kitio.aiSynthesys vs Promptify
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Synthesys has the lower starting price: about $29 a month, against $149 for Promptify.
At a glance
Best for
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Prompt-to-video agent
- UGC and product ads
- AI avatars and voices
- AI dubbing
- Ads recreated from a URL
- Scheduled autopilot videos
- Hook and script writing
- AI avatar video ads
- Voiceover and captions
- 38 languages
- A/B variant packs
- API access
| Feature | Synthesys | Promptify |
|---|---|---|
| Best for | AI video agent that makes ads, UGC and commercials from a prompt | Makes UGC-style video ads with AI avatars from a product description |
| Category | Video | Video |
| Pricing model | Paid | Freemium |
| Starting price | $29/mo | $149/mo |
| Free plan | No | Yes |
| Made by | Synthesys | Promptify |
| Based in | – | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Synthesys has the lower starting price: about $29 a month, against $149 for Promptify.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Starter
$29/mo
- 3,500 credits per month
- 1 autopilot worker
- 1 seat
Pro
$59/mo
- 8,000 credits per month
- 3 autopilot workers
- 2 seats
Agency
$119/mo
- 17,000 credits per month
- 10 autopilot workers
- 3 seats
Max
$199/mo
- From 30,000 credits per month
- 5 to 15 seats
- Dedicated account manager
4 plans
Free
Free
- 3 scripts with 10 hooks each
- 20 copilot messages a day
- Demo ad
Creator
$149/mo
- 12 rendered ads per month
- All 38 languages
- Own photo or AI avatar
Pro
$299/mo
- 30 rendered ads per month
- A/B variant packs
- Custom branding
Agency
$799/mo
- 100 rendered ads per month
- Multi-brand workspaces
- API and white-label export
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
Synthesys
- Many ad formats from one brief
- Commercial rights on every plan
- Scheduled video production
- No free plan shown
- Starter credits cover about 8 UGC ads
- Single seat on Starter
Promptify
- Script to finished ad in one tool
- Many languages for voice and captions
- Pay-per-ad option without a plan
- Monthly plans start at $149
- Free tier only writes scripts
- Avatar ads can look synthetic
Which one should you choose?
Choose Synthesys if you want:
- Many ad formats from one brief
- Commercial rights on every plan
- Scheduled video production
Watch out: no free plan shown.
Choose Promptify if you want:
- Script to finished ad in one tool
- Many languages for voice and captions
- Pay-per-ad option without a plan
Watch out: monthly plans start at $149.
Synthesys vs Promptify FAQ
What is the difference between Synthesys and Promptify?
Synthesys: AI video agent that makes ads, UGC and commercials from a prompt. Promptify: Makes UGC-style video ads with AI avatars from a product description. Both are video tools.
Is Synthesys or Promptify cheaper?
Synthesys has the lower starting price: about $29 a month, against $149 for Promptify.
Do Synthesys and Promptify have free plans?
Synthesys: No. Promptify: Yes.
Who makes Synthesys?
Synthesys is made by Synthesys.
Who makes Promptify?
Promptify is made by Promptify.
Which should I choose, Synthesys or Promptify?
Choose Synthesys if you value many ad formats from one brief and commercial rights on every plan. Choose Promptify if you value script to finished ad in one tool and many languages for voice and captions.