Marcus AI vs When Did I Last
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Marcus AI
Build lasting habits with guidance from historical philosophers. Engage in AI-powered chats for motivation and planning, track your progress with streaks and reminders, and visualize your consistency with home screen widgets. Offers a free tier with limited features and a Pro subscription for unlimited AI interaction and advanced analytics.
- Habit tracking with streaks and reminders
- AI chat with historical philosophers
- Philosopher-guided habit suggestions
- Home screen widgets
- Encrypted chat content
- Full analytics dashboard (Pro)
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"No longer talk at all about the kind of man that a good man ought to be, but be such." (Marcus Aurelius, Meditations) Build habits that stick, coached by history's greatest philosophers. Marcus AI is a habit tracker where Marcus Aurelius, Socrates, and six more don't just talk: they propose habits, refine them, and log your check-ins, always with your confirmation. Check in, keep your streaks alive, and let reminders carry you through the day. And when a habit needs more than a checkbox (motivation, a plan, an honest look at why it keeps slipping), open a chat and reason it out with a philosopher, by typing or speaking. EIGHT PHILOSOPHERS, ONE GOAL Marcus Aurelius, Socrates, Aristotle, Epictetus, Seneca, Confucius, Siddhartha Gautama, and René Descartes, each with their own voice and method. Stoic discipline, Socratic questioning, Aristotelian balance: pick the mind that fits the habit you're building. FREE • Track up to 100 habits with streaks, daily check-ins, and reminder notifications • Single or multi check-in habits, with smarter reminders that stop nudging once you're done • Home Screen widgets: today's habits, streak hero, daily quote, and a consistency heatmap • Meet all 8 philosopher guides • Preview AI chat free: 5 free messages every day with Marcus Aurelius, renewing daily, by text or voice MARCUS AI PRO • Unlimited AI chat with all 8 philosophers • Philosophers who act: propose new habits, edit existing ones, and log check-ins right from the conversation, and you confirm every change • A full analytics dashboard for your habits and consistency • Saved conversation threads and history PRIVATE BY DESIGN • Your chat content is encrypted on your device (AES-256-GCM) • Delete your account and all your data in-app, anytime, with no email required • No ads Habit tracking is free, forever. Pro adds the philosophers' full attention when you want it. SUBSCRIPTION PRICING (auto-renewing; prices in USD, may vary by region) • Monthly: $6.99/month • 6-Month: $34.99 every 6 months ($5.83/month) • Annual: $49.99/year ($4.17/month) Payment is charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew unless turned off at least 24 hours before the end of the current period; your account is charged for renewal within 24 hours before the end of the period. Manage or cancel anytime in your Apple ID Account Settings after purchase. AI characters are fictional personas; not real people, licensed professionals, or medical, legal, or mental-health advisors. Terms of Use (EULA): https://trailworm.com/marcusai/terms Privacy Policy: https://trailworm.com/marcusai/privacy
When Did I Last
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When Did I Last? is a simple recurring-task tracker for maintenance and life chores that do not fit a daily to-do list. Create a task, record when it was last completed, and tap Mark Done the next time you finish it. Category views keep household, automotive, work, family, yard, and other tasks easy to scan. Core features: - See how long it has been since a task was completed - Mark tasks complete in one tap - Organize tasks by category - Add optional due intervals in hours or days - Choose a reminder time or start reminders on a calendar date - Review upcoming deadlines in a calendar - Keep task data locally unless you choose a Premium sync, sharing, or export feature An optional one-time Premium purchase adds: - Unlimited tasks - Custom categories and category colors - Notes, reusable checklists, and up to 10 photos per task - Completion records with notes, costs, checklists, and photos - Advanced recurrence, early reminders, repeating alerts, and quiet hours - Reusable task templates and completion insights - Automatic iCloud sync across Apple devices - Private household collaboration through Apple iCloud sharing - Portable list sharing plus manual backup and restore - Three configurable due-task widgets - Eight alternate app icon colors and dark mode - Apple Calendar and CSV export tools No account is required. No advertising or third-party analytics are included.
Screenshots
Verdict
The clearest difference is update cadence: When Did I Last at every 3 weeks against Marcus AI's every 2 months. 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
Both are free to download. Marcus AI sells 3 in-app purchases, starting at $6.99 per month and When Did I Last sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Marcus AI ships an update every 2 months, When Did I Last every 3 weeks. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.
| Parameter | Marcus AI | When Did I Last |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 60 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | Trail Worm LLC | AARON ROSS JACOBSEN |
In-app purchases
Marcus AI
- Marcus AI Pro Monthly$6.991 Month
- Marcus AI Pro Six Month$34.996 Months
- Marcus AI Pro Annual$49.991 Year
When Did I Last
- Lifetime Premium$4.99









