Liminary vs NotebookLM vs Stacks vs Constella

Which one fits you in 2026? Traffic, pricing, input → output, tasks and community side by side.

Your tool
Liminary
vs
Competitor 1
NotebookLM
Competitor 2
Stacks
Competitor 3
Constella
Compare
4 tools · best value per row highlighted
Your tool Liminary
liminary.io
Ever open a browser tab to find something you saved three months ago, only to spend ten minutes hunting through bookmarks
Remove
Competitor NotebookLM
notebooklm.google.com
Your docs, deeply understood
Make main Remove
Competitor Stacks
betterstacks.com
Stacks is a personal AI workspace that gathers what you find online into one searchable place.
Make main Remove
Competitor Constella
constella.app
Opening Constella drops you into a system that ditches the usual file cabinet metaphor entirely
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
23.3Kvisits/mo
159.8Mvisits/mo
6.3Kvisits/mo
7.4Kvisits/mo
MoM change
▼ 18.4%
▼ 26.8%
▼ 8.4%
▼ 2.5%
6-month growth
-10.4%
-14.7%
-50.8%
+67.1%
Global rank web
#1,028,276
—
#3,182,249
#1,944,958
Avg. last 3 months
24.3K
210.3M
6.1K
9.2K
Bounce rate lower is better
37%
32%
41%
35%
Pages / visit
2.0
5.0
1.7
5.0
Visit duration
51s
6m 32s
6s
1m 48s
Traffic sources
—
● Direct 81% · ● Referral 17%
—
—
LiminaryNotebookLMStacksConstella
063.2M126.5M189.7M253MLiminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4K1K10K100K1M10M100M1BLiminary · 37.2KLiminary · 16KLiminary · 26KLiminary · 18.1KLiminary · 28.2KLiminary · 21.2KLiminary · 28.5KLiminary · 23.3KNotebookLM · 121.9MNotebookLM · 141.5MNotebookLM · 177.5MNotebookLM · 187.3MNotebookLM · 222.2MNotebookLM · 247.4MNotebookLM · 253MNotebookLM · 218.2MNotebookLM · 159.8MStacks · 7KStacks · 12.2KStacks · 12.8KStacks · 8.7KStacks · 5.7KStacks · 5.1KStacks · 6.8KStacks · 6.3KConstella · 21.7KConstella · 9.6KConstella · 4.5KConstella · 3.7KConstella · 13.9KConstella · 12.4KConstella · 7.6KConstella · 7.4KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Freemium
Paid
Freemium
Starting price
$29per month · free tier available
$4.99per month · free tier available
$9per month
$5.99per month · free tier available
Free tier
–
Free trial
–
–
API access
–
–
–
–
Plans
Explorer FreePro $29/moTeam $50/mo
Free FreeGoogle AI Plus $4.99/moNotebookLM Pro (Google AI Pro) $19.99/moVia Google AI Ultra $99.99/mo
Be Productive $89/yrBe Collaborative $199/yrBe Creative $349/yr
Free FreeConstella Beta $5.99/yr
Capabilities input → output
Input
Web pagesTextDocuments
AudioWeb pagesTextDocuments
Web pagesTextDocuments
Web pagesTextDocuments
Output
Text
VideoTextAudio
Text
Text
Skill level
Intermediate
Beginner-friendly
Beginner-friendly
Intermediate
Categories
Education & LearningAI Knowledge Management
Productivity & OfficeResearch & AnalyticsVideo EditingVoice & Speech+5 more
Education & LearningProductivity & OfficeAI FilesAI Knowledge Management
Education & LearningAI Knowledge Management
Tasks what each tool can do · 1 shared · core   partial
Tasks covered
6
8
6
5
Note taking
Knowledge bases
–
Digital information management
–
Bookmarking
–
–
Research
–
–
Chrome extensions
–
–
Knowledge exploration
–
–
PDF analysis
–
–
–
Podcasts
–
–
–
Summarizing
–
–
–
Files
–
–
–
Productivity
–
–
–
Video summaries
–
–
–
Web search summaries
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 0
▲ 1
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
2
0
0
Verified listing
–
–
–
–

Traffic figures are third-party estimates for the tool's own domain; tools sharing a domain with a bigger product are not counted. Pricing is captured from each tool's site and may lag.