Instead of one AI friend you configure from scratch, meet a cast of authored characters and build relationships that grow through the plot.

Choose Replika if you want a single, always-available companion you shape over time. Choose Frontier if you want a whole cast of authored characters with real backstories, met through stories and dated with persistent memory.
Most character apps hand you a pile of user-made bots that nobody vetted. Quantity wins, craft loses. Personalities drift, the writing turns generic, and the slop piles up.
Frontier is a studio. Our stories are led by veteran writers with decades of experience and credits at studios you'd recognize, and a person signs off on everything that ships. That's the difference between a crafted world and an unmoderated feed, and it holds no matter what tools help along the way.
Veteran writers with decades of experience own each character's voice, backstory, and arc. It isn't a bot someone spun up in ten seconds.
Nothing ships unchecked. A person crafts and approves every story before it reaches you.
Quality over quantity: a hand-picked catalogue instead of an endless wall of unmoderated bots.
Replika pioneered the AI-companion space: one dedicated friend, an avatar you customise, voice calls, and a polished mobile experience focused on emotional support and companionship.
It's a great fit if you want a single, always-available confidant. But some people want more than a blank companion they have to shape entirely themselves. They want characters with their own backstory, personality, and a reason the relationship matters.
Frontier gives you that through curated visual novels. You meet fully-written characters inside a story, unlock them by living through the plot, and then keep dating them, with memory that carries your shared history forward across branches and sequels.
How we compare: we write these breakdowns by hand, concede where a rival is genuinely stronger, and review the copy quarterly. No paid placements, no auto-generated filler.
| Frontier | Replika | |
|---|---|---|
| Relationship model | A cast of authored characters you meet through stories | One dedicated companion you configure |
| Character depth | Written backstory and personality out of the box | Shaped by you over time |
| Narrative stakes | Relationships grow through the plot | Open-ended companionship, no set story |
| Memory | Persists across branches and sequels | Persists within your single companion |
| Voice calls & avatar customisation | Not the focus: authored characters and art instead | Polished voice calls and avatar customisation |
If you want more than one blank-slate companion and prefer characters with real backstory, personality, and narrative stakes, Frontier is a strong fit. You meet a cast of authored characters through curated visual novels, unlock them through the story, and date them with persistent memory. Replika remains great if you specifically want a single, always-available companion.
Yes. Every character has a human author behind it, with a defined voice, backstory, and role in the story, so you're building a relationship with someone specific rather than configuring a blank companion.
Frontier is free to download and start playing. Some stories and chat features use Quills, the in-app currency, but you can explore and play without paying upfront.
Weighing up more than one app? See the full ranked comparison of the field.
Download Frontier and start your first story free.