Best Retail Assortment Planning Software in 2026
Updated
In short: Increff Merchandising Software is ranked #1 of 18 as of 4 October 2026, ahead of Flowlity and NIQ. The lowest first paid tier on this page is Flowlity at €249/mo.
Retail assortment planning tools help teams shape product choices across channels, locations, and seasons. Compare channel and location planning with open-to-buy support, planning horizon, and size and color planning. Scenario and seasonal planning can also help distinguish how options address changing assortment needs. The ranking starts with Increff Merchandising Software, Flowlity, and SAS Federation Server, followed by Centric Planning & Pricing, RELEX Demand Planning, and Toolio. Alongside planning capabilities, check free-plan availability and paid-from pricing. Consider the scope of your assortment decisions and whether the listed planning features cover the dimensions your team needs to manage.
18 retail assortment planning software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
#1 Increff Merchandising Software Top pick · 6.9 
#2 Flowlity Runner-up · 6.7 €249/mo
#3 NIQ Also great · 6.7 
- Free trial Web
- Size & color planning
- Yes
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Free trial apiWeb
- Free plan
- No
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms€249/mofirst paid tier About FlowlityVisit site - AndroidapiiOSWebWindowsRecognisedDocumentedFree planFree trialPlatforms
- apiLinuxself-hostedWebWindows
- Size & color planning
- Yes
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - apiWeb
- Location planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Size & color planning
- Yes
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Size & color planning
- Yes
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Size & color planning
- Yes
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms -
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Size & color planning
- Yes
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Size & color planning
- Yes
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - self-hosted
- Free plan
- No
RecognisedDocumentedFree planFree trialPlatforms - Web
- Location planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Location planning
- Yes
- Seasonal planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms -
- Location planning
- Yes
- Scenario planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - Web
- Location planning
- Yes
RecognisedDocumentedFree planFree trialPlatforms - RecognisedDocumentedFree planFree trialPlatforms
- Web
- Free plan
- No
RecognisedDocumentedFree planFree trialPlatforms
Is your platform on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which retail assortment planning software is ranked first on The Geeks Club?
Increff Merchandising Software is ranked #1 of 18 with a score of 6.9. Flowlity is second and NIQ third.
How many of these have a free plan?
0 of the 18 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Flowlity has the lowest first paid tier we found: €249/mo.
How is this list ranked?
Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on. Paid placements never change a rank.