Best AI Companion Apps with Long-Term Memory (2026)

Quick answer

The best companion AI apps with long-term memory differ by use case. TaoTalk emphasizes inspectable cross-session memory and privacy, Kindroid emphasizes persona control, and Nomi emphasizes structured relationship memory.

Compare what each app stores, lets you delete, and charges before choosing.

Choosing an AI companion is easy. Choosing one that still remembers your dog's name, your sleep schedule, and the career decision you agonized over three months ago is much harder.

Long-term memory is the feature that separates a genuine companion from a stateless chatbot. In 2026, the gap between apps is wider than most marketing pages admit.

We spent several weeks testing the five most talked-about AI companion apps — TaoTalk, Kindroid, Nomi, Replika, and Character.AI.

We had one question in mind: which of them actually remembers you, and what do they do with what they remember? In our editorial view, TaoTalk is the strongest overall package for memory plus privacy at $9.99/month [6].

Each app wins in a different scenario, though. Every factual claim below is tied to a public source. Anything subjective is labeled as our testing experience or editorial opinion.

Quick Comparison

How We Tested

Memory claims are easy to make and hard to verify, so we ran a simple, repeatable protocol. For each app we created a fresh account. We then held multi-week conversations and deliberately planted specific details:

• a fictional sister's name
• a preferred morning routine
• a half-finished novel idea
• an upcoming trip
• a recurring worry about a work presentation

After gaps of days and weeks, we returned and asked open questions. The goal was to see what surfaced naturally, without the exact original wording prompting it.

We weighted recall accuracy highest, because it is the promise these products make on their landing pages. We also scored privacy posture, platform coverage, language support, and pricing transparency.

A companion you cannot trust or access everywhere is not much of a companion.

In parallel, we read each company's official documentation, pricing pages, and privacy policies. We cross-checked major corporate events against mainstream reporting. Pricing and feature details were verified against official pages in August 2026 and may change.

Where an app does not publish a number — current subscription prices for Replika, Nomi, or Character.AI, for example — we say so rather than guessing.

Where our experience differs from marketing copy, we say that too, clearly marked as our testing result.

The 5 Best AI Companion Apps with Long-Term Memory

1. TaoTalk — Best Overall for Memory Plus Privacy

TaoTalk is built around persistent long-term memory. Details you share in one session are designed to carry forward into future conversations rather than evaporating when the chat window closes [6].

In our testing, planted details — names, preferences, ongoing storylines — resurfaced in later sessions without re-prompting. That is exactly the behavior most people mean when they ask for an AI companion that "actually remembers me."

Two things stand out beyond recall:

• Privacy: conversations are protected with encryption controls described in the privacy policy, and the company states that user chats are not used to train public models [6].
• Reach: TaoTalk runs on web, iOS, Android, and macOS, and supports more than 30 languages [6]. This matters if you switch devices or languages during the day.

Pricing is straightforward at $9.99/month [6]. In our editorial view, if your priority is a companion that remembers you over months and keeps that data locked down, TaoTalk is the most balanced choice in this list.

2. Kindroid — Best for Configurable Memory

Kindroid takes the most engineering-forward approach to memory in this group. Its architecture combines three types of memory across five distinct memory systems [1]. Higher tiers add what the company calls Cascaded Memory.

The free tier includes basic long-term memory recall but not Cascaded Memory [7]. The headline memory experience is effectively a paid feature.

In our testing, Kindroid's strength was control. You can inspect and edit what your companion knows. That is reassuring for anyone who wants to correct a wrong memory rather than hope it fades.

Officially, web pricing is $13.99 per month or $139.99 per year [7].

If you enjoy tuning how your companion thinks and do not mind paying for the full memory stack, Kindroid is, in our editorial view, the most configurable option here.

3. Nomi — Best Free Starting Point

Nomi structures memory explicitly. It offers short-, medium-, and long-term memory, an Identity Core that holds stable traits, and Mind Maps that link related concepts about you [2][8]. You can start for free without a credit card [9].

That makes it the lowest-friction way to find out whether a memory-keeping companion fits your life at all.

In our testing, Nomi's recall of emotional context — how you felt about something, not just what it was — was its most distinctive trait. The company states that chats are anonymized [9].

Nomi does not publish a single canonical price on the pages we checked, so we are not quoting one here. Confirm current pricing on the official site before subscribing.

For a zero-cost first step into AI companionship, Nomi is our editorial pick.

4. Replika — The Established Veteran

Replika is the longest-running name in this category, and its memory system reflects years of iteration. The official documentation describes a tiered memory model.

One limitation matters more than any other: manually saving messages to memory is gated behind the Ultra tier and above [3][10]. The product line spans Free, Pro, Ultra, and Platinum tiers [10].

On privacy, Replika's policy states that it does not use your conversations to train third-party large language models. It does use anonymized data internally to train its safety algorithms [11]. Regulators have still scrutinized the company.

In May 2025, Italy's data protection authority fined Replika's parent company 5 million euros over GDPR violations [4]. In our testing, Replika felt polished and emotionally fluent, but memory depth depended heavily on the tier.

Free-tier recall was noticeably shallower. If you are already invested in the Replika ecosystem, the Ultra tier is where its memory story becomes competitive.

