Sinfully vs Kupid AI (2026)
Insights | Updated on 27 October 2026
By Sinfully
A companion app with chat, photos, short videos and voice messages, sold in weekly, yearly and lifetime plans. Here's how it compares with Sinfully, fact by fact, from its own pages and ours.
We make Sinfully. Nobody paid to be here and we earn nothing from these links. What we say about each site comes from its own pages, with the date we read them.
Side by side
| Feature | Sinfully | Kupid AI |
|---|---|---|
| Paid plans | Premium $19.99 a month or $109.99 a year, with 8,000 Sins a month; Ultimate $39.99 a month, with 15,000 Sins (USD) | Pro €12.99 a week, or €3.44 a week paid yearly; Ultra €24.99 a week, or €5.75 a week paid yearly; Lifetime €777; nothing renews |
| Free to try | 5 free messages in total, and 150 Sins for photos when you sign up | 15 messages and one character of your own |
| Chat before signing up | Yes: the 5 free messages work without an account | Not checked |
| Photos | She sends photos in chat; 50 Sins to unlock one | 25 a week on Pro, 75 on Ultra |
| Video | Short clips made from her photos, 600 Sins each | 8 a week on Pro, 25 on Ultra |
| Voice | Her replies read aloud in her own voice; free on paid plans | Voice messages: 12 minutes a week on Pro, 35 on Ultra |
| Make your own | Private companions of your own: the first is free | 1 of your own free, up to 8 on Ultra |
From their own pages on 27 October 2026 (seen from the Netherlands): Kupid AI's plans page ↗
Where Kupid AI may suit you better
- •Plans that don't renew by themselves
- •A lifetime plan
- •Weekly allowances of photos, videos and voice
Where Sinfully is different
- ✓Prices and plans are shown before you sign up, with the full amount billed
- ✓Chat memory you can read, correct and delete
- ✓Cancel and delete your account yourself, in settings
- ✓Every companion is a reviewed, fictional adult, with no real-person likeness
How we compared
We read each site's own public pages on the date shown beside it, without paying, and wrote down what it offers and charges. Where we didn't see something, it says Not checked. Prices change and can depend on your country, so check the site itself before you pay. We didn't test paid features, and we don't score or rank anyone.
Questions
Is Sinfully cheaper than Kupid AI?
It depends on the plan and your country. Sinfully: Premium $19.99 a month or $109.99 a year, with 8,000 Sins a month; Ultimate $39.99 a month, with 15,000 Sins (USD). Kupid AI: Pro €12.99 a week, or €3.44 a week paid yearly; Ultra €24.99 a week, or €5.75 a week paid yearly; Lifetime €777; nothing renews, on 27 October 2026. Check both before paying.
Can I try Sinfully without an account?
Yes: the 5 free messages work without an account
Are Sinfully's companions real people?
No. Every Sinfully companion is a fictional adult character, created as 21 or older, with no real-person likeness, and every photo and video is AI-generated.