Flieber alternatives

Last reviewed

Flieber is a strong fit for omnichannel and wholesale brands with budget for guided onboarding. Its Shopify App Store plans run from $299 to $599 a month.

Flieber at a glance

Flieber is a demand planning tool from Flieber Inc. in New York, aimed at brands that sell across several channels, including wholesale.

Flieber
Price $299, $399 or $599 a month on the Shopify App Store; quote after a demo on flieber.com
Trial 14 days
Channels Shopify, Amazon, 3PLs and ERPs, plus a Google Sheets connection
Forecasting Its own engine built on Nixtla TimeGPT; Flieber says it’s “34% more accurate”
Purchasing Draft purchase orders by supplier; scenario analysis for purchase and transfer orders
Also Kits and bundles, preorders and backorders, multi-warehouse
Shopify App Store rating 5.0 from 5 reviews

Where Flieber is the better choice

Be clear about this before you compare:

  • Omnichannel and wholesale. If wholesale is a big part of your business, Flieber is built for planning it alongside DTC and marketplaces.
  • Guided onboarding. Every review we found praises the support team. If you want someone to set it up with you, that counts.
  • Scenarios and integrations. Purchase and transfer-order scenarios, a Google Sheets connection, and API access on the top plan.

Why brands look at alternatives

  • Price. $299 a month is the entry point on the App Store. For a smaller Shopify brand, that’s a lot for a buy list.
  • Learning curve. Some reviewers mention a steep start, though reviews are few.
  • Seeing the reasoning. Flieber highlights forecast accuracy. Some teams care more about seeing why a quantity was recommended, so they can trust it and explain it to a supplier.

Other options

Tool Best for
Inventory Planner Established brands wanting a long-standing tool with many integrations
Prediko Shopify-first brands that want plans priced by revenue
SoStocked Amazon FBA private-label sellers
A spreadsheet One supplier, a handful of SKUs, and time to update it
Kerno Forecast Shopify and Amazon brands that want the reason behind every quantity

Where Kerno Forecast fits

Kerno Forecast plans reorders for brands selling on Shopify and Amazon, and shows its working:

  • Every line says why: sold-out days left out, the real lead time, stock already on order, bundle demand.
  • Lead times come from your past orders, not the supplier’s quote.
  • Promo spikes stay out of everyday demand, and seasonality is accounted for.
  • One draft purchase order per supplier, which you check before anything is sent.

It’s in early access and pricing isn’t published yet. See how it plans a reorder, or ask for early access.

Sources, checked 27 October 2026: flieber.com, Flieber pricing, Flieber on the Shopify App Store and its reviews.

See it in Kerno Forecast.

What you see once your store is connected, with example data. It opens on the view for this topic; click through the other tabs. More about Kerno Forecast

Kerno Forecast, as of 5 DecExample data

Overview

Every product across Shopify, Amazon and your warehouses, as of 5 Dec. Recalculated each morning.

  • Buy list$9,421What the suggested orders cost, at each supplier’s price.
  • Products to order this week4Products whose order-by date is in the next 7 days.
  • In-stock rate91%Share of selling days each product was in stock, weighted by its sales. Last 90 days.
  • Sales lost to stockouts$24,800Sold-out days × in-stock daily sales × price. An estimate. Last 90 days.
  • Stock on order$10,310Open purchase orders not yet received, at cost.
  • Overstock$5,240Cost of stock with more than 180 days of cover, or unsold for 90 days.
  • Forecast accuracy87.0%1 − (units forecast wrong ÷ units sold), per product, last 3 months.
  • Days of cover51 days(On hand + on order) ÷ in-stock daily sales. Median across products.
  • Stock turns5.2×Cost of goods sold in the last 12 months ÷ average stock at cost.
  • Supplier delay10 daysAverage days the last 3 orders arrived after the supplier’s quoted date.

Needs you today

Order 840 insulated bottles today.Ningbo has taken 38 days, not 25. Ordering later than today means a sell-out around 9 Jan, in the January sale.

Order cold brew jars and black mugs by 8 Dec.One Jingdezhen order for both, so the mugs ride in the same shipment.

3 purchase orders are late.The 200 bottles and 400 mugs are already counted, at their new dates. Chase the 200 straw packs Ningbo didn’t ship.

