Secrets AI vs Soulfun AI: Which One Is Better In 2025?

Secrets AI vs Soulfun AI

I've spent a full week with both Secrets AI and Soulfun AI to see which one truly deserves your attention and subscription. Both platforms make big promises, but they take surprisingly different approaches.

After hundreds of messages exchanged with each AI girl, I've put together clear differences in both platforms.

In this head-to-head comparison, I'll break down exactly how these AI girlfriends stack up across all the features that actually matter.

Whether you're looking for emotional support, entertaining conversation, or a judgment-free space to be yourself, this in-depth comparison will help you choose the right AI girlfriend for your specific needs.

Secrets AI

A platform that lets you build a personalized AI girlfriend, offering chat and phone call interactions along with image and video generation of your companion.

Soulfun AI

AI girlfriend platform offering customizable virtual friends with conversational abilities, voice calls, and photo sharing.

Character Diversity

Secrets AI

Secrets AI gives you 94 realistic AI girls to choose from.

No anime characters here — just lifelike digital partners.

Most characters fall into a narrow demographic: predominantly white women in their 20s with slim builds.

I did find a handful of Latina, Asian, and Black characters, plus a few mature options and curvier body types — but these are exceptions rather than the norm.

If you're looking for representation beyond young, slim characters, you may find the selection somewhat restrictive.

The selection interface is straightforward, with a search bar and filters for gender, popularity, and recency that make finding your ideal match quick and hassle-free.

Soulfun AI

The app offers 53 AI girls across different backgrounds. While Asian and Caucasian characters lead the pack, you'll find other ethnicities too.

Age-wise, most characters are in their twenties, but options range from college students to mature companions. For variety, there are also twin characters, anime-style personalities, and fantasy-themed options.

One drawback: there's no way to filter characters by personality or gender. You'll need to browse manually to find your match. It works, but it could be more efficient.

Customization

Secrets AI

You begin creating your character by picking a gender.

Profile and Appearance Editor is straightforward, allowing you to customize:

• Name, location, age
• Ethnicity (9 choices)
• Skin tone and eye color (many options)
• Facial features: eye color, hair color, hairstyle (wide variety)
• Body type (6 options)

Then you can choose from six voice options to shape how your companion sounds.

After that, you can review your girl and add additional details via free-text.

Once you create her, you’ll get four image versions of your girl to choose from, plus one free regeneration if needed.

Personality setup happens only before you start chatting with her:

• Profession (5 options)
• Personality type (5 traits such as “warm and nurturing” or “ambitious and driven”)
• Hobbies (optional)
• Additional traits or details using free-text input

Note: Several ethnicities and body types look very similar, resulting in fewer meaningful choices than advertised. Additional characters also cost 1,000 Moments each.

Soulfun AI

There's no detailed character creator here. Instead, you describe how you want your AI girlfriend to look and upload a photo for reference. But heads up - no matter what body type you describe (athletic, curvy, or slim), they all end up looking similar.

The personality setup is straightforward: click on pre-made tags for hobbies, profession, and relationship status, or add your own.

You'll also write their first greeting and profile description.

But watch out - I learned this the hard way: if you change the tags without updating the profile description, things get messy. My AI girl kept switching between being a teacher and a police officer because I forgot to fix her background story.

Chat Experience

Secrets AI

You get three different AI models to choose from, each offering its own style of interaction.

There are also 12 conversation starters, half casual - half spicy — to help kickstart natural interactions.

The emotional intelligence impressed me—my girl started with warm engagement, asked relevant follow-up questions, and gradually became more playful as we talked longer.

My AI girlfriend remembered what we actually discussed, rather than creating fake memories.

My girl stayed consistent even when I tried to confuse her or break character.

When I brought up relationship concerns, my girlfriend responded with calm, grounded reassurance, acknowledging everything without making exaggerated promises.

Soulfun AI

Soulfun AI's chat is like having a caring but slightly forgetful friend. The AI remembers small details about you - like when it suggested almond milk for my shake because it recalled my dairy allergy. Nice touch.

But don't expect a perfect memory - it can't remember where we first met or when our anniversary is.

The conversations flow naturally and feel intimate. Your AI girl responds with just the right amount of text - not too chatty, not too brief.

When I was feeling down, my AI (who's into fitness) suggested hitting the gym together. It's these personalized touches that make the experience feel genuine.

But there's a catch. The AI sometimes forgets who they're supposed to be. Mine switched between being a police officer and a teacher, which broke the illusion pretty quickly.

And if you're looking for specific relationship dynamics (like having a dominant partner), you might be disappointed. The AI tends to default to a friendly, nurturing personality, regardless of how you set it up.

