SoulFun
#57 on the ranking
SoulFun is a 2024 success that has lost nine-tenths of its audience, and after a month with it I understand both halves of that sentence.
Read my full SoulFun analysis →AI girlfriend sites side by side · Both tested first-hand · Data through September 2026
vs
I bought a membership on both and tested each for a month. What they offer, their measured numbers and what their users say, next to each other, with my verdict on each at the end.
The scoreboard
NextPart AI leads on 3 of the 4 figures that decide most choices.
In short
| What they offer | ||
|---|---|---|
| Free tier | ▲Yes | No |
| Entry paid plan | Free | $9.99/mo |
| Adult content | Allowed on paid plans | Allowed on paid plans |
| Features |
|
|
| Best for | Users wanting a complete companion package, voice, mobile, memory, and NSFW, with crypto privacy | Users wanting balanced anime/realistic designs, voice messaging, privacy-friendly crypto payments, and competitive pricing |
| Not for | Users on a budget or those who primarily need image generation quality | Users requiring a native mobile app, free trial access, real-time video calls, or an affiliate program |
| Operator | Not disclosed: the terms, privacy policy and subscription terms name only 'SoulFun' and the copyright line reads 'SoulFun.ai', with no company name or address | Not disclosed on the site or in any source I read; support runs through support@nextpart.ai and a Discord, and the domain was registered through Namecheap in December 2023 |
| Pricing notes | Free 30-day unlimited text-only trial (no photos, voice, or video), then $19.99/month, or $119.99/year (about $9.99/month). iOS and Android available. Crypto accepted (BTC, USDT). | Monthly: $9.99, $19.99. Yearly: $83.88, $155.88. Confirmed still accurate. Crypto accepted. No free tier. The top Deluxe tier now also includes a beta character video generation feature. |
My take
If you want to try before you pay, SoulFun lets you: NextPart AI asks for a card first. A free tier is a sampler, not a plan, but it tells you whether the chat suits you before money moves. NextPart AI simply does more: customizable anime and realistic characters, nsfw chat with adaptive tone matching and nsfw image generation are on its list and not on SoulFun's. More features is only better if you will use them.
| The numbers | ||
|---|---|---|
| Rank on this siteOn the combined data gathered for every site | #57 | ▲#51 |
| Google US rank, “ai girlfriend”DataForSEO ranked keywords, September 2026 | – | – |
| Tranco rank, all domainsAll-traffic rank among the top million domains | #2,844,901 | ▲#680,568 |
| Chrome UX tierGoogle Chrome UX Report | – | Top 1,000,000 |
| Search visits a month, worldwideDataForSEO estimate | 2,207 | ▲3,503 |
| Search visits a month, US | 1,237 | ▲2,306 |
| Brand searches a month, USGoogle Ads data via DataForSEO | 260 | ▲880 |
| Domain RatingDomain Rating by Ahrefs, out of 100 | ▲48 | 38 |
| Referring domains | 967 | ▲2,016 |
| Backlinks | ▲78,291 | 47,890 |
| Domain registered | December 2023 | December 2023 |
| Public record I read | 3 videos, 4 Reddit threads, 0 articles | 0 videos, 2 Reddit threads, 0 articles |
The better value in each row is marked in green. Search visits and brand searches are DataForSEO estimates; Tranco and Chrome UX tiers are ranks, not visit counts.
My take
None of these ranks in the tracked positions for "ai girlfriend", so their places on this site come from all-traffic rank, and their visitors arrive by name, by ads or from app stores rather than from the category search. On size, NextPart AI is the busier site: 3,503 search visits a month worldwide, about half as much again what SoulFun gets (2,207). These are estimates of visits from Google only, so a site with apps or ads can be bigger than this shows. Brand searches are the loyalty line: 880 people a month type NextPart AI's name, against 260 for SoulFun. A name people type on purpose is a site they come back to; a site with lots of visits and few brand searches is living on rankings it could lose.
| Feature by feature | ||
|---|---|---|
| Chat and roleplay | Users mixedMy test: Agree | Users mixedMy test: Disagree |
| Memory | Users negativeMy test: Disagree | Users positiveMy test: Partly disagree |
| Voice calls | Users positiveMy test: Agree | – |
| Video chat and video generation | Users mixedMy test: Partly disagree | – |
| Images | Users mixedMy test: Agree | – |
| Characters and customisation | Users positiveMy test: Agree | Users positiveMy test: Agree |
| Free tier | Users mixedMy test: Partly disagree | Users negativeMy test: Disagree |
| Price and coins | Users negativeMy test: Agree | – |
| Privacy and billing | Users negativeMy test: Agree | Users negativeMy test: Agree |
| Safety and legitimacy | Users negativeMy test: Agree | Users mixedMy test: Agree |
| Image generation | – | Users positiveMy test: Agree |
| Voice | – | Users mixedMy test: Agree |
| Video | – | Users mixedMy test: Partly disagree |
| Price and credits | – | Users mixedMy test: Partly disagree |
“Users” is the balance of the YouTube reviews, Reddit threads and articles read for each brand page; “my test” is whether my own month on the site agreed with them.
My take
Users rate them about the same: 2 of 10 features positive for SoulFun and 3 of 10 features positive for NextPart AI. NextPart AI gets it on memory. Both get the same complaint on privacy and billing, so that is a category problem rather than a reason to pick one over the other. My own month did not always match the crowd: I disagreed with users on 3 points for SoulFun and 5 points for NextPart AI, and each disagreement is spelled out on the brand page.
My verdict on each
SoulFun
#57 on the ranking
SoulFun is a 2024 success that has lost nine-tenths of its audience, and after a month with it I understand both halves of that sentence.
Read my full SoulFun analysis →NextPart AI
#51 on the ranking
Nextpart is a credit-metered NSFW roleplay platform that sells memory by the tier, and that idea is better than its reputation, which is almost nonexistent.
Read my full NextPart AI analysis →More comparisons
Written by Hunter Gray, Founder, Owner & Writer. Every figure is from the two brand pages and refreshes monthly. SoulFun and NextPart AI are two of the sites in my best AI girlfriend ranking, where the whole category is ordered on the same data.