Black mugs at Amazon drop under 28 days this week.Send 90 from New Jersey before Amazon starts its low-inventory fee.

Gift boxes are covered for the peak.650 arrive from Leeds on 9 Dec, before the last week of Christmas orders.

Buy list

What to order, how many and by when. The order-by date allows for each supplier’s real lead time plus 7 days of safety stock.

ProductSold a dayOn handOn orderDays of coverLead timeOrderOrder byWhy
Insulated bottle, 750 mlNingbo Steelware, $6.40 each301,1002004338 days840$5,376TodayOut of stock 27 of the last 90 days; the December peak is inside the cover window.
Spare bottle lidNingbo Steelware, $0.90 each9420–4738 days350$3156 Dec5 of its 9 a day sell inside two bundles. Rounded up past the 300 minimum.
Steel straw packNingbo Steelware, $1.20 each63802009738 days500$60025 JanNot due until 25 Jan. Added to this Ningbo order so it ships in the same run.
Cold brew jarJingdezhen Ceramics, $5.50 each8410–5141 days420$2,3108 DecSales up 4% a month since June. The last 3 orders took 41 days, not 25.
Travel mug, blackJingdezhen Ceramics, $4.10 each195804005241 days200$8208 Dec400 already on order, so only 200 more. Goes on the same order as the jars.
Gift box setLeeds Print & Pack, $11.00 each253006503821 days–Covered650 arrive 9 Dec and cover the rest of the peak. Sales fall to 6 a day in January.
Buy list$9,421

Sold a day leaves out the days a product was sold out, and counts every bundle sale on each product inside it. Quantities round up to the supplier’s minimum and the bottle’s case of 24. Change any quantity and the purchase order follows.

Forecast

One model per product, picked by which would have forecast its last 12 months best. Every forecast shows its range, and you can change any month.

Insulated bottle, 750 ml, units a month

04008001,2001,600TodaySold outDecFebAprJunAugOctDecFebAprJunAugOct

Solid: sold last year. Red: units it would have sold in September and October if it hadn’t sold out, which the forecast counts as demand. Dashed: the forecast, with the shaded range it expects to land in 9 months out of 10.

Every product’s forecast

ProductModelNext 30 daysNext 90 daysAccuracyYour changes
Insulated bottle, 750 mlSeasonal, peaks in December1,3803,14088.0%+180 in January for your planned sale, added by you
Gift box setSeasonal, peaks in November and December62090081.0%–
Travel mug, blackSteady5701,71091.0%–
Cold brew jarGrowing, up 4% a month25079084.0%–
Spare bottle lidFollows the bottle and its two bundles27083089.0%–
Steel straw packSteady18054090.0%–
Insulated bottle, 1 lNew, borrows the 750 ml bottle’s pattern0640NewLaunches 20 Jan, set by you

Accuracy compares the last 3 months’ forecast with what sold. Your changes stay on the forecast, labelled, until you remove them.

Purchase orders

Every purchase order from draft to received. Expected dates use each supplier’s real lead time, not the date they quoted.

OrderStatusLinesValueSupplier saidExpectedNext step
PO-124Ningbo SteelwareDraft840 bottles, 350 lids, 500 straw packs$6,291–12 JanApprove and send today.
PO-125Jingdezhen CeramicsDraft420 cold brew jars, 200 black mugs$3,130–18 JanApprove by 8 Dec.
PO-123Leeds Print & Pack, sent 18 NovConfirmed650 gift box sets$7,1509 Dec9 DecOn time.
PO-122Jingdezhen Ceramics, sent 30 OctConfirmed, late400 black mugs$1,64024 Nov10 Dec16 days late. Ask for a ship date.
PO-121Ningbo Steelware, sent 2 NovIn transit, late200 bottles$1,28027 Nov10 DecAt the port. The bottle’s buy list already counts it.
PO-119Ningbo Steelware, sent 20 OctPartly received, late200 of 500 straw packs still to come$24014 NovNot shippedShort by 200. Chase them, or close the rest of the order.

Drafts are ready to check and send as a PDF or email, in the supplier’s currency. Receive in part or in full; a short delivery stays open until you close it.

