Frase vs Koala AI vs WriterZen vs Otto SEO

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

Your tool
Frase
vs
Competitor 1
Koala AI
Competitor 2
WriterZen
Competitor 3
Otto SEO
Compare
4 tools · best value per row highlighted
Your tool Frase
frase.io
Content briefs and optimization for SEO writers
Remove
Competitor Koala AI
koala.sh
Koala AI is an AI SEO platform that pairs an SEO agent with KoalaWriter, an article generator that drafts on-brand content and publishes it to your CMS in one click.
Make main Remove
Competitor WriterZen
writerzen.net
Make main Remove
Competitor Otto SEO
searchatlas.com
Make main Remove
Traffic estimated monthly website traffic
Monthly visits
140.5Kvisits/mo
—
28.4Kvisits/mo
213.7Kvisits/mo
MoM change
▼ 10.5%
—
▼ 24.1%
▲ 9.1%
6-month growth
-14.9%
—
-53.9%
-25.0%
Global rank web
#251,061
—
#712,363
#177,467
Avg. last 3 months
148.7K
—
35.9K
212.8K
Bounce rate lower is better
38%
—
29%
38%
Pages / visit
2.8
—
4.5
3.9
Visit duration
1m 44s
—
4m 53s
2m 48s
Traffic sources
● Direct 85% · ● Referral 12%
—
● Direct 98% · ● Referral 2%
● Direct 85% · ● Referral 9%
FraseKoala AIWriterZenOtto SEO
086.6K173.2K259.8K346.3KFrase · 120.2KFrase · 170.8KFrase · 152.2KFrase · 159KFrase · 165.1KFrase · 147.4KFrase · 149.9KFrase · 148.3KFrase · 157.1KFrase · 140.5KWriterZen · 40.6KWriterZen · 43.2KWriterZen · 55.5KWriterZen · 56KWriterZen · 61.7KWriterZen · 66.2KWriterZen · 81.1KWriterZen · 41.9KWriterZen · 37.4KWriterZen · 28.4KOtto SEO · 291.3KOtto SEO · 268.2KOtto SEO · 239KOtto SEO · 284.8KOtto SEO · 333.1KOtto SEO · 346.3KOtto SEO · 228.8KOtto SEO · 195.9KOtto SEO · 213.7K10K100K1MFrase · 120.2KFrase · 170.8KFrase · 152.2KFrase · 159KFrase · 165.1KFrase · 147.4KFrase · 149.9KFrase · 148.3KFrase · 157.1KFrase · 140.5KWriterZen · 40.6KWriterZen · 43.2KWriterZen · 55.5KWriterZen · 56KWriterZen · 61.7KWriterZen · 66.2KWriterZen · 81.1KWriterZen · 41.9KWriterZen · 37.4KWriterZen · 28.4KOtto SEO · 291.3KOtto SEO · 268.2KOtto SEO · 239KOtto SEO · 284.8KOtto SEO · 333.1KOtto SEO · 346.3KOtto SEO · 228.8KOtto SEO · 195.9KOtto SEO · 213.7KNov '25DecJan '26FebMarAprMayJunJulAug
Pricing
Model
Freemium
Paid
Freemium
Freemium
Starting price
$39per month
$25per month
$135per month
$79per month
Free tier
–
–
–
–
Free trial
API access
–
–
–
Plans
Starter $39/moProfessional $103/moScale $239/moEnterprise Custom
Starter $25/moProfessional $49/moBoost $99/moGrowth $179/mo+5 more
Keyword Research $135All-In-One Basic $270All-In-One Advanced $405
Starter $79/moGrowth $159/moPro $319/moAgency $999/mo
Capabilities input → output
Input
TextWeb pages
TextWeb pages
Text
Web pages
Output
Text
ImagesText
DataText
DataText
Skill level
Intermediate
Intermediate
Beginner-friendly
Beginner-friendly
Categories
Business & MarketingWriting & ContentAI SEO ToolsSEO Writing AI
Business & MarketingWriting & ContentAI Blog GeneratorAI SEO Tools+1 more
AI Detection & SafetyBusiness & MarketingWriting & ContentAI Plagiarism Checker+2 more
Business & MarketingWriting & ContentAI Ad GeneratorAI SEO Tools+1 more
Tasks what each tool can do · 2 shared · core   partial
Tasks covered
12
14
7
6
SEO
SEO writing
SEO analysis
–
SEO ranking
–
SEO recommendations
–
SEO keywords
–
–
Content
–
–
Topic generation
–
–
Writing
–
–
Article writing
–
–
–
Keyword research
–
–
–
SEO blog creation
–
–
–
SEO content
–
–
–
SEO content briefs
–
–
–
SERP analysis
–
–
–
Agents
–
–
–
Blog automation
–
–
–
Plagiarism detection
–
–
–
Website audit
–
–
–
Backlinks
–
–
–
Content strategy
–
–
–
Content-to-newsletter
–
–
–
On page SEO
–
–
–
Community on aitoolstime
Rating
no ratings yet
no ratings yet
no ratings yet
no ratings yet
Upvotes
▲ 1
▲ 0
▲ 0
▲ 0
Saves
0
0
0
0
Reviews
0
0
0
0
Prompts
0
0
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.