Get monthly newsletter intelligence — trends, top movers, new opportunities
Compare Newsletters
Compare subscriber growth and metrics across multiple newsletters
Select Newsletters to Compare
Selected (4 of 3)
Bits in Bio
3K subs
Maarten Boudry’s Substack
3K subs
TerraWatch Space Newsletter
3K subs
Sanity Unleashed
3K subs
Comparing up to 3 newsletters. Upgrade to compare more newsletters.
You can compare up to 3 newsletters on Explorer. Upgrade to compare more.
Upgrade to StarterTotal Subscribers
Competitive Map
X:
Y:
Size:
Bits in Bio
Maarten Boudry’s Substack
TerraWatch Space Newsletter
Sanity Unleashed
Side-by-Side Comparison
Bits in Bio
substackScience
Audience Size
Subscribers3K
Free Subscribers-
Paid Subscribers-
Paid Ratio-
Growth
Weekly Growth-
Engagement & Quality
Engagement Rate-
Quality Score0/100
Pub. Consistency0/100
Posts/Week-
Monetization
Monthly Price-
Annual Price-
Est. Revenue/mo-
Maarten Boudry’s Substack
substackScience
Audience Size
Subscribers3K
Free Subscribers-
Paid Subscribers-
Paid Ratio-
Growth
Weekly Growth-
Engagement & Quality
Engagement Rate0.90%
Quality Score56/100
Pub. Consistency0/100
Posts/Week0.1
Monetization
Monthly Price$7
Annual Price$65
Est. Revenue/mo-
TerraWatch Space Newsletter
ghostScience
Audience Size
Subscribers3K
Free Subscribers-
Paid Subscribers-
Paid Ratio-
Growth
Weekly Growth-
Engagement & Quality
Engagement Rate0.00%
Quality Score35/100
Pub. Consistency76/100
Posts/Week1.6
Monetization
Monthly Price$10
Annual Price$75
Est. Revenue/mo-
Sanity Unleashed
substackScience
Audience Size
Subscribers3K
Free Subscribers-
Paid Subscribers-
Paid Ratio-
Growth
Weekly Growth-
Engagement & Quality
Engagement Rate1.97%
Quality Score69/100
Pub. Consistency0/100
Posts/Week0.1
Monetization
Monthly Price-
Annual Price-
Est. Revenue/mo-
| Metric | Bits in Bio | Maarten Boudry’s Substack | | Sanity Unleashed |
|---|---|---|---|---|
| Audience Size | ||||
| Subscribers | 3K | 3K | 3K | 3K |
| Free Subscribers | - | - | - | - |
| Paid Subscribers | - | - | - | - |
| Paid Ratio | - | - | - | - |
| Growth | ||||
| Weekly Growth | - | - | - | - |
| Engagement & Quality | ||||
| Engagement Rate | - | 0.90% | 0.00% | 1.97% |
| Quality Score | 0/100 | 56/100 | 35/100 | 69/100 |
| Pub. Consistency | 0/100 | 0/100 | 76/100 | 0/100 |
| Posts/Week | - | 0.1 | 1.6 | 0.1 |
| Monetization | ||||
| Monthly Price | - | $7 | $10 | - |
| Annual Price | - | $65 | $75 | - |
| Est. Revenue/mo | - | - | - | - |
| Info | ||||
| Platform | substack | substack | ghost | substack |
| Category | Science | Science | Science | Science |