Suppliers

SupplierQuoted lead timeReal, last 3 ordersOn timeMinimum orderCurrency and terms
Ningbo Steelware25 days38 days1 of 3300 per productUSD. 30% with the order, the rest before it ships
Jingdezhen Ceramics25 days41 days0 of 3200 per productCNY. 50% with the order, the rest before it ships
Leeds Print & Pack21 days21 days3 of 3250 per productGBP. 30 days after delivery

The buy list plans with the real lead time. When a supplier speeds up, the next three orders bring the figure back down.

Locations

Stock and days of cover at each place you sell from. Each location is forecast from the orders it ships.

ProductOwn warehouse, New JerseyShipMonk, Las VegasAmazon FBA
Insulated bottle, 750 ml52040 days at 13 a day18026 days at 7 a day40040 days at 10 a day
Travel mug, black38048 days at 8 a day408 days at 5 a day16027 days at 6 a day
Cold brew jar30060 days at 5 a day11037 days at 3 a day0Not stocked

Suggested transfers

ProductMoveFromToFreightWhy
Travel mug, black120Own warehouse, New JerseyShipMonk, Las Vegas$46Las Vegas runs out in 8 days; New Jersey has 47. After the move both have about 32 days.
Insulated bottle, 750 ml70Own warehouse, New JerseyShipMonk, Las Vegas$38Evens both sites to about 35 days, so west coast orders don’t ship from New Jersey at twice the postage.

Approve a transfer and Kerno writes the transfer order, or the inbound shipment for ShipMonk. A transfer is suggested only when it costs less than ordering more.

Amazon FBA

Amazon FBA, from Amazon’s inventory, restock, inventory-planning and storage-capacity reports. Amazon’s own restock suggestion sits beside Kerno’s.

  • Ready to ship674Units Amazon can sell now.
  • Reserved96In customer orders, moving between warehouses, or being checked.
  • To send this week90Units Kerno suggests sending from your own stock.
  • Storage used182 of 300Cubic feet against your limit for standard-size items.
  • Aged surcharge$168Amazon’s estimate for next month, on stock over 180 days old.

Send 90 black travel mugs to Amazon this week.Send 90 from New Jersey this week. Under 28 days, Amazon adds a low-inventory fee to every unit.

210 sage travel mugs are 271–365 days old.Amazon estimates a $168 surcharge next month. A removal order at about $0.97 a unit costs less, or run a coupon first.

Stock at Amazon

ProductReady to shipReservedUnsellableAmazon suggestsKerno: send nowNext step
Insulated bottle, 750 mlB0C7K2M4QX3406035 in orders, 20 moving4280–Covered to 14 Jan. Kerno plans the next send for 20 Dec, from the 12 Jan order.
Travel mug, blackB0C9TRVM6K1303022 in orders, 8 moving218090Send 90 from New Jersey this week. Under 28 days, Amazon adds a low-inventory fee to every unit.
Travel mug, sageB0C9TRVS2P20462 in orders, 0 moving–––Remove 150 or run a coupon before the aged surcharge rises in January.

Amazon’s suggestion assumes you can send any amount at any time. Kerno’s counts what is in your own warehouse, what is on order from the supplier, and the next send date.

Units by age at Amazon

Product0–90 days91–180181–270271–365Over 365Surcharge, next month
Insulated bottle, 750 ml400–––––
Travel mug, black15010––––
Travel mug, sage–––210–$168

After this week’s send, storage use is 191 of 300 cubic feet. Inbound shipments are planned to avoid Amazon’s placement fee where splitting the shipment costs less than the fee.

Bundles

Bundles are built from stock of their parts, so Kerno forecasts each part from every listing it sells in.

BundleMade fromSold a dayCan build nowLimited by
Bottle and two spare lids1 × insulated bottle, 750 ml, 2 × spare bottle lid2210Spare bottle lid
Starter set1 × insulated bottle, 750 ml, 1 × steel straw pack, 1 × spare bottle lid1380Steel straw pack

Where each part’s demand comes from

PartSold on its ownIn bottle and two spare lidsIn starter setTotal a day
Insulated bottle, 750 ml272130
Spare bottle lid4419
Steel straw pack5–16

A spreadsheet that only counts lids sold on their own sees 4 a day and orders less than half of what you need.

Overstock

Stock with more than 180 days of cover, or nothing sold in 90 days. $5,240 at cost, kept off the buy list until it sells down.

