Free inFlow Inventory alternatives: 5 apps ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

5 of the 7 inFlow Inventory alternatives we track can be used for free (free, open source, or with a free plan). Zoho Inventory, Sortly and ERPNext rank highest, with facts last verified Nov 8, 2026.

Quick comparison

#	App	Pricing	Verified price	Open source	Platforms	Verified facts	Score
1	Zoho Inventory	Free plan + paid	—	No	Web, iOS, Android	4 of 4	68.8
2	Sortly	Free plan + paid	$24 a month, billed annually ($288/yr)	No	Web, iOS, Android	7 of 7	64.8
3	ERPNext	Open source	—	Yes	Web, Self-hosted	4 of 4	51.2
4	QuickBooks Online	Free plan + paid	$38/month (Simple Start, 1 user); 50% off first 3 months	No	Web, iOS, Android	9 of 9	50.0
5	Katana	Free plan + paid	—	No	Web	6 of 6	42.3

1. Zoho InventoryTop pick
Best for: Small multichannel sellers who want stock synced with Amazon, Shopify and their accounting
Free plan + paidWeb, iOS, Android
68.8
score / 100
Why switch from inFlow Inventory
Free plan and marketplace syncing with Amazon and Etsy, plus Zoho's accounting.
Pros
Free plan for very small sellers
Syncs stock with Amazon, Etsy, Shopify and WooCommerce
Works closely with Zoho Books and also QuickBooks and Xero
Cons
Order caps on each plan push busy sellers to higher tiers
Serial, batch and barcode features need Premium or above
Limited manufacturing features compared with Cin7 or Katana
Visit Zoho Inventory Details and reviews
How this score is calculated
Editorial fit ×0.3100
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Zoho Inventory a good inFlow Inventory alternative?
Verified facts
4 of 4 verified
Free plan
50 orders/month, 1 user
Checked Nov 8, 2026zoho.com(opens source in a new tab)
Marketplace sync
Amazon, Etsy
Checked Nov 8, 2026zoho.com(opens source in a new tab)
Accounting integrations
Zoho Books, Xero, QuickBooks Online
Checked Nov 8, 2026zoho.com(opens source in a new tab)
Shipping
UPS to 200 countries from inside the app
Checked Nov 8, 2026zoho.com(opens source in a new tab)
2. Sortly
Best for: Small teams tracking stock, tools or equipment from their phones
Free plan + paidWeb, iOS, Android
64.8
score / 100
Why switch from inFlow Inventory
Simpler mobile stock tracking for teams that don't need orders or manufacturing.
Pros
Very easy to set up with photos and folders
Barcode and QR scanning with a phone camera
Free plan for up to 100 items
Cons
Paid plans are priced by item count, which grows fast
Purchase orders only on higher plans
No sales-channel or marketplace order syncing
Visit Sortly Details and reviews
How this score is calculated
Editorial fit ×0.387
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Sortly a good inFlow Inventory alternative?
Verified facts
7 of 7 verified
Free plan
Yes, up to 100 unique items
Checked Nov 8, 2026sortly.com(opens source in a new tab)
Free trial
14 days on all paid plans
Checked Nov 8, 2026sortly.com(opens source in a new tab)
Barcode scanning
In-app with a smartphone
Checked Nov 8, 2026sortly.com(opens source in a new tab)
Check-in/check-out
Yes
Checked Nov 8, 2026sortly.com(opens source in a new tab)
Starting price
$24 a month, billed annually ($288/yr)
Checked Nov 8, 2026sortly.com(opens source in a new tab)
Ultra plan
$74 a month, billed annually ($888/yr)
Checked Nov 8, 2026sortly.com(opens source in a new tab)
Premium plan
$149 a month, billed annually ($1,788/yr)
Checked Nov 8, 2026sortly.com(opens source in a new tab)
3. ERPNext
Best for: Small and mid-sized companies that want accounting tied to inventory and operations without licence fees
Open sourceSelf-hostableWeb, Self-hosted
51.2
score / 100
Why switch from inFlow Inventory
Open-source ERP with stock, manufacturing and accounting at no licence cost.
Pros
All modules free under GPL-3.0
Accounting shares one database with stock, sales and HR
Choice of self-hosting or managed Frappe Cloud
Cons
Overkill for freelancers and very small businesses
Implementation takes time or a partner
