Head to head
Missinglettr vs SocialBu
Last updated 4 June 2026
Missinglettr does one unusual thing: point it at a blog post and it generates a year-long drip campaign of social posts, complete with pulled quotes, hashtags, and images, then publishes them on a schedule. It's a content-repurposing tool for bloggers more than a general scheduler.
- From
- $9 /mo
- Free plan
SocialBu is an affordable, automation-leaning scheduler covering twelve networks. Alongside the usual scheduling it does RSS auto-posting, webhooks, and auto-replies, plus AI content, a social inbox, and listening on the higher plans.
- From
- $16 /mo
- Free plan
Bottom line
Missinglettr is the pick for bloggers and content marketers repurposing articles into social posts, and it's the cheaper start, from $9 a month. SocialBu fits small businesses and agencies who want scheduling plus automation better, and it reaches Threads and TikTok among others, which Missinglettr doesn't.
Missinglettr starts cheaper, $9 a month against $16 a month for SocialBu. SocialBu adds social listening and social inbox that Missinglettr leaves out.
Key differences
Where the two actually diverge, before the full tables.
- Missinglettr starts at $9 a month, SocialBu at $16 a month.
- Missinglettr posts to 6 networks, SocialBu to 12.
- Only SocialBu reaches TikTok, YouTube, Threads, Bluesky, Mastodon, and Reddit.
- SocialBu has social listening; Missinglettr doesn't.
- SocialBu has social inbox; Missinglettr doesn't.
Features compared
| Feature | Missinglettr | SocialBu |
|---|---|---|
| AI captions | Yes | Yes |
| Basic analytics | Yes | Yes |
| Advanced reports | Yes | Yes |
| Bulk upload | Not assessed | Yes |
| Evergreen recycling | Yes | Partial |
| Team roles | Yes | Yes |
| Approvals | Not assessed | Yes |
| Link in bio | Not assessed | Not assessed |
Platforms compared
| Network | Missinglettr | SocialBu |
|---|---|---|
| Auto | Auto | |
| Auto | Auto | |
| X (Twitter) | Auto | Auto |
| Auto | Auto | |
| TikTok | No | Auto |
| Auto | Auto | |
| YouTube | No | Auto |
| Threads | No | Auto |
| Bluesky | No | Auto |
| Google Business | Auto | Auto |
| Mastodon | No | Auto |
| No | Auto |
Pricing
Headline prices are for a single unit. Here is the real monthly cost as each tool scales, costed on its own unit so the two stay honest.
Free plan available.
- Cheapest paid plan
- $9/mo
Whole-plan price; it doesn't scale per unit.
Free plan available.
- Cheapest paid plan
- $16/mo
Whole-plan price; it doesn't scale per unit.
Missinglettr
Free
- Seats
- 1
- Accounts
- 1
- Scheduled posts
- 50
- 1 workspace, 1 social profile
- 50 scheduled posts a month
- Blog-to-social drip campaigns, basic analytics
Solo
$9/mo billed annually
- Seats
- 1
- Accounts
- 3
- Scheduled posts
- 500
- $15/mo, $9 on annual ($108/yr)
- 1 workspace, 3 social profiles, 500 posts a month
- Content curation and AI writing assistance
Pro
Popular$39/mo billed annually
- Accounts
- 9
- Scheduled posts
- Unlimited
- $59/mo, $39 on annual ($468/yr)
- 3 workspaces, 9 social profiles, unlimited posts
- Team collaboration, advanced analytics, priority support
- Flat, quota-bundled plans by workspaces and social profiles. There's a genuine free plan (1 profile, 50 posts a month).
- Annual billing saves about 40%: Solo works out to $9 a month and Pro to $39.
- Missinglettr is built for repurposing blog content, not full social management, so the plans are sized around campaigns and profiles rather than deep team or agency features.
- Prices are USD from current listings; the Missinglettr site was unreachable when checked, so figures were taken from third-party 2026 listings.
SocialBu
Free
- Seats
- 1
- Accounts
- 3
- Scheduled posts
- 10
- 3 social accounts
- 10 lifetime posts
- For trying SocialBu out
Standard
$16/mo billed annually
- Seats
- 4
- Accounts
- 12
- Scheduled posts
- 800
- $19/mo, $16 on annual
- 12 social accounts, up to 4 team members, 800 posts a month
- Automations, bulk import, visual calendar, AI content
Super
Popular$49/mo billed annually
- Seats
- 8
- Accounts
- 30
- Scheduled posts
- Unlimited
- $59/mo, $49 on annual
- 30 social accounts, up to 8 team members, unlimited posts
- Adds analytics, approval workflows, social listening, more automations and AI
Supreme
$166/mo billed annually
- Seats
- 20
- Accounts
- 150
- Scheduled posts
- Unlimited
- $199/mo, $166 on annual
- 150 social accounts, up to 20 team members
- 400 automations, advanced reporting, more listening and AI credits
- Flat, quota-bundled plans by social accounts and team members, plus a free plan (3 accounts, 10 lifetime posts).
- Annual billing is about 16% cheaper. Every paid plan has a 7-day trial.
- AI content credits, automations, and listening streams are metered and scale with the plan (for example listening starts on Super).
- Custom plans are available for agencies and large teams.
- Prices are USD, read off the live pricing page.
Pros and cons
Missinglettr
- Turns each blog post into a year-long drip campaign automatically
- Pre-fills posts with quotes, hashtags, and images for approval
- Content curation community for fresh material
- Free plan and a cheap Solo tier
- Narrow: a repurposing tool, not a full scheduler
- Only six networks; no TikTok, YouTube, Threads, or Bluesky
- No comment inbox or social listening
- Lighter team and agency features
SocialBu
- Real automation: RSS, webhooks, and auto-replies
- AI content and image generation plus a social inbox with reviews
- Twelve networks, including Reddit, Mastodon, and Bluesky
- Affordable, with a free plan and a clear annual discount
- Listening and richer automations are on the higher plans
- Recycling is automation-based, not a category engine
- Lightly documented company
- Standard caps monthly posts at 800
Missinglettr vs SocialBu: FAQ
- Is Missinglettr or SocialBu cheaper?
- Missinglettr is cheaper to start, from $9 against $16 for SocialBu. The unit each one charges by differs, so the real bill depends on how many channels or seats you run.
- Does Missinglettr or SocialBu have a free plan?
- Both have a free plan, so you can try either one before paying.
- Which is better, Missinglettr or SocialBu?
- Missinglettr is the stronger pick for bloggers and content marketers repurposing articles into social posts, while SocialBu is the better fit for small businesses and agencies who want scheduling plus automation. We don't score them; the right call comes down to how you post.