Challenge Tracker vs 2DOs
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Challenge Tracker
This app helps you build lasting habits through short, focused commitment cycles of 7-90 days. It emphasizes clear beginnings and endings to foster permanent change without the pressure of endless streaks or guilt from missed days.
- Short commitment cycles (7-90 days)
- Focus on lasting change
- No endless streaks or guilt
- Track progress visually
- Simple system for good/bad habits
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Begin with Askesis β One challenge. Clear start. Clear end. Permanent change. 7β90 day commitments β the proven way real, lasting results are forged. One focused cycle is all it takes to become unrecognisable. No endless streaks. No guilt when life happens. β’ Short cycles that actually stick β’ Same system: keep the good, drop the bad β’ Every spark, every victory in one glance β’ Progress that feels like fire, not chores When the finish line is visible from day one, you donβt just try β you transform. Short cycles. Pure focus. Forever change. Download free and light your first flame today. Privacy: https://getaskesis.com/privacy-policy EULA: https://getaskesis.com/terms-of-service
2DOs
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Smart To Do List: Master Your Day with Time-Boxed Planning Tired of endless to-do lists that feel more like a burden than a guide? Smart Todo - FLOW is the revolutionary smart to do list app designed to move you beyond simple listing into powerful, time-boxed execution. We don't just help you list tasks; we help you schedule them into your day with surgical precision, ensuring you tackle what matters most and make your daybetter. Forget the overwhelming complexity of tools like notion or the rigid structure of traditional plannersβFLOW brings a beautiful, intuitive, and highly effective approach to personal productivity. Embrace the "Eat the Frog" Philosophy The secret to a productive day is starting with the hardest task. Smart Todo - FLOW is built around the "Eat the Frog" concept, encouraging you to identify and prioritize your most challenging tasks (your "Frogs") and schedule them for your peak energy slots. Our three-level Priority System (Low, Medium, High) and Energy Level Tags work together to guide you. When you open the Focus View, your "Frog" is highlighted, giving you the clarity and motivation to conquer it first. This simple, powerful shift in mindset transforms procrastination into progress, making you a true taskmaster of your own schedule. Precision Time-Boxing: Your Day, Your Way Smart Todo - FLOW is the ultimate tool for time-boxing, offering unparalleled flexibility in how you structure your day. Unlike basic list apps, we provide dynamic day-split options that adapt to your life: β’ 2 Slots: Simple Morning/Afternoon split. β’ 3 Slots: Granular Morning, Afternoon, and Evening blocks. β’ 2-Hour Time Blocks: A precise matrix of 6 slots from 8 AM to 8 PM for detailed scheduling. β’ Custom Time Slots (Pro): Create up to 10 personalized slots with custom names and colors, including wrap-around slots that cross midnight. Our unique Current Slot Highlighting feature automatically identifies where you should be focusing right now, eliminating decision fatigue and keeping you locked into your plan. Drag and drop tasks between these time slots to effortlessly reschedule and re-prioritize your day. Smart Features That Work For You FLOW is more than just a beautiful interface; itβs an intelligent system designed to keep you on track. β’ Smart Overdue Detection (Pro): Automatically identifies tasks in past time slots and presents a one-tap action banner to quickly reschedule them to the next logical slot or back to planning. No more tasks silently slipping through the cracks. β’ Quick Capture View: A dedicated "Brain Dump" interface for rapid task entry. Get thoughts out of your head and into your Inbox instantly, with visual celebration feedback on capture. β’ Integrated Pomodoro Timer: Start focused work sessions directly from any task card. Customize your duration (Pro) and dive into a full-screen, distraction-free timer interface with haptic feedback and smooth progress rings. Designed for Focus and Delight We believe productivity tools should be a joy to use. Smart Todo - FLOW is built with a modern, minimalist UI featuring glassmorphism effects, blur backgrounds, and smooth, spring-based animations. β’ 11 Premium Themes (Pro): Choose from a wide range of aesthetic themes like Rose, Lavender, and Midnight to match your mood and environment. β’ Comprehensive Haptics & Sound Effects: Get satisfying tactile and audio feedback for every major interaction, from task completion to timer actions. β’ iOS Widget Integration: Use the Focus Gems widget to see your high-priority tasks right on your home screen, or the Quick Spark widget (Pro) for instant capture. Whether you're a fan of omnifocusβs structure or seeking a more visual, time-centric alternative to your current smart to do list, Smart Todo - FLOW is engineered to help you achieve flow state, manage your time effectively, and consistently Eat the Frog. Terms of Service - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: Challenge Tracker at 15.0 against 2DOs's 17.4. On price, update cadence, ads and in-app purchases 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. Challenge Tracker sells 3 in-app purchases, starting at $9.99 per month and 2DOs sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Challenge Tracker ships an update monthly, 2DOs every 3 weeks. The most recent releases landed on September 15, 2026 and September 12, 2026 respectively.
| Parameter | Challenge Tracker | 2DOs |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | β |
| Update frequency | Monthly | Every 3 weeks β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | β |
| Devices | iPhone, iPod β better | iPhone |
| Requires iOS | 15.0 β better | 17.4 |
| Further details β not scored | ||
| Size | 20 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Nikita Shestak | BITART |
In-app purchases
Challenge Tracker
- Monthly$9.991 Month
- Yearly$39.991 Year
- 3-day trial3 Days trial$39.991 Year
2DOs
- Monthly Premium$1.991 Month
- Yearly Premium$7.991 Year








