--- title: "Articles | Retenna" description: "Guides and comparisons from Retenna: AI agents compared, and what an AI stylist, trainer, nutritionist and every other expert should do for you." url: https://retenna.ai/articles/ --- Articles # Guides and comparisons How today’s AI agents compare, and what each expert in your life should actually do for you. - Comparison ## [Muse vs Dots vs Grok Bot vs Claude Duet: the new AI agents compared](https://retenna.ai/articles/proactive-ai-agents-compared) Meta, OpenAI, xAI and Anthropic now each offer an AI agent that keeps working while you’re away. Here’s who can get each one, what it’s really for, how it asks before acting, and the part of your life none of them covers. 11 min read 23 October 2026 What’s inside 1. [The short answer](https://retenna.ai/articles/proactive-ai-agents-compared#the-short-answer) 2. [At a glance](https://retenna.ai/articles/proactive-ai-agents-compared#at-a-glance) 3. [Meta Muse](https://retenna.ai/articles/proactive-ai-agents-compared#meta-muse) 4. [OpenAI Dots](https://retenna.ai/articles/proactive-ai-agents-compared#openai-dots) 5. [Grok Bot](https://retenna.ai/articles/proactive-ai-agents-compared#grok-bot) 6. [Claude Duet](https://retenna.ai/articles/proactive-ai-agents-compared#claude-duet) and 6 more sections - Comparison ## [The best all-in-one lifestyle apps compared, and one with an expert for every part of your life](https://retenna.ai/articles/all-in-one-lifestyle-app) Cozi, FamilyWall, Notion, TickTick, ChatGPT and Gemini each promise to put more of your life in one place. Here’s what each one really organises, costs and learns, and what changes when one app has an expert and a full space for every part of your life. 24 min read 25 October 2026 - Alternatives ## [The best ChatGPT alternatives for planning your life](https://retenna.ai/articles/chatgpt-alternatives) Gemini, Claude, Meta AI and Muse, Microsoft Copilot and Perplexity all want to be the assistant you plan your life with. Here’s what each one remembers, connects to, costs and does without being asked, what ChatGPT still does well, and when you need more than a chat. 23 min read 25 October 2026 - Comparison ## [Retenna vs ChatGPT: which should run your outfits, meals, training and week?](https://retenna.ai/articles/retenna-vs-chatgpt) ChatGPT is the AI most people already use, and it’s brilliant at answering, writing and researching. Here’s what it remembers, schedules, connects to and costs today, and what changes when every part of your life has its own expert who knows you and plans ahead. 16 min read 25 October 2026 - Comparison ## [Retenna vs Gemini: Google’s AI assistant, or every lifestyle expert in one mind?](https://retenna.ai/articles/retenna-vs-gemini) Gemini is built into Gmail, Calendar, Maps, Photos and the rest of Google, and it’s getting more personal every month. Here’s what it can see, remember and do on its own today, where its personal features work, what it costs, and what changes when every part of your life has its own expert. 17 min read 25 October 2026 - Alternatives ## [The best MyFitnessPal alternatives, and which one fits your reason for leaving](https://retenna.ai/articles/myfitnesspal-alternatives) The barcode scanner needs Premium, the free app carries ads, and this year MyFitnessPal launched an ad network for brands and announced it had bought Cal AI. If you’re ready to switch, here’s what Cronometer, Lose It!, MacroFactor, FatSecret, Lifesum and Cal AI each do better, what they cost, and how to take your diary with you. 25 min read 25 October 2026 - Alternatives ## [The best Fitbod alternatives, from free workout logs to a trainer that plans your whole week](https://retenna.ai/articles/fitbod-alternatives) Hevy, Strong, JEFIT, Freeletics, Ladder and Future each replace a different part of Fitbod. Here’s what each one does and costs, what Fitbod still does best, and what changes when your trainer can see your whole week. 22 min read 25 October 2026 - Alternatives ## [The best Whering alternatives: wardrobe apps compared, and one that dresses your whole week](https://retenna.ai/articles/whering-alternatives) Whering is a free closet with no item limit, but its AI features cost credits, you can’t export your items, and styling happens on your phone. Here are the wardrobe apps people look at instead, what each does and costs, and where Retenna goes further. 20 min read 26 October 2026 ## A guide to every expert What each expert in your life should know and do for you, how the top apps compare, and where Retenna goes further. - Stylist - Personal trainer - Nutritionist - Beauty and grooming - Wellbeing coach - Planner - The people you love - Personal shopper - Trip planner - Meal planner - Sleep coach - Calorie counter - Running coach - Party planner - Guide · Style ### [The best AI stylist apps compared, and a stylist that learns how you dress](https://retenna.ai/articles/ai-stylist-app) Alta, Acloset, Dressly, Whering, Style DNA, Stylebook and Combyne all promise to help you get dressed. Here’s what each one really does and costs, and what changes when your stylist learns your taste, plans your whole week and gets things ready before you ask. 22 min read 26 October 2026 - Guide · Fitness ### [What an AI personal trainer should actually do for you, and how the top apps compare](https://retenna.ai/articles/ai-personal-trainer-app) Fitbod, Freeletics, Peloton, Apple Fitness+, Strava and WHOOP all promise training that adapts to you. Here’s what each one really does, what it costs, and what a trainer that knows your whole week should do instead. 20 min read 23 October 2026 - Guide · Food ### [What an AI nutritionist should actually do for you, and how the top meal planner apps compare](https://retenna.ai/articles/ai-nutritionist-app) MyFitnessPal, Lose It!, Cronometer, Noom, Samsung Food and Yuka all promise to help you eat well. Here’s what each one really does, what it costs, and what a nutritionist that knows your whole week should do instead. 