Best Retail Assortment Planning Software in 2026

In short: Assortment.AI is ranked #1 of 18 as of 5 October 2026, ahead of NIQ and SAS Federation Server. The lowest first paid tier on this page is Flowlity at €249/mo.

Assortment planning ties product decisions to where and when you expect to sell. Compared on channel and location planning, these systems also differ in open-to-buy support, planning horizon, scenario and seasonal planning, and size and color planning. Check free-plan availability and paid-from pricing alongside the capabilities relevant to your merchandising process. Assortment.AI, NIQ, and SAS Federation Server are among the entries to consider. Think through the scope of your plans—across locations, channels, seasons, or product variants—and use those listed criteria to assess how each tool could fit your team’s planning needs.

18 retail assortment planning software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

18ranked
0free plans on this page
€249/molowest paid tier
5 Oct 2026last checked

Retail Assortment Planning Software, one module each. A lit port is something its maker publishes; 6 of the 18 on this page have a public API.

  1. 01 Assortment.AI API yesOSS not on recordFREE not on recordDOCS 6.9
  2. 02 NIQ API yesOSS not on recordFREE not on recordDOCS 6.9
  3. 03 SAS Federation Server API yesOSS not on recordFREE not on recordDOCS 6.9
  4. 04 Flowlity API yesOSS not on recordFREE not on recordDOCS 6.8€249/mo
  5. 05 LEAFIO AI Assortment Performance API yesOSS not on recordFREE not on recordDOCS 6.6
  6. 06 SAP Retail API yesOSS not on recordFREE not on recordDOCS 6.6
  7. 07 Centric Planning & Pricing API not on recordOSS not on recordFREE not on recordDOCS 5.6
  8. 08 AssortSmart API not on recordOSS not on recordFREE not on recordDOCS 5.5
  9. 09 Increff Merchandising Software API not on recordOSS not on recordFREE not on recordDOCS 5.5
  10. 10 RELEX Demand Planning API not on recordOSS not on recordFREE not on recordDOCS 5.5
  11. 11 Retalon Price Management and Optimization API not on recordOSS not on recordFREE not on recordDOCS 5.5
  12. 12 Toolio API not on recordOSS not on recordFREE not on recordDOCS 5.5
  13. 13 Board API not on recordOSS not on recordFREE not on recordDOCS 5.4
  14. 14 Style Arcade API not on recordOSS not on recordFREE not on recordDOCS 5.4
  15. 15 Vusion Assortment API not on recordOSS not on recordFREE not on recordDOCS 5.4
  16. 16 SymphonyAI Assortment Optimization API not on recordOSS not on recordFREE not on recordDOCS 5.3
  17. 17 Circana Liquid Activation API not on recordOSS not on recordFREE not on recordDOCS 5.1
  18. 18 TCS BaNCS for Treasury API not on recordOSS not on recordFREE not on recordDOCS 5.0
Compare all 18 in a table
#PlatformScoreFree planFromFree planPaid fromSize & color planningLocation planning
1Assortment.AI6.9No————Yes
2NIQ6.9No—————
3SAS Federation Server6.9No———YesYes
4Flowlity6.8No€249/moNo———
5LEAFIO AI Assortment Performance6.6No————Yes
6SAP Retail6.6No—No———
7Centric Planning & Pricing5.6No———YesYes
8AssortSmart5.5No————Yes
9Increff Merchandising Software5.5No———YesYes
10RELEX Demand Planning5.5No———YesYes
11Retalon Price Management and Optimization5.5No———YesYes
12Toolio5.5No———YesYes
13Board5.4No—No———
14Style Arcade5.4No———YesYes
15Vusion Assortment5.4No————Yes
16SymphonyAI Assortment Optimization5.3No————Yes
17Circana Liquid Activation5.1No————Yes
18TCS BaNCS for Treasury5.0No—————

Is your platform on this list?

Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.

Questions about this list

Which retail assortment planning software is ranked first on Inferse?

Assortment.AI is ranked #1 of 18 with a score of 6.9. NIQ is second and SAS Federation Server 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 what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.

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