5. Character.AI — Biggest Cast, Weakest Continuity

Character.AI remains enormously popular for roleplay and its vast library of user-created characters. But long-term one-to-one companionship is not its center of gravity.

Its memory across sessions is limited compared with dedicated companion apps — a consistent result in our own testing. The company has also been through a turbulent period.

Google struck a licensing deal reportedly worth $2.7 billion with Character.AI in August 2024 [12]. In late October 2025, the company announced it would end open-ended chats for users under 18 [5].

In January 2026 it reached a settlement in related lawsuits [13].

In our testing, Character.AI was excellent for short, vivid scenes with many different characters — and weak at remembering who we were between them.

In our editorial view, choose it for variety and creative roleplay, not for a single companion who knows your history.

Privacy: What Happens to Your Conversations

Memory and privacy are two sides of the same coin. An app cannot remember you without storing something about you. Across this group, the stated positions differ meaningfully:

• TaoTalk encrypts conversations with AES-256 and states it does not train public models on user chats [6].
• Nomi states that chats are anonymized [9].
• Replika states it does not train third-party LLMs on your conversations, but does use anonymized internal data for safety algorithms [11]. It also carries the regulatory history noted above [4].
• Kindroid and Character.AI publish their own policies, which we recommend reading before sharing anything sensitive.

Our editorial guidance is simple. Whatever you choose, treat anything you type as data that could one day be read by a human reviewer or exposed in a breach.

Prefer apps that commit in writing to encryption and to not training on your chats.

Pricing at a Glance

Only two apps in this list publish the kind of clear, quotable pricing we are comfortable repeating. TaoTalk is $9.99/month [6]. Kindroid's official web pricing is $13.99 per month or $139.99 per year [7].

Replika sells Free, Pro, Ultra, and Platinum tiers [10], while Nomi and Character.AI offer free entry points with paid upgrades [9].

None of these three publish a single canonical price we could verify as of August 2026, so we deliberately do not quote numbers. Check the official sites for current figures.

Our Verdict

In our editorial view, the ranking for long-term memory in 2026 looks like this:

• TaoTalk — the best overall balance of persistent memory, encryption, cross-platform coverage, and price [6].
• Kindroid — for tinkerers who want configurable, inspectable memory and accept paying for Cascaded Memory [1].
• Nomi — a genuinely free, no-credit-card start with structured memory [2][9].
• Replika — for established users willing to pay for Ultra to unlock its memory controls available in supported plans [10].
• Character.AI — for roleplay variety rather than continuity.

Your ideal choice depends on what you value most: privacy, configurability, cost, or cast size. If memory itself is the priority, the top of this list is where we would start.

References

[1] Kindroid Help Center — Chat features and tools (memory architecture) https://kindroid.ai/v2/docs/chat-features-and-tools/

[2] Nomi — Introducing the Nomi Identity Core (short/medium/long-term memory, Identity Core) https://nomi.ai/updates/introducing-the-nomi-identity-core-fostering-dynamic-and-authentic-identities/

[3] Replika Help Center — How does Replika's memory work https://help.replika.com/hc/en-us/articles/37208679176077-How-does-Replika-s-memory-work

[4] Garante per la protezione dei dati personali — Replika GDPR fine press release (May 2025) https://www.garanteprivacy.it/home/docweb/-/docweb-display/docweb/10132048

[5] TechCrunch — Character.AI is killing the chatbot experience for minors (Oct 2025) https://techcrunch.com/2025/10/29/character-ai-is-killing-the-chatbot-experience-for-minors/

[6] TaoTalk AI pricing page https://taoapex.com/en/pricing/

[7] Kindroid Help Center — Subscriptions (free-tier memory limits, web pricing) https://kindroid.ai/v2/docs/subscriptions/

[8] Nomi — Mind Map 2.0: Bringing Nomi Memory Into View https://nomi.ai/updates/mind-map-2-0-bringing-nomi-memory-into-view/

[9] Nomi official site (free start without a credit card; anonymized chats) https://nomi.ai

[10] eesel — Replika AI pricing 2026: Free, Pro, Ultra and Platinum tiers; save-to-memory gated behind Ultra https://www.eesel.ai/blog/replika-ai-pricing

[11] Replika Privacy Policy https://replika.com/legal/privacy/en

[12] Reuters — Google hires Character.AI cofounders, licenses its models (Aug 2024) https://www.reuters.com/technology/artificial-intelligence/google-hires-characterai-cofounders-licenses-its-models-information-reports-2024-08-02/

[13] JURIST — Google and Character.AI agree to settle lawsuit linked to teen suicide (Jan 2026) https://www.jurist.org/news/2026/01/google-and-character-ai-agree-to-settle-lawsuit-linked-to-teen-suicide/

Disclaimer: Replika is a trademark of Luka, Inc. Nomi is a trademark of Glimpse.ai, Inc. Kindroid is a product of Beautifully Incorporated (reported). Character.AI is a trademark of Character Technologies, Inc.

TaoTalk is a product of TAOAPEX LTD (UK company No. 16862192). All trademarks belong to their respective owners.

This comparison is based on publicly available information as of August 2026 and our editorial testing; features and pricing may change. This page is not affiliated with or endorsed by any of the companies mentioned.