The Five-Tool Content Stack
A content marketing engine needs five layers: SEO research (what to write), editing (write it well), planning (organize the calendar), distribution (social media), and newsletter (own your audience).
SEO Research: Semrush vs Mangools
| Feature | Semrush Pro | Mangools Basic |
|---|---|---|
| Monthly price | $139.95/mo | $49.90/mo |
| Annual price | $116.62/mo ($1,399.40/yr) | $29.99/mo ($359.88/yr) |
| Keyword database | 25B+ keywords | Smaller database |
| Keyword tracking | 500 keywords | 200 tracked keywords |
| Competitive analysis | Deep: PPC, backlinks, traffic estimates | Basic SERP analysis only |
| Best for | Agencies, enterprise content teams | Bloggers, freelancers, small businesses |
For the $150 budget: Choose Mangools Basic at $49.90/mo. If you need competitive intelligence, Semrush Pro at $139.95/mo consumes nearly the entire budget alone.
Editing: Grammarly
| Plan | Price | Features |
|---|---|---|
| Free | $0 | Basic grammar/spelling, tone detection, 100 AI prompts/mo |
| Pro | $30/mo (monthly) • $12/mo (annual) | Advanced rewrites, plagiarism detection, 2,000 AI prompts/mo |
Grammarly Free is sufficient for most content marketers. Upgrade to Pro ($12/mo annual) only if you need plagiarism checking or advanced AI rewrites.
Content Planning: Notion
Use Notion as a content calendar, brief database, and writing workspace. The Free plan works for solo operators. Notion Plus at $12/user/mo adds custom automations for publishing workflows and 30-day version history.
For a solo content marketer, Notion Free ($0) handles everything you need. Teams should budget $12/user/mo for Plus.
Social Distribution: Buffer
| Plan | Price | Channels & Limits |
|---|---|---|
| Free | $0 | 3 channels, 10 posts per channel, 1 user |
| Essentials | $6/channel/mo ($5 annual) | Unlimited posts, engagement tools, 30-day analytics |
| Team | $12/channel/mo ($10 annual) | Unlimited users, approval workflows |
With 5 social channels on Essentials, you pay $30/mo ($25 annual). Buffer Free works if you only manage 3 channels with 10 scheduled posts each.
Newsletter: beehiiv
| Plan | Price | Limits |
|---|---|---|
| Launch (Free) | $0 | 2,500 subscribers, unlimited sends, custom domain |
| Scale | $49/mo ($43/mo annual) | Unlimited subscribers, ad network, referral program |
| Max | $109/mo ($96/mo annual) | Priority support, API access, advanced analytics |
Total Stack: Under $150/Month
| Tool | Plan | Monthly Cost |
|---|---|---|
| Mangools | Basic | $49.90 |
| Grammarly | Free | $0 |
| Notion | Free | $0 |
| Buffer | Essentials (5 channels) | $30 |
| beehiiv | Scale | $49 |
| Total | $128.90/mo | |
The $0 version (Mangools Entry at $29.90 + all free tiers) brings it down to $29.90/mo. Scale up to beehiiv Scale and Buffer Essentials as your audience grows.