SpyFu vs Sudowrite — Pricing, Plans, and Verified Costs (2026)
SpyFu starts at $39/mo. Sudowrite starts at $10/mo. Sudowrite is $29/mo cheaper on the entry tier than SpyFu.
Competitive keyword research tool positioned as the alternative to Semrush (now Adobe) and Ahrefs for teams focused on competitor teardowns ("what's my rival spending on PPC?"). Distinctive for its unlimited-search pricing at flat rates — Semrush caps searches per day at cheaper tiers. Priced $16-$36/mo (annual). Bootstrapped, popular with agencies pitching new clients using competitive-intel decks. Weaker on Google Search Console-caliber content SEO than Ahrefs.
AI writing assistant built specifically for fiction authors. Pricing: Hobby $10/mo (30K credits), Professional $22/mo (90K credits), Max $44/mo (300K credits + latest models). Popular with novelists, screenwriters, and story-heavy content creators who want an AI writing partner instead of a marketing generator.
All plans compared
| Tier role | Plan | SpyFu monthly | SpyFu annual | Sudowrite monthly | Sudowrite annual |
|---|---|---|---|---|---|
| Entry paid | Basic / Hobby | $39 | $29 | $10 | $10 |
| Mid tier | — / Professional | — | — | $22 | $22 |
| Pro / power | Pro + AI / Max | $119 | $89 | $44 | $44 |
| Teams | Team / — | $249 | $187 | — | — |
Tier names differ across vendors. Rows are aligned by tier role, not name. Full tier structures on each tool's page.
What each is best for
SpyFu is worth it if… marketing agencies and in-house teams focused on competitor SEO/PPC intelligence — particularly if you want to reverse-engineer competitor keyword bids, ad copy, and organic strategy over time. Pro + AI covers most needs; Team adds more users and data.
Sudowrite is worth it if… fiction authors who want an AI writing partner that understands narrative structure, character voice, and creative rewriting — not marketing copy. Hobby at $10/mo suits casual writers; Professional at $22/mo is where serious novelists live; Max at $44/mo unlocks the latest models.
Bottom line: Choose based on how you want to pay — SpyFu is flat rate, Sudowrite is tiered.
Choose SpyFu over Sudowrite if…
Choose SpyFu if…
- You want fixed-price predictability (flat rate, from $39/mo).
- You match the profile SpyFu is built for: marketing agencies and in-house teams focused on competitor SEO/PPC intelligence — particularly if you want to reverse-engineer competitor keyword bids, ad copy, and organic strategy over time.
- You need a general-purpose marketing & email option rather than a vertical-specific one.
Choose Sudowrite if…
- You want fixed-price predictability (tiered, from $10/mo).
- You match the profile Sudowrite is built for: fiction authors who want an AI writing partner that understands narrative structure, character voice, and creative rewriting — not marketing copy.
- You need a general-purpose marketing & email option rather than a vertical-specific one.
At a glance
| SpyFu | Sudowrite | |
|---|---|---|
| Free plan | No | No |
| Entry price | $39/mo | $10/mo |
| Enterprise available | No | No |
| Pricing model | Flat Rate | Tiered |
| Verification | Checked September 23, 2026 | Pricing under review |
| Full pricing | View full pricing | View full pricing |
Pricing last verified September 23, 2026. Tracked daily.