Fewer accountants know it than mainstream tools
Visit ERPNext Details and reviews
How this score is calculated
Editorial fit ×0.341
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is ERPNext a good inFlow Inventory alternative?
Verified facts
4 of 4 verified
License
GPL-3.0
Checked Nov 8, 2026github.com(opens source in a new tab)
Price
Free and open source; you pay for hosting
Checked Nov 8, 2026frappe.io(opens source in a new tab)
Managed hosting
From $5/month
Checked Nov 8, 2026frappe.io(opens source in a new tab)
Current version
v16
Checked Nov 8, 2026frappe.io(opens source in a new tab)
4. QuickBooks Online
Best for: US small businesses that work with an accountant and want the most widely supported tool
Free plan + paidWeb, iOS, Android
50.0
score / 100
Why switch from inFlow Inventory
Its Plus and Advanced plans track inventory quantities inside the accounting app, enough for simple stock needs.
Pros
Almost every US accountant and bookkeeper knows it
Large integration catalogue plus payroll and payments add-ons
Scales from a sole trader to a mid-sized company on one product
Cons
Prices have risen repeatedly and add-ons add up
Free tier is limited to one user and basic tracking
Support quality is a frequent complaint
Visit QuickBooks Online Details and reviews
How this score is calculated
Editorial fit ×0.338
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is QuickBooks Online a good inFlow Inventory alternative?
Verified facts
9 of 9 verified
Free plan
Yes, 1 user
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Simple Start price
$38/month (regular price)
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Free trial
30 days
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Integrations
800+
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Mobile apps
iOS and Android
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Starting price
$38/month (Simple Start, 1 user); 50% off first 3 months
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Essentials plan
$85/month (3 users)
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Plus plan
$140/month (5 users)
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
Advanced plan
$340/month (25 users)
Checked Nov 8, 2026quickbooks.intuit.com(opens source in a new tab)
5. Katana
Best for: Small manufacturers and DTC makers who need BOMs, production planning and Shopify-synced stock
Free plan + paidWeb
42.3
score / 100
Why switch from inFlow Inventory
Deeper manufacturing planning than kit assembly, with Shopify sync and a free starter plan.
Pros
Free plan with every feature and unlimited users (30 SKUs)
Multi-level BOMs, work orders and a shop-floor app
Shopify, QuickBooks Online and Xero integrations
Open API plus an MCP server for AI assistants
Cons
Free plan caps you at 30 SKUs after the first 15 days
Paid plan is quote-only with no public price
Only Shopify connects on the free plan for e-commerce
Visit Katana Details and reviews
How this score is calculated
Editorial fit ×0.312
Reviews ×0.363
Clicks (90 days) ×0.150
Freshness ×0.15100
Votes ×0.150
0 counted reviews, 0 up and 0 down votes. Full formula
Is Katana a good inFlow Inventory alternative?
Verified facts
6 of 6 verified
Free plan
Yes, $0 for up to 30 SKUs
Checked Nov 8, 2026katanamrp.com(opens source in a new tab)
Users
Unlimited
Checked Nov 8, 2026katanamrp.com(opens source in a new tab)
API
Yes, plus MCP server
Checked Nov 8, 2026katanamrp.com(opens source in a new tab)
Paid plan
Advantage, custom pricing
Checked Nov 8, 2026katanamrp.com(opens source in a new tab)
Free plan price
$0, no card required
Checked Nov 8, 2026katanamrp.com(opens source in a new tab)
Advantage plan
Custom annual contract
Checked Nov 8, 2026katanamrp.com(opens source in a new tab)

Quick comparison

1. Zoho InventoryTop pick

Pros

Cons

Verified facts

2. Sortly

Pros

Cons

Verified facts

3. ERPNext

Pros

Cons

Verified facts

4. QuickBooks Online

Pros

Cons

Verified facts

5. Katana

Pros

Cons

Verified facts