Daimond AI vs Libretto AI
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Daimond AI
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Always wanted an AI like those in the movies? An AI assistant with actual personality who's also useful - and one whose look you can design yourself? Daimond AI lets you create your perfect AI companion. Customize personality, voice and name. Generate a custom illustrated character built from your companion's personality, or pick one of 10 animated companions. Then talk through ideas, search the web, check your schedule, or get a second opinion - by text or voice, online or offline. PERSONALITY + PRACTICAL TOOLS Tired of robotic, one-size-fits-all AI? Love character apps but wish they could help with actual tasks? Daimond offers both: Personality + Practical Tools. Name Your AI Pick a name that fits their personality. Shape Your Character Adjust personality traits with intuitive sliders - then generate a matching illustrated character with Apple Intelligence. Choose a Voice Multiple natural voices make conversation feel real, not robotic. MEET YOUR COMPANION Generate your own illustrated character with Apple Intelligence, created from your companion's personality traits - or pick from 10 built-in animated characters. Your Companion appears in chat and speaks the words. Add matching Thinking and Greeting expressions so your character reacts while Daimond replies and greets you each morning. Character generation uses Apple's Image Playground and requires Apple Intelligence on a supported device. The 10 built-in animated companions remain available on other devices. LOCAL AI-FULLY PRIVATE, WORKS OFFLINE Prefer to keep your AI on-device? Switch your provider to Local and Daimond runs a language model right on your iPhone or iPad. * No API key. No account. No internet required. * Conversations stay on your iPhone or iPad. * Built-in voice output works offline too. * Perfect for travel, flights, or anywhere privacy matters. Local AI is available on iPhone Air, iPhone 17 Pro, iPhone 17 Pro Max, and supported M-series iPads. Other devices keep full access to cloud providers. USE DAIMOND FOR REAL TASKS Search, Research & Images Get answers with personality. Point your camera at something and Daimond can read and discuss it. Calendar & Reminders Review what's ahead and keep your day organized. Subscribers to the Pro tier can create new calendar events and reminders for you. On Your Home Screen Widgets and Shortcuts put Daimond within easy reach, while proactive notifications help Pro users stay ahead of the day. Daimond picks up facts about you as you chat. You're in control and can delete memories anytime. START WITH DAIMOND Enjoy text and voice conversations, every supported AI provider, personality settings, web search, reading calendar events and reminders, and up to 5 stored memories. Local AI has no API key or provider usage fees on supported hardware. Cloud providers - including OpenAI, Anthropic, Groq, and Google - use your own account and API key and bill you separately. CHOOSE PRO FOR MORE Daimond AI Pro adds weather, creating calendar events and reminders, proactive notifications, and up to 25 stored memories for $4.99 USD per month. YOUR AI, YOUR DATA, YOUR CONTROL Daimond AI has no account system. API keys and conversations are stored locally on your device, and AI requests go directly from your device to the provider you select. We don't have access to your conversations. Daimond AI Pro is an optional auto-renewing monthly subscription. Payment is charged to your Apple Account at confirmation. It renews automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings. Restore Purchases is available in the app. Third-party model, audio, and search providers are not affiliated with The Red Building Group. Privacy Policy: https://daimondai.com/privacy.html Terms of Service: https://daimondai.com/terms.html
Libretto AI
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Libretto brings your LibreChat servers to your iPhone: secure, quick to reach and with voice. Libretto is an unofficial client. You enter the address of your own LibreChat server, and Libretto shows its chat page in a clean, fast app. There is no account with us and no detour through our servers. MULTIPLE SERVERS, KEPT APART β’ Any number of profiles, each with its own isolated browser storage β’ Quick switching with the bar at the bottom, with a colour and symbol per profile β’ Optional automatic re-login (password and two-factor code), protected by Face ID and the keychain β’ Single sign-on (e.g. Microsoft) and MCP authorizations work VOICE β’ Voice mode: you speak, Libretto sends your question and reads the answer aloud sentence by sentence while it is still being written β’ Conversation mode with follow-up questions without tapping β’ Speech output with the iOS system voice or optionally through OpenRouter with your own key β’ The microphone button can be placed anywhere on the screen ON THE GO AND QUICK TO REACH β’ CarPlay: start a conversation hands-free in the car β’ Siri and Shortcuts: βStart Librettoβ β’ Widgets and controls for the Home Screen and Lock Screen β’ The conversation keeps running while the screen is locked PRIVATE β’ No ads, no tracking, no analytics β’ Your data goes only to the server you enter yourself β’ A demo profile to try the app without a server of your own COST Libretto is free for private, non-commercial use. For commercial use there is a one-time purchase to confirm it (it unlocks no features) and company licenses on request. If you like, you can support Libretto with a voluntary coffee. Note: Libretto is not affiliated with the LibreChat project. You need your own LibreChat server or access to one. The operator of the server is responsible for it and its content.
Screenshots
Verdict
The clearest difference is update cadence: Libretto AI at daily against Daimond AI's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Daimond AI sells 1 in-app purchase, starting at $4.99 per month and Libretto AI sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.
Daimond AI ships an update every 2 months, Libretto AI daily. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.
| Parameter | Daimond AI | Libretto AI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Daily β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 β better |
| Further details β not scored | ||
| Size | 29 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | The Red Building Group LLC | INGO HANS KEUTGEN |
In-app purchases
Daimond AI
- Daimond AI7 Days trial$4.991 Month
Libretto AI
- Espresso$0.99
- Cup of coffee$2.99
- Pot of coffee$3.99
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- Commercial use$8.99