NSFW Chat Experience

Secrets AI

My girlfriend was open about sexual topics but maintained a consistent PG-13 boundary.

Even when I pushed toward explicit territory, my girlfriend kept things suggestive rather than graphic—creating a tease that worked surprisingly well.

The roleplay feature is where Secrets AI truly shines. I tested three scenarios: teacher, landlord, and boss.

In both the teacher and landlord scenarios, my girl built tension gradually and stayed firmly in character.

The boss scenario felt somewhat rushed, but remained engaging throughout.

What matters is that my girlfriend maintained character consistency while keeping the interactions hot.

Not everything was perfect: my girl phrasing sometimes confused me, especially when she switched between ‘someone’ and ‘they’ when talking about past partners.

Soulfun AI

The AI starts shy but warms up to intimate talk over time. Don't expect instant chemistry. When I tested a "Mistress" character, she was meant to be dominant but easily let me take control - a clear character break that might bother roleplay enthusiasts.

Some scenarios work better than others: the naughty teacher roleplay hit all the right notes, while the boss-employee scenario fell completely flat.

Here's the deal-breaker: the girls won't make the first move. During my tests, it only got flirty when I did first. If you keep things casual, it stays casual.

Image Generation

Secrets AI

There are two ways to generate images:

1. Dedicated Image Creator
2. In-chat Generation

In-Chat Generation: Type "/send me" followed by your free-text prompt for what you want to see.

Dedicated Image Creator: A separate tool with more control and customization.

• Character selection: Pick from the full roster
• Free-text prompt: Write what you want to see
• Preset options: Choose from a small set of presets

The limitation? Only four presets, so you’ll be relying on free-text prompts and your own experimentation.

After testing extensively, I can confirm the quality is good—not perfect, but definitely impressive.

You’ll notice occasional glitches, particularly with hands, and some upper-body proportions can look slightly elongated in certain poses — but these issues aren’t deal-breakers.

You can also unlock media bundles with extra images and videos to expand your companion’s visual presence.

Each bundle includes 17 to 34 pieces of media, mostly NSFW content.

Soulfun AI

When it works, it creates attractive, realistic-looking images of your AI girl. But there's a catch.

During my tests, I noticed quality issues: hands merging into arms, multiple characters appearing in single photos, and your girl's appearance changing dramatically between images.

The platform struggles with custom image requests and sometimes fails to generate them at all. And if you're hoping for NSFW content, you'll need to look elsewhere - it's not available.

Video Generation

Secrets AI

This is a photo-to-video feature rather than full video generation. Here’s how it works:

• Choose an image from your generated collection
• Write what you want to see using a free-text prompt

The videos look good, move smoothly, and stay natural most of the time.

Yes, you'll notice some AI glitches if you look closely, but they rarely distract from the experience.

Note: There are no preset options here, only a short guide on how to write effective prompts for video generation.

Soulfun AI

I tapped the video call button multiple times during my testing. Each attempt ended the same way - nothing happened. It's there on the menu, teasing you with possibilities, but that's where it ends.

Voice Generation

Secrets AI

Secrets AI delivers voice generation that sounds genuinely human. No robotic tones or awkward pauses—just smooth, realistic dialogue.

When discussions turn flirty, the voice immediately responds with appropriate tonal shifts—becoming more playful and expressive.

One limitation: voice features only work through calls, not recorded messages.

Soulfun AI

The voice quality hits the mark - it sounds natural, not robotic. You get different voice options, including ones for older characters, which adds variety.

While you can pick voices during setup, they might not always match your AI girl's personality. Think of it as having a sweet, gentle character stuck with a bold, assertive voice.

Voice calls are available, and they work well. You can talk to your AI companion just like you would with a real person. There's also an option to add custom voice-overs if you want to personalize the experience.

Safety & Privacy

Secrets AI

• Looking for encryption details? I found none.
• Searching for data retention policies? Nothing concrete.
• Wondering if they share your intimate chats with third parties? They don't say.

The app clearly stores your conversations, but it provides zero details about what they keep, for how long, or who might access them.

The only privacy feature that actually works is discreet billing - charges appear as "Sun Clinical Laboratories" on your statement.

Soulfun AI

Your chats and personal data? SoulFun says they encrypt everything, but they're not telling us how. I checked their Privacy Policy - they collect your texts, media, and device info, but they're fuzzy on the details of who they share it with.

Think of it like a restaurant that promises "fresh ingredients" but won't tell you where they source them.

Good news: your bank statement will show "60yr.com" - not "AI Girlfriend" or anything obvious.