ProductUnitsAt costSold a dayDays of coverLast soldNext step
Travel mug, sage$4.10 each640$2,6240.41,60021 NovBundle it with the black mug, or mark it down 30%. It is off the buy list.
Bottle carry strap$1.10 each1,200$1,32026004 DecAdd one free to bottle orders over $60 until it is under 180 days.
Cold brew jar, 2 l$7.20 each180$1,296–No sales3 AugAsk the supplier about a return, or clear it at cost.

The sage mug includes 210 units at Amazon, where it also costs an aged surcharge. See the Amazon FBA tab.

Budget

Your buying plan by month: stock arriving, what you pay and when (deposits included), against the budget you set.

MonthForecast salesStock arriving, at costPaid to suppliersBudgetLeft
December$142,000$10,070$9,540$15,000$5,460
January$96,000$9,421$6,600$12,000$5,400
February$88,000$14,800$11,200$12,000$800
March$99,000$18,900$16,400$12,000−$4,400
April$103,000$12,300$10,900$12,000$1,100
May$108,000$11,700$11,000$12,000$1,000

March is $4,400 over budget.Spring stock for the 1 l bottle launch lands then. Move its second order to April, or raise March’s budget; the forecast shows what each choice does to stock.

Plan to a sales target

Set a target and Kerno shows the stock it takes. To reach $650,000 from December to May, 8% over the forecast, you’d buy about $8,400 more, mostly bottles and gift boxes, and pay $2,600 of it in March.

Kerno Forecast compared with the main alternatives.

FeatureKerno ForecastInventory PlannerNetstockPredikoFlieber
Forecast modelOne per product, picked by which forecast its last 12 months bestChoose a model per product, adjustablePicks from about 10 statistical methods for each productAI-assisted; model not namedBuilt on TimeGPT
Sold-out daysLeft out of demand, and the lost sales estimatedNot documentedOptional uplift for months with a stockout, set from 0 to 100%Not documentedNot documented
Lead timesFrom each supplier’s last 3 deliveries, not the quoteNot documentedMeasured from 3 or more past receipts, otherwise set by handNot documentedSet at setup
Why each quantityA plain reason on every lineForecast calculation visibleShows the policy and constraints behind each order quantityReviews call it a “black box”Not documented
Bundles and kitsEach part forecast from every bundle it sells inNot documentedComponent demand from bills of materialsBundles across locations; BOM add-on $20Yes
Purchase ordersDrafts by supplier, rounded to minimums and casesYes, with minimum-order scalingRecommended orders, rounded to minimums and multiples, sent to your ERPUnlimitedDrafts by supplier
Transfers between locationsSuggested only when cheaper than ordering moreYesDistribution plans and excess redistribution, as transfers in your ERPYesScenario analysis
Amazon FBARestock beside Amazon’s own, aged stock and storage limits, during early accessAmazon connectionNo Amazon or Shopify connection; works through your ERPAmazon connectionAmazon connection
Buying budgetBy month, with deposits paid when they’re due, during early accessBy month or retail weekNot documentedRevenue-target planningNot documented
OverstockCost, days of cover and a next stepLast sold, units and costExcess and obsolete stock flagged against your stock policyNot documentedAlerts
PriceFree during early access, then a founding price you keepQuote onlyFrom $900 a month, billed yearlyFrom $49 a month$299–$599 a month on the Shopify App Store

From each vendor’s website, pricing page and Shopify App Store listing, checked October and November 2026. “Not documented” means their pages don’t describe it.

Frequently asked questions

How much does Flieber cost?

Flieber's Shopify App Store listing shows Essentials at $299/month, Pro at $399/month and Max at $599/month, each with a 14-day free trial and annual options. Flieber's own pricing page doesn't publish prices and quotes after a demo, based on sales volume, channels and SKU count.

What is Flieber good at?

Planning across DTC, marketplaces and wholesale in one place, with kits and bundles, multi-warehouse recommendations and scenario analysis for purchase and transfer orders. Reviewers consistently praise its onboarding and support.

Who might prefer an alternative to Flieber?

Smaller Shopify brands for whom $299 a month is a lot, Amazon-first sellers who need FBA-specific tooling, and teams who want every recommended quantity explained step by step.

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