18+ · EVIDENCE BEFORE THE CLICK
Start with the job. Then choose the companion.
"Best" changes depending on whether you care most about long-term memory, live voice, adult-content freedom, privacy evidence or predictable cost. LarkMetric separates documented product fit from affiliate routing so the commercial relationship cannot change the comparison.
Choose by the job you actually care about
Memory & continuity
Compare memory architecture, continuity and user controls.
Memory comparisonLive voice
Separate live calls, voice notes, metering and privacy evidence.
Voice comparisonPrivacy & deletion
Compare deletion, training/use, retention and audio-handling evidence.
Privacy comparisonVoice + memory checklist
Seven checks before paying for an adult AI companion.
ChecklistFast fit map
These are evidence-backed fit lanes, not a numeric winner table. Provider claims are treated as provider evidence, not hands-on performance proof.
- Memory depth
Kindroid
Best documented fit when memory architecture and user-configurable depth are the priority.
- Memory
- Short + Cascaded + long-term
- Voice
- Voice & video calls
- Adult scope
- NSFW/ERP explicitly allowed in private use
- Relationship continuity
Nomi
Strong documented fit for ongoing relationship-style companionship with short, medium and long-term memory plus voice calls.
- Memory
- Short + medium + long-term
- Voice
- Voice chat + hands-free calls
- Adult scope
- 18+; unfiltered positioning
- Documented audio privacy
Secrets.ai
Strongest current public audio-handling evidence in this comparison: raw call audio is deleted after real-time transcription while text is retained.
- Memory
- Transcript + documented memory system
- Voice
- Real-time calls
- Cost layer
- Subscription + Moments
- Live call feature
Candy.ai
Current UI clearly documents AI Live Phone Call access and beta usage metering. Call-specific retention evidence is still incomplete.
- Voice
- AI Live Phone Call
- Meter
- 3 tokens/min beta price
- Retention
- Unknown for call-specific handling
- Mainstream romantic mode
Replika
Official Pro documentation includes Romantic Partner, voice messaging, background calls and voice/AR roleplay. Explicit-adult availability is not established by current public documentation.
- Voice
- Messages + background calls
- Memory
- Ultra adds saved messages
- Adult scope
- Policy-dependent / Unknown for unrestricted explicit use
One current supported referral route
Disclosure: LarkMetric may earn a commission from an eligible referral. Affiliate payout, GEO availability and route status do not change the evidence matrix or fit lanes above. Affiliate disclosure
Referral availability
Checking whether the current supported referral route is available for your location…
Evidence matrix
A strong product can still be a poor fit for one specific job. "Verified" describes evidence quality, not whether the feature is good for you.
| Platform | Voice | Memory | Adult / romantic scope | Privacy evidence | Pricing clarity |
|---|---|---|---|---|---|
| Kindroid | VerifiedVoice/video calls documented |
VerifiedCascaded + enhanced long-term memory on paid tiers |
Verified18+; private NSFW/ERP explicitly allowed |
VerifiedCall audio/video processed ephemerally and not stored |
VerifiedWeb monthly/quarterly/annual prices published |
| Nomi | VerifiedVoice chat + hands-free calls |
VerifiedShort, medium and long-term memory documented |
Verified18+; relationship and unfiltered positioning documented |
PartialPrivacy policy documented; call-specific raw-audio retention not asserted here |
PartialRecurring paid plans documented; exact checkout price not asserted here |
| Secrets.ai | VerifiedReal-time audio calls documented |
VerifiedTranscript continuity + memory controls |
Verified18+ adult AI service |
VerifiedRaw call audio immediately deleted; transcript retained |
VerifiedStore publishes current subscription and Moments layer |
| Candy.ai | VerifiedAI Live Phone Call; 3 tokens/min beta meter |
Needs reviewCurrent public evidence not strong enough for a memory-depth claim |
VerifiedAdult-oriented product UI and spicy media features documented |
PartialJuly 2026 policy documents account retention, deletion rights and de-identified/anonymized use for model development; live-call audio retention remains UNKNOWN |
PartialSubscriber feature + token meter known; headline offers vary |
| Replika | VerifiedVoice messages + background calls on Pro |
PartialUltra adds saved messages to memory |
PartialRomantic Partner documented; unrestricted explicit use not established |
PartialGeneral policies exist; no comparative call-retention claim here |
PartialTier structure documented; exact price not asserted here |
How to choose without buying the wrong thing
1. Separate live calls from voice playback
Voice notes, text-to-speech and live two-way calls are different products. Confirm the mode and the usage meter before subscribing.
2. Treat memory as a system, not a checkbox
Look for short-term context, medium-term continuity, long-term recall and user controls. A platform can remember a lot without giving you useful control over what persists.
3. Check adult scope at the policy level
Do not infer unrestricted adult use from romantic marketing. Current terms, moderation rules and age requirements are stronger evidence than screenshots or old reviews.
4. Price the usage layer
A monthly subscription can still carry voice credits, tokens, Moments or add-on tiers. Compare effective cost for the feature you actually use.
Related evidence
- Best AI companion with memoryCompare memory architecture, continuity and user controls.
- AI girlfriend voiceSeparate live calls, voice notes, metering and privacy evidence.
- Voice + memory checklistSeven checks before paying for an adult AI companion.
- AI companion privacy comparisonCompare deletion, training/use, retention and audio-handling evidence.
FAQ
What is the best AI companion app for adults?
There is no universal winner. Start with the job: memory, live voice, privacy evidence, adult/romantic scope or effective cost. The fit map above shows which current documentation is strongest for each job.
Does affiliate commission change the ranking?
No. Fit and evidence are resolved before commercial routing. Payout cannot turn a weaker-fit product into a stronger-fit recommendation.
Is this hands-on testing?
This page is documentation-led. Provider product, help, pricing, privacy and policy evidence is separated from OBSERVED hands-on testing. Where hands-on evidence is absent, LarkMetric does not imply it exists.
Source discipline
LarkMetric did not perform hands-on quality scoring for this page. "Best" is resolved by documented fit to a stated job. Current facts were checked against provider-owned product, help, pricing, privacy and policy surfaces. Missing evidence remains explicit.