Get PlanCoreBuy

Windows desktop · fully offline · one installer

Spend your time planning,
not running software.

Planning methods proven by real planners. Forecasting, disaggregation, purchasing, scenario comparison - and every step can be run through an AI agent to automate your workflow. No lengthy integration project. Nothing leaves your desktop.

Start a free trial Book a setup call
Data stays local Forecast models built in CLI + agent ready

Scenarios Every plan keeps its score, on weeks it never saw

Two backdated re-forecasts on the Home screen, each scored as a dense pivot: channel and metric down the left, periods across. Under Q4 Re-forecast, Amazon forecast 58,936 units for the part of 2025 Q4 that landed against 68,260 actual, a -13.7% bias at 40.8% SMAPE and +18% over a seasonal naive. A part-finished period splits in two: 2026 YTD scores the weeks that landed, and 2026 PLAN carries the 674,166-unit projection and scores nothing, so forecast and actual can always be read as a pair. Variance and bias are red where the plan came in over and green where under. Columns print dates only when they do not cover a whole period, and say what they scored, such as 12 of 13 weeks. A button slices the nine configured sale periods in as further columns.
0forecasting model families
100%offline after install
0bytes of telemetry, ever
1installer, upgrades in place

See it run

The whole loop in forty-eight seconds

History in, models scored on weeks they never saw, the mix split down the hierarchy, and a buy plan out the other end.

0:48 Music and motion only - there's no voiceover, so it reads fine on mute.

What's inside

The whole planning workflow, one app

Everything ships in a single Windows installer: the forecasting stack, the BI layer, the grids. Nothing to configure, nothing to host.

Forecasts you can trust

Statistics, gradient boosting and the Chronos-2 foundation model, blended into one ensemble and scored only on weeks they never saw - with your supplier lead time built into the test.

Disaggregation that holds up

Push an approved forecast down through channel, category, style, size and store. Pin a share, type over a cell, and the rest re-bases around it.

Purchasing that knows your constraints

Lead times, MOQs and target weeks of supply are real inputs. Warehouse-aware, so it moves stock you already own before it buys more.

From plan to financial impact

Set revenue targets in dollars and the plan solves back to them. Plan discounts and read margin, not units alone.

Built by planners, not consultants

Starts from the Excel workbook you already have, and exports back to it. No integration project, no APIs to wire up.

Automate it, then report on it

A CLI and a local HTTP API drive the whole workflow headlessly, so an agent can run your weekly cycle end to end.

How it works

Six steps from history to purchase orders

Each step hands the next one a reviewed number. Nothing leaves the app until you've signed off on it.

  1. Step 01

    Data input

    Load your sales history workbook

  2. Step 02

    Smoothing

    See and shape the history you forecast on

  3. Step 03

    Run forecast

    Configure models, run, compare

  4. Step 04

    Forecast results

    Review and adjust the topline

  5. Step 05

    Disaggregate

    Edit the mix down the hierarchy

  6. Step 06

    Purchase

    Store splits, transfers and buy plan

Inside the app

Four screens most forecasting tools don't have

Accuracy scored on unseen weeks, a pivot that ships in the box, shares split the way you buy, and a buy plan that colours every decision.

Three accuracy leaderboards for the Ecom channel - short, medium and long horizon - each ranking seven models on score, SMAPE, MAPE, WAPE, bias in percent and in units per month, and RMSE. Chronos2 leads the short horizon at 16.3% WAPE against a seasonal naive's 22.4%; over the year XGBoost leads and the seasonal naive is last at 46.3%. The ensemble blend behind each horizon is named above its table.

Ecom, next quarter: Chronos2 at 16.3% error against a seasonal naive's 22.4% - and a different model wins the year. That is the argument for scoring every horizon instead of picking a favourite.

Backtest validation: actual demand as a dark slate reference line, with two model traces stitched across every rolling origin from 2019 to 2026. The other models stay in the legend, greyed. Dashed vertical lines mark where each window's history was cut.

Every model scored on weeks it never saw. Promotional lift is layered onto the published plan separately, so the spikes in Actual sit above every model trace here.

The built-in BI dashboard: an Excel-style free-form pivot with a field list and drop zones for Filters, Rows, Columns and Values. Two saved plans, FY27 Base and FY27 Upside, sit one per row with their forecast months side by side, and the chart above shows the pair diverging.

Drag Scenario into Rows and two plans sit one per line, month by month. Runs in-process on your own machine, and exports straight to Excel.

The shares editor, two panes with history on the left and the forecast on the right. The top pane lists categories under each gender - Mens Tee, Polo, Chino; Womens Dress, Legging, Bodysuit, Skirt - each holding its own share of its parent, and the blue cells are shares a planner typed over the average. The bottom pane drops to individual styles, each with a product thumbnail, start and end dates and its own share of the category above. Sale periods keep their own columns beside the months, and a legend under the grid names every fill.

