tetrify vs Achilles
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
tetrify
Capture to-dos, ideas, and track habits using a familiar texting interface. Turn any text into organized notes and reminders without complex menus. Designed for quick thought capture and personalized organization.
- Instant capture through chat
- Smart Spaces for notes, tasks, journal, habits
- Privacy-first and local data storage
- Familiar chat interface
- Cross-device sync via iCloud
- Export notes to other apps
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Message yourself notes and ideas, or text yourself notes and reminders, through tetrify's familiar texting-based interface. INSTANT CAPTURE THROUGH CHAT Skip complex interfaces. Text yourself ideas, reminders, and thoughts exactly like messaging a friend. No learning curve – just type and go. Perfect for quick brain dumps when inspiration strikes. SMART SPACES FOR EVERYTHING Create dedicated chat Spaces for different areas of your life: - Notes: Capture fleeting thoughts and ideas instantly - Tasks: Turn texts into actionable reminders with time-based notifications - Journal: Track moods, reflect, and build self-awareness through private messaging - Habits: Build consistent routines with gentle text-based check-ins - Mix & Match: Want to use your Notes spaces to also have tasks or keep track of receipts? Create a custom space that fits your workflow! PRIVACY-FIRST & LOCAL Your personal thoughts stay personal. Works completely offline with zero server storage. No accounts required – your data lives only on your device. Chat with yourself without privacy concerns. FAMILIAR YET POWERFUL - Chat Interface: Use the messaging experience you already know - Helper Bars: Quick options for time, mood, and task settings - Routines: Set up daily, weekly, or monthly automated messages - Cross-Device Sync: Optional iCloud sync keeps your spaces in harmony - Export Freedom: Move your captured thoughts to other productivity apps PERFECT FOR ADHD & BUSY MINDS Designed for people who think fast and need to capture thoughts immediately. No friction between idea and storage. Great for: - Students capturing lecture insights - Professionals juggling multiple projects - Anyone building better habits through gentle accountability - People who prefer conversational interfaces over forms WHY TETRIFY Unlike traditional note apps with folders and hierarchies, tetrify uses the natural flow of conversation. Instead of rigid templates, you get flexible Spaces that adapt to how you actually think and work. Get rid of scattered thoughts and find effortless productivity – one text at a time. Privacy Policy: https://tetrify.com/privacy Terms of Service: https://tetrify.com/terms
Achilles
This app helps you build and track daily habits and routines with a minimalist design. It offers smart reminders and progress tracking to help you stay organized and achieve your personal growth goals without feeling overwhelmed.
- Effortless habit tracking
- Recurring tasks and custom reminders
- Minimalist and intuitive design
- Motivational insights
- Structured approach to action
- Supports various routine types
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Achilles: Habit Tracker – Find Your Rhythm, Win Your Day! Master Your Routines, Master Your Life! *The following content is subscription-based* Build Better Habits with Fewer Taps Achilles Tortoise is your ultimate habit and routine tracker, designed to help you stay organized and on track effortlessly. Whether you want to build a productive morning routine, stay focused at work, or develop personal growth habits, this app makes habit formation seamless and intuitive. No more overwhelming to-do lists—just a few taps, and you’re ready to go! Stay Focused, Stress Less Tired of forgetting important daily tasks or feeling overwhelmed? Achilles Tortoise offers smart reminders, progress tracking, and a clean, distraction-free interface to help you stay consistent without stress. Build habits with ease and enjoy a sense of achievement every day. Why Choose Achilles: Habit Tracker? - Effortless Habit Tracking – Add tasks, track progress, and build better routines in seconds. - Recurring Tasks & Custom Reminders – Set up daily, weekly, or custom recurring tasks to automate your success. - Minimalist & Intuitive Design – A simple, elegant UI ensures your focus stays on your progress. - Motivational Insights – Get inspired by small wins and steady progress over time. - No More Procrastination – Turn intentions into actions with a structured approach. Perfect for Any Routine - Morning & Night Routines – Start and end your day with purpose. - Work & Productivity – Organize your workflow and eliminate distractions. - Fitness & Health – Stay active, eat healthier, and build a sustainable wellness plan. - Mindfulness & Mental Well-being – Incorporate meditation, gratitude journaling, and self-care habits. - Learning & Skill Development – Make consistent progress in language learning, coding, or any new skill. - Household & Personal Tasks – Keep up with chores, errands, and home organization effortlessly. Turn Progress into a Habit! Unlike other task managers or habit trackers that feel rigid or overwhelming, Achilles Tortoise is built for flexibility and ease of use. The goal isn’t perfection—it’s consistent, sustainable growth. Join the Journey! Take control of your habits and routines today. Whether you're looking to boost productivity, reduce stress, or simply become more organized, Achilles Tortoise is your perfect daily companion. Download Achilles Tortoise now and start mastering your day—one step at a time! *Subscription required for premium features.* Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is monetization model: tetrify at free with in-app purchases against Achilles's subscription. tetrify also leads on ratings volume (60 vs 1) and device support (4 vs 2). Achilles's advantage is rating (5.0 vs 4.8) and review sentiment (100% vs 86%). On price, update cadence, ads and in-app purchases 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. tetrify sells 4 in-app purchases, starting at $1.99 per month and Achilles sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.
Achilles holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: tetrify has 60 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of tetrify's written reviews are positive against 100% of Achilles's.
tetrify ships an update every 6 days, Achilles weekly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | tetrify | Achilles |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (60 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 85.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 60 — better | 1 |
| Update frequency | Every 6 days — better | Weekly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Subscription |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 143 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | tetr, LLC | 雨 李 |
Customer experience
tetrify
Achilles
In-app purchases
tetrify
- tetrify Pro7 Days trial$1.991 Month
- tetrify Pro7 Days trial$14.991 Year
- tetrify Pro$14.99
- tetrify Offline2 variants$19.99
Achilles
- DayDo Pro Monthly$12.991 Month
- DayDo Pro Yearly$39.991 Year









