Mutual. vs BioLLM
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mutual.
Discover if someone you know has feelings for you without awkwardness. Select contacts anonymously, and if they reciprocate, it's a match. Your privacy is protected until a mutual connection is confirmed.
- Private selection from contacts
- Anonymous notifications
- Mutual match identity reveal
- Simple interface
- No public profiles
- No swiping
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Ever wondered if someone in your contacts feels the same way you do? Mutual makes finding out simple and stress-free. With Mutual, there's no more guessing. Select the people you're interested in from your contacts, and we'll send them an anonymous notification. If they join Mutual and select you too, it's a match! We only reveal identities when feelings are mutual, keeping your privacy protected until there's a connection. No awkward confessions. No rejection anxiety. No public profiles for everyone to see. Just a simple way to discover if someone you already know shares your interest. Features: - Private selection from your existing contacts - Anonymous notifications - Identity revealed only for mutual matches - Simple, clean interface - No public profiles or swiping through strangers Mutual is the modern, low-pressure way to turn secret crushes into real connections. Download now and discover who likes you back!
BioLLM
Engage in real-time AI conversations powered by biological neural data. Each response includes detailed neural metrics like consciousness scores and brain region activity, offering a unique glimpse into AI processing.
- Real-time AI chat
- Neural substrate data
- Consciousness metrics
- Neuromodulator tracking
- Brain region activity visualization
- Detailed metric explanations
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Chat with BioLLM — an AI trained on biological neural data from living cultures on microelectrode arrays. Every response comes with real neural metrics: consciousness scores, brain region activity, neuromodulator levels, and more. Tap "view neural data" to explore what happened inside the neural substrate as it processed your message. FEATURES - Real-time AI chat with streamed responses - Neural substrate data with every message - Consciousness metrics: C-Score, Closure, LZC, Ignition, Criticality - Neuromodulator tracking: Dopamine, Serotonin, Norepinephrine, Acetylcholine - Brain region activity visualization - Detailed explanations of every metric - 5 free messages daily - Purchase credits for unlimited chatting BioLLM is rated 17+ due to unrestricted AI-generated text content.
Screenshots
Verdict
The clearest difference is in-app purchases: Mutual. at none against BioLLM's 1. Mutual. also leads on update cadence (every 4 days vs every 3 weeks). BioLLM's advantage is rating (5.0 vs 4.7). On price, review sentiment, ratings volume and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. BioLLM sells 1 in-app purchase, starting at $19.99 per month. Mutual. asks for nothing beyond the download.
BioLLM holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 3 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Mutual. ships an update every 4 days, BioLLM every 3 weeks. The most recent releases landed on October 7, 2026 and October 11, 2026 respectively.
| Parameter | Mutual. | BioLLM |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (3 ratings) | 5.0 (5 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 3 | 5 — better |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 25 MB | 50 MB |
| Age rating | 17+ | 17+ |
| Developer | Wolk Creative | William Pete |
Customer experience
Mutual.
BioLLM
In-app purchases
Mutual.
No in-app purchases
BioLLM
- BioLLM Pro$19.991 Month









