Comparison

ChatLLM vs Hephaistos

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ChatLLM

Access multiple state-of-the-art AI models for advanced chat, image and video generation, live meeting transcription, and autonomous task completion. Integrate with your tools for complex, multi-step operations.

Highlights
  • Autonomous AI Agent for complex tasks
  • Real-time meeting transcription in 100+ languages
  • Advanced AI chat with 15+ language models
  • Voice chat and hands-free AI conversations
  • Image and video generation from text
  • AI-powered deep web research with citations
  • Code execution and debugging
Features
Read full description

ChatLLM – The Most Powerful AI Assistant on Mobile Chat, Create, Listen & Automate with State-of-the-Art AI ChatLLM brings together the world's best AI models — GPT-6.1, Fable 5.1, Opus 5.5, Gemini, DeepSeek, and more — into one app. Chat naturally, generate images and videos, transcribe meetings live, or let the AI Agent autonomously handle complex tasks for you. AGENT — AUTONOMOUS AI AGENT Give the Agent a task and watch it work. It uses multiple AI models, browses the web, writes code, and connects to your tools to complete complex multi-step tasks autonomously. • Research, analyze, and compile reports • Build and deploy websites and apps • Connect to Gmail, Google Drive, Jira, Slack, and more • Track progress with real-time task updates AI LISTENER — REAL-TIME MEETING INTELLIGENCE Record any conversation and get live AI-powered transcription and insights. • Real-time transcription in 100+ languages • AI-generated suggestions while you listen • Automatic session summaries • Custom analysis templates (Key Points, Technical Analysis, or your own) • Chat with AI about any past session • Background recording — switch apps without losing audio ADVANCED AI CHAT Natural, human-like conversations powered by 15+ language models. Ask questions, brainstorm, debug code, or tackle any topic. VOICE CHAT Full voice conversations with AI. Choose from multiple voices, switch between automatic and manual recording modes, and go hands-free. IMAGE & VIDEO GENERATION Turn text into visuals with Nano Banana Pro, FLUX, GPT Image 2.5, Seedream 5, Ideogram, Recraft, and more. Generate videos with Seedance 2.5, Veo 3.1, Kling AI, and Sora 2. DEEP RESEARCH AI-powered web research with source citations. Get comprehensive, multi-source answers to complex questions with real-time activity tracking. CODE EXECUTION Run code directly in chat. Debug, generate snippets, and test ideas with a built-in terminal and playground. DOCUMENT ANALYSIS Upload files for instant summaries, Q&A, and analysis. Supports PDFs, images with OCR, and more. PERSONALIZATION • Custom instructions for tailored responses • Memory system that learns your preferences • Projects to organize conversations and files • Thinking mode for complex reasoning 15+ AI MODELS IN ONE APP GPT-6.1 · Claude Fable 5.1 · Claude Opus 5.5 · Gemini · DeepSeek · Kimi · Grok · Qwen · Perplexity · and more Why Choose ChatLLM? • All the best AI models, one subscription • Multi-modal: Text, Voice, Images, Video, Documents • AI Agent for autonomous task completion • AI Listener for meeting intelligence • SOC-2 and HIPAA compliant — your data stays private This app requires a subscription. Plans start at $9.99/month. Terms of service & privacy policy: https://abacus.ai/terms https://abacus.ai/privacy

About

Hephaistos

Features
Read full description

Votre IA personnelle, partout. Hephaistos réunit dans une seule app vos conversations avec Jarvis, vos recherches, vos documents et vos automatisations. Posez une question, reprenez une idée plus tard et gardez le contexte utile à portée de main. UNE IA QUI VOUS ACCOMPAGNE - Conversations fluides avec réponses en temps réel - Mémoire personnelle et préférences - Recherche web avec sources vérifiables - Questions sur vos PDF, DOCX, notes et fichiers - Voix, pièces jointes, favoris et export - Agents et automatisations pour les tâches répétitives DEUX FAÇONS DE L'UTILISER Choisissez Hephaistos Cloud pour démarrer sans gérer de machine, ou connectez votre propre serveur compatible pour garder la maîtrise de l'inférence. Le téléchargement de l'app est gratuit. Hephaistos Cloud est un abonnement optionnel dont le prix et la durée sont affichés avant l'achat. CLAIR SUR VOS DONNÉES Hephaistos ne vend pas vos données et ne vous suit pas entre les apps ou les sites. Chaque mode indique où les requêtes sont traitées. Les contrôles d'export, de réinitialisation et de suppression restent accessibles dans l'app. ET AUSSI - Agora communautaire avec signalement et modération - Messages directs chiffrés de bout en bout côté client - Connexion sur plusieurs appareils - État du service et diagnostics lisibles POUR COMMENCER 1. Téléchargez gratuitement Hephaistos. 2. Choisissez Hephaistos Cloud ou votre serveur personnel. 3. Ouvrez Jarvis et commencez. CONDITIONS ET CONFIDENTIALITÉ Conditions d'utilisation (EULA Apple standard) : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Politique de confidentialité : https://gethephaistos.com/privacy

Screenshots

ChatLLM4 screens
Hephaistos4 screens

Verdict

The call

The clearest difference is update cadence: Hephaistos at every 2 days against ChatLLM's every 4 days. On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ChatLLM sells 3 in-app purchases, starting at $9.99 per month and Hephaistos sells 6 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ChatLLM ships an update every 4 days, Hephaistos every 2 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
ChatLLM versus Hephaistos: the parameters behind the verdict, then further details
ParameterChatLLMHephaistos
PriceFreeFree
Rating4.9 (3.8K ratings) — better—
Positive reviews64.2% of reviews—
Number of ratings3.8K — better—
Update frequencyEvery 4 daysEvery 2 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationSubscription—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.016.0 — better
Further details — not scored
Size118 MB39 MB
Age rating12+4+
DeveloperAbacus.AILogan Ablaoui

Bugs and requests

ChatLLM

Reported bugs

5 issues
  • Voice chat is not transcribing
  • Chats disappearing after re-entering the thread
  • App freezing or becoming laggy when generating responses on mobile
  • Voice chat not working
  • App crashing on mobile

Requested features

11 requests
  • Add transcript to the headphone mode
  • Rename a thread
  • Add execution time and other metrics for each request
  • Indicate which LLM served the request when using routeLLM
  • Add an iPad version
Show 6 more
  • Add ability to delete chats on mobile
  • Add voice chat and talk back feature
  • Improve copy/paste functionality
  • Allow selecting text
  • Add ability to set default LLM
  • Improve font size customization

Hephaistos

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

ChatLLM

Subscriptions3
  • Monthly Subscription$9.991 Month
  • Monthly subscription$9.991 Month
  • Pro Tier$19.991 Month
6 purchases

Hephaistos

Subscriptions6
  • Spark (monthly)$8.991 Month
  • Flame (monthly)$24.991 Month
  • Titan (monthly)$44.991 Month
Show 3 more
  • Spark (yearly)$89.991 Year
  • Flame (yearly)$249.001 Year
  • Titan (yearly)$399.001 Year

Questions

Is ChatLLM free?
ChatLLM is free to download, with in-app purchases available.
Is Hephaistos free?
Hephaistos is free to download, with in-app purchases available.
Do ChatLLM or Hephaistos have ads?
Neither ChatLLM nor Hephaistos shows ads.
Which is updated more often, ChatLLM or Hephaistos?
ChatLLM ships an update every 4 days, and Hephaistos every 2 days. Most recently, ChatLLM was updated on October 30, 2026 and Hephaistos on October 28, 2026.

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