Sintra vs Backbuild
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Backbuild has the lower starting price: about $19 a month, against $39 for Sintra.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- 12 specialist AI helpers
- Brain AI shared memory
- Social media posting
- SEO and copywriting
- Email marketing
- Tool integrations
- AI Virtual Workers
- Mail at your own domain
- Accounting and finance
- Docs, sheets and slides
- Ticket queue
- Bring your own API keys
| Feature | Sintra | Backbuild |
|---|---|---|
| Best for | Team of 12 AI helpers for small-business marketing and admin | Business suite where AI Virtual Workers handle mail, books and support |
| Category | Agents & automation | Agents & automation |
| Pricing model | Paid | Freemium |
| Starting price | $39/mo | $19/mo |
| Free plan | No | Yes |
| Made by | Sintra | Backbuild |
| Based in | Lithuania | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Backbuild has the lower starting price: about $19 a month, against $39 for Sintra.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Single helper
$39/mo
- One AI helper of your choice
- Such as Soshie for social media
1-month plan
$97/mo, on sale at $48.50
- All 12 helpers
- 250 credits a month
- 15+ integrations
- 14-day money-back guarantee
3-month plan
$59/mo billed quarterly
- All 12 helpers
- 24/7 support
12-month plan
$52/mo billed yearly
- All 12 helpers
- 24/7 support
3 plans
Free
Free
- Teams up to 50 people
- Full accounting
- Back-office apps
Lite
$19/mo
- Per user
- Tools to get paid and grow
Pro
$49/mo
- Per user
- Selling and product-building tools
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Sintra
- No prompt-writing skills needed
- One memory shared across helpers
- Covers many routine business tasks
- No free plan, only a refund window
- Credits cap how much work gets done
- Pricing page leans on heavy discounts
Backbuild
- Free for teams up to 50
- Many business apps in one place
- Use your own AI keys if you prefer
- Worker usage costs credits
- Replacing many existing tools is a big move
- Newer product with a broad scope
Which one should you choose?
Choose Sintra if you want:
- No prompt-writing skills needed
- One memory shared across helpers
- Covers many routine business tasks
Watch out: no free plan, only a refund window.
Choose Backbuild if you want:
- Free for teams up to 50
- Many business apps in one place
- Use your own AI keys if you prefer
Watch out: worker usage costs credits.
Sintra vs Backbuild FAQ
What is the difference between Sintra and Backbuild?
Sintra: Team of 12 AI helpers for small-business marketing and admin. Backbuild: Business suite where AI Virtual Workers handle mail, books and support. Both are agents & automation tools.
Is Sintra or Backbuild cheaper?
Backbuild has the lower starting price: about $19 a month, against $39 for Sintra.
Do Sintra and Backbuild have free plans?
Sintra: No. Backbuild: Yes.
Who makes Sintra?
Sintra is made by Sintra, based in Lithuania.
Who makes Backbuild?
Backbuild is made by Backbuild.
Which should I choose, Sintra or Backbuild?
Choose Sintra if you value no prompt-writing skills needed and one memory shared across helpers. Choose Backbuild if you value free for teams up to 50 and many business apps in one place.