Every level gets its own share of its parent, seeded from history and editable in place. Sale periods keep their own columns, not smeared across the month.

The purchasing inventory projection: a week-by-week walk-through of opening stock, inbound, buys, transfers and demand down to unmet demand, ending units and weeks of supply, shown for the total and for a single style beneath it. Buys land on their supplier's lead time rather than all at once, weeks below the cover target are highlighted in amber, and any demand the buy could not cover in time is called out in its own row.

Approved forecasts become buy quantities per vendor and week, walked forward from opening stock. Amber where cover falls under target, red where stock runs out.

Pricing

Priced for a planning team.

One subscription, three seats

Free for 30 days, and we'll load your data with you in the first week. Nobody can judge a demand planner against a sample workbook, so your included setup call happens inside the trial, on your own history - that is the point of it. Card at signup, nothing charged until the trial ends, cancel any time before then.

The first 10 subscriptions pay half. Enter code FOUNDING50 at checkout for 50% off your first year once the trial ends - every price below is struck through with what you would actually pay. It renews at the list price after that, and the offer comes down once the tenth is claimed.

Three planners are included in the base price, so a team can start without counting heads. Add more whenever you need them. Checkout is handled by Stripe and your download link is issued the moment payment clears.

Not sure yet? Watch the 48-second tour first.

Free trial
30 days, card at signup - nothing charged until it ends
Base subscription
$4,800 $2,400 a year - three planner seats included
Each extra planner
+$300 +$150 a year, or $25 $12.50 a month - added at checkout
Prefer to start small?
$490 $245 a month, cancel any time - annual works out cheaper
Ten seats and up
Priced with you directly - the seat picker will hand you over
After the first year
Renews at the list price - $4,800 a year, or $490 a month
Updates
Every release while you subscribe, installed in place

PlanCore License

50% off · first 10
seats

Free for 30 days, then

Regular price $4,800$2,400per year

3 seats included

50% off your first year with code FOUNDING50 at checkout - the first 10 subscriptions only. The trial comes first: 30 free days, then twelve months at half price. Renews at $4,800 a year.

List price: $4,800 a year, three seats included · +$300 per extra seat · 10+ seats priced with you directly

  • Full Windows desktop app - every feature, no tiers
  • Multi-planner ready - edits are attributed by user
  • Code-signed offline installer (~1 GB, forecasting models included)
  • Every update while you subscribe, installed in place
  • Setup call in your first week - we load your real data together
  • Direct email support from the developer

Card at signup, nothing charged for 30 days · cancel any time before then · instant download link
questions first? Get in touch

Digitally code-signed and verified by Windows before it runs, published with a SHA-256 checksum, and fully offline after download. Upgrades install in place and never touch your data.

Support & setup

You'll be talking to the developer

No ticket queues. Email lands directly with me, and every license includes a hands-on setup session.

Email support

Questions before buying, help after - same address, direct to me.

Loading…

Setup & onboarding call

Included with your license: we install it together, load your data, and run your first forecast.

Request a time →

FAQ

Common questions

What do I get after purchasing?

Immediately after checkout you land on a page with your personal download link for the latest PlanCore-Setup.exe, plus install instructions. You'll also get a Stripe receipt by email, and I'll follow up to schedule your setup call.

Is the installer safe? Windows warned me about downloads before.

The installer is digitally code-signed, so Windows can verify the publisher before running it, and each release ships with a SHA-256 checksum you can verify yourself. It's a large download (~1 GB) because the entire forecasting stack is bundled - nothing is fetched at runtime.

Does my data go to the cloud?

No. PlanCore is fully offline after installation. Forecasting runs on your machine, your workbooks stay in your local app data folder, and the app never phones home - there is no telemetry of any kind.

How do updates work?

When a new version ships you'll get an email with the same permanent download link. Run the new installer and it upgrades in place - your scenarios, workbooks, and settings are never touched.

What are the system requirements?

Windows 10/11, 64-bit. 8 GB RAM minimum (16 GB recommended for AI forecasting on larger datasets). No graphics card required: the forecasting stack ships CPU-only and runs on an ordinary work laptop.

If the machine does have a recent NVIDIA card, the installer offers to enable GPU acceleration for forecasting - it's a tick box during setup, and it downloads about 2.4 GB the one time. It's only offered for cards new enough to actually be faster, and if the card turns out not to work the installer puts the CPU version back on its own.

Can I try it before buying?

Get in touch - I'm happy to do a live demo on a screen share with your kind of data, and walk through whether it fits your workflow before you spend anything.

Ready to plan with confidence?

One installer. Every model. Your data stays yours.

Buy PlanCore