link them, and PlanFlow works out every date on working days. Update progress in three taps, with photos, right from the site.
- Works fully offline
- No ads, no tracking
- Backup to your own Google Drive
Tue, 10-Nov-2026Good morning, Ravi
R
3 of 8 doneToday · 2 more due by 5 PM
Continue
Continue
5Due today
2Overdue
1Held up
Today's tasks See all
Column casting – GFStructure · Mason team A
70%
Rebar for beamsReinforcement · Held up
On hold
Site survey reportPlanning · Me
Done
4link types: FS, SS, FF and SF, with lag
4 viewsList, Board, Timeline and Calendar
100%offline. No signal needed on site
0ads, trackers or accounts with us
Features
Everything a project needs.
Everything a project needs.
Nothing it doesn't.
The power of a desktop scheduling tool, shaped for a phone in one hand.
Linked tasks
Finish-to-start, start-to-start, finish-to-finish and start-to-finish, each with lag or overlap in days.
Automatic rescheduling
Change one date and every task after it moves, counting working days only. See what moved, and undo.
Gantt timeline
Day, week and month zoom, link arrows, baseline bars and a today line. Pinch to zoom; hold a bar to move it.
Kanban board
Columns by status. Drag a card from Not started to Done and the progress follows.
Photo progress updates
Slide to the new percent, add a note and site photos. Every update is kept in the task's history.
Hold-ups, in plain sight
Flag a task as held up for material, labour, weather, approvals or machinery, so delays never hide.
PDF reports
A clean progress report with phase bars, late tasks and photos. Share it on WhatsApp or email in seconds.
Reminders that arrive
A daily digest at your time, reminders per task and a heads-up the day before your work starts.
Calendar & My Tasks
Every project on one month grid, and everything assigned to you across projects in one list.
Drive backup & sync
Back up automatically to your own Google Drive and keep your phones in step with each other.
App lock & Trash
Lock PlanFlow with your fingerprint. Deleted work waits 30 days in Trash before it is gone.
Scheduling
Link it once. PlanFlow keeps it right.
Every change reschedules the whole project on working days. Weekly offs and holidays are skipped, actual dates win over the plan, and nothing is pulled earlier behind your back.
FSFinish → StartStarts the working day after the other finishes.SSStart → StartStarts together, or a few days later.FFFinish → FinishFinishes when the other finishes.SFStart → FinishFinishes the day before the other starts.
Green Park Villa
On site
Update a task in three taps.
The update sheet is built for gloves and bright sun: big controls, quick percent chips and the camera one tap away.
- Actual dates fill in for you when work starts and when it reaches 100%.
- Expected finish moves the plan, and every linked task after it.
- Share the update as text and photos to WhatsApp, SMS or email.
Column casting – GF
Green Park Villa › Foundation
70%In progress
255075100Held up
Site update: 6 of 9 columns cast. Cement for the rest arrives tomorrow.
Save update
Board
See the whole project at a glance.
Switch between List, Board, Timeline and Calendar for any project. Late and held-up work is marked in every view, with text and icons as well as colour.
- At-risk warning when a task on the critical path is overdue, so the end date never surprises you.
- Baseline keeps your first plan, so you can see how far things moved.
- Search and filters by status, priority, person, category and dates.
Board
Not started 3
Slab concreteStructure · 4 days
Plumbing linesMEP · 3 days
InspectionMilestone
In progress 2
Column castingMason team A
Beam shutteringCarpenters
Done 4
ExcavationDone 04-Nov
Footing & PCCDone 09-Nov
Who it's for
Any project with a plan.
Start from a template with ready categories and hold-up types, or start empty. Everything stays editable.
Construction
Site engineers and contractors running civil, structure, MEP and finishing work.
Software
Small teams planning design, build, test and release.
Events
Venue, vendors, promotion and logistics, counted down to the day.
Office & more
Fit-outs, moves, audits and anything with steps and a deadline.
Privacy
Your projects stay yours.
PlanFlow keeps everything on your phone. We run no servers and never receive your data. If you turn on backup, it goes straight to a hidden folder in your own Google Drive.
- Works with no internet at all
- No ads, analytics or tracking
- Backup only to your own Drive
- Sync between your own phones
Help
Questions, answered.
Does PlanFlow need the internet?
No. Every screen works offline and opens straight from your phone's storage. The internet is used only for Google Drive backup and sync, when you turn it on.
How does it work out the dates?
Each task has a number of working days. Link tasks with FS, SS, FF or SF and an optional lag, and PlanFlow sets each start and end, skipping your weekly off and holidays. When a task runs late, everything linked after it moves later, and a message shows what moved, with Undo.
Can I use it on two phones?
Yes. Connect the same Google account on both phones in Me → Backup, sync & restore. Each phone merges the other's changes through your Drive, so both stay up to date.
Can my team use it?
Today PlanFlow is for one person: you keep your team's names, assign tasks to them and share updates and PDF reports with them. Shared projects for whole teams are planned for a later version.
What if I lose my phone?
If Drive backup was on, install PlanFlow on the new phone, sign in with the same Google account and restore. You can also save a backup file (data and photos) anywhere you like at any time.
How do I delete my data?
Delete items in the app, or uninstall it to remove everything from the phone. The Drive backup can be removed from Google Drive's settings. See Delete your data.
Your next project, planned in minutes.
Try the sample project on first start, or begin with a template.