21 min read 26 October 2026 - Guide · Beauty and grooming ### [The top AI beauty apps compared, and what a beauty and grooming expert that learns you should do](https://retenna.ai/articles/ai-skincare-makeup-app) YouCam Makeup, OnSkin, Yuka, Ulta, Sephora and SkinVision all look at your skin, your products or your make-up. Here’s what each one really does and costs, and what changes when one expert learns how your skin reacts and plans your skin, make-up, hair and grooming around your week. 19 min read 23 October 2026 - Guide · Wellbeing ### [The top AI wellbeing and sleep coach apps compared, and what a coach that plans your rest should do](https://retenna.ai/articles/ai-wellbeing-coach-app) Calm, Headspace, Finch, Sleep Cycle, RISE and Oura all promise better rest. Here’s what each one really does and costs, and what changes when your wellbeing coach can see your whole week and plans rest in before you need it. 19 min read 24 October 2026 - Guide · Planner ### [The best AI planner apps compared, and a planner that knows the rest of your life](https://retenna.ai/articles/ai-planner-app) Motion, Structured, Google Calendar with Gemini, Apple’s Calendar and Reminders, TripIt and Wanderlog all promise to organise your time. Here’s what each one really plans, costs and learns, and what changes when your planner works with your trainer, stylist, nutritionist and the people you love. 27 min read 24 October 2026 - Guide · The people you love ### [The best birthday, gift and relationship apps compared, and an AI that remembers the people you love](https://retenna.ai/articles/ai-birthday-gift-reminder-app) Google Calendar, Cozi, Elfster, FamilyWall, Mesh and Dex all help you keep track of the people in your life. Here’s what each one really remembers, costs and shares, and what changes when the people you love are part of every plan, with nothing reaching them until you say yes. 24 min read 26 October 2026 - Guide · Personal shopper ### [The best AI shopping assistants compared, and a personal shopper that knows what you already own](https://retenna.ai/articles/ai-personal-shopper-app) ChatGPT shopping research, Amazon’s Alexa for Shopping (formerly Rufus), Google’s AI Mode and Gemini, Klarna, Perplexity and Phia all promise to help you buy better. Here’s what each one really does, where it works and who pays it, and what changes when your personal shopper knows what you own and what your week needs. 24 min read 23 October 2026 - Guide · Trip planner ### [The best AI trip planner and packing list apps compared, and a trip planned by every expert who knows you](https://retenna.ai/articles/ai-trip-planner-app) Wanderlog, Mindtrip, Layla, Google Gemini, TripIt and PackPoint all promise to plan your trip, organise your bookings or pack your bag. Here’s what each one really does, costs and remembers, and what changes when your planner, stylist, beauty and grooming expert, trainer and nutritionist plan the trip together. 29 min read 23 October 2026 - Guide · Food ### [The best AI meal planner apps compared, and meals planned from your kitchen and your week](https://retenna.ai/articles/ai-meal-planner-app) Samsung Food, MyFitnessPal’s Meal Planner, Ollie, Eat This Much and Plan to Eat all promise to answer “what’s for dinner?”. Here’s what each one really does and costs, now that Mealime has closed, and what changes when your meals are planned from your kitchen, your week and everyone at your table. 30 min read 26 October 2026 - Guide · Sleep ### [The best AI sleep coach apps compared, and why tracking your sleep isn’t the same as getting it](https://retenna.ai/articles/ai-sleep-coach-app) RISE, Sleep Cycle, Oura, WHOOP, Google Health and Sleep Reset all promise better nights. Here’s what each one tracks, coaches and costs, and what changes when your sleep coach can see your whole week and plan the day around the night. 26 min read 23 October 2026 - Guide · Food ### [The best AI calorie counter apps compared: photo, voice and barcode logging, and what to do with the numbers](https://retenna.ai/articles/ai-calorie-counter-app) Cal AI, MyFitnessPal, Lose It!, SnapCalorie, MacroFactor, Cronometer and Lifesum all promise to count a meal from a photo, a few words or a barcode. Here’s which ones really lead, how accurate a photo can be, what each one costs, and what changes when the counting feeds a nutritionist that knows your week. 26 min read 25 October 2026 - Guide · Running ### [The best AI running coach apps compared, and a coach that trains you for the week you’re having](https://retenna.ai/articles/ai-running-coach-app) Runna, Garmin Coach, Nike Run Club, Strava, Apple Watch and TrainAsONE all promise to get you to the start line. Here’s what each one really plans, adapts and costs, and what changes when your running coach can see the rest of your week. 28 min read 25 October 2026 - Guide · Party planner ### [The best AI party and event planner apps compared, and a planner that readies the whole occasion](https://retenna.ai/articles/ai-party-planner-app) Partiful, Evite, Paperless Post, Apple Invites, Canva and ChatGPT all help with a party. Here’s what each one really does and costs, and what changes when one planner gets the guests, the food and allergies, your outfit, the gift and the timings ready together. 27 min read 26 October 2026 ## Every lifestyle expert, one mind that knows you. An expert and a full space for every part of your life, one living model of you, and everything inside your rules. Coming to iPhone, Android and the web: join early access free, and keep founding pricing for life. [Get early access](https://retenna.ai/#join-final)