Best Inventory Optimization Software in 2026

In short: ZebraDesigner is ranked #1 of 26 as of 4 October 2026, ahead of Manhattan Active Inventory Replenishment and 4R Systems Intelligent Inventory Optimization. The lowest first paid tier on this page is Flowlity at €249/mo.

Planning stock across sites or supply-chain stages calls for comparing how software supports inventory decisions. Look at multi-location and multi-echelon optimization, replenishment recommendations, safety stock optimization, and service-level targets. Scenario planning can also matter when evaluating plans against different assumptions. Free-plan availability and paid-from pricing help put access and cost in context. ZebraDesigner, Manhattan Active Inventory Replenishment, and 4R Systems Intelligent Inventory Optimization are among the options shown, along with Bluemingo Production Planning & Scheduling. Consider which planning capabilities match your team's inventory needs.

26 inventory optimization software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

26ranked
1free plans on this page
€249/molowest paid tier
4 Oct 2026last checked

1 of the 25 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.

#AppSignalFree tierOpen codeDevicesFromScore
1ZebraDesignerWeb · Windows · Android · iPhone Three bars—4 of 6Free6.6
2Manhattan Active Inventory ReplenishmentWeb · API One bar——1 of 6—5.5
34R Systems Intelligent Inventory OptimizationWeb One bar——1 of 6—5.4
4Bluemingo Production Planning & SchedulingWeb One bar——1 of 6—5.4
5Decion Demand PlanningWeb One bar——1 of 6—5.4
6E2open PlanningNo platforms listed One bar——0 of 6—5.4
7GAINSWeb · API One bar——1 of 6—5.4
8Logility DemandAI+Web One bar——1 of 6—5.4
9LokadWeb One bar——1 of 6—5.4
10Sophus Inventory OptimizationWeb · Self-hosted One bar——1 of 6—5.4
11CreoWeb · Windows · Mac · Android · iPhone Two bars——5 of 6—5.3
12supplychainpyWindows · Mac · Linux One bar——3 of 6—5.3
13Trinamix Multi-Echelon Inventory OptimizationWeb No signal——1 of 6—5.2
14Bluemingo Inventory OptimizationNo platforms listed No signal——0 of 6—5.1
15buffers.aiWeb No signal——1 of 6—5.1
16o9 Digital BrainWeb · Android · iPhone · API Two bars——3 of 6—5.1
17PTC Servigistics Advanced Inventory OptimizationNo platforms listed No signal——0 of 6—5.1
18SAS Intelligent Inventory ManagementNo platforms listed No signal——0 of 6—5.1
19Slimstock Slim4Web No signal——1 of 6—5.1
20Zebra Workcloud Forecasting & AnalysisWeb No signal——1 of 6—5.1
21FlowlityWeb · API One bar——1 of 6€249/mo5.0
22ketteQWeb · API One bar——1 of 6—5.0
23Netstock Inventory OptimizationWeb One bar——1 of 6$900/mo5.0
24replenishmentNo platforms listed No signal——0 of 6—4.9
25StockpylNo platforms listed No signal——0 of 6—4.6

Is your app 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 inventory optimization software is ranked first on Freedom251?

ZebraDesigner is ranked #1 of 26 with a score of 6.6. Manhattan Active Inventory Replenishment is second and 4R Systems Intelligent Inventory Optimization third.

How many of these have a free plan?

1 of the 25 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 free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation. Paid placements never change a rank.

More in Business Operations

All business operations lists