Engross vs Calibrate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Engross
This app helps users improve focus and productivity, especially those with ADHD or time blindness. It offers customizable focus sessions, task management, and analytics to understand work patterns. Features include distraction alerts, planning tools, and ambient sounds.
- ADHD-Friendly Pomodoro Timer
- Distraction detection and training
- Task breakdown for executive function
- Integrated daily planner
- Deep work analytics and charts
- Immersive white noise ambience
- Minimalist black theme
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Whether you're working on big projects, studying for exams, or just trying to improve productivity, Engross combines the power of the Pomodoro Technique, to-do lists, day planner, and focus analytics to help you stay organised and distraction-free. Why Engross? Its timer uses a unique ‘Hit me when you are distracted’ hack that makes you more focused & engaged whether you are working or studying. To-do list has features designed keeping in mind the approaches that help in getting things done faster. Calendar is neat & simple so that you can keep your days organised effortlessly. The app is designed to help you achieve more. Key Features: Focus Timer with Pomodoro Technique • Customise focus & break durations with ease • Use the Stopwatch when you simply want to track your time effortlessly • Attach a timer/stopwatch and start sessions right from the To-do list or Calendar • Session tagging for productivity insights To-Do List • Repeat tasks with flexible repeat options like twice a week, every alternate day etc. • Track progress of your long & big tasks with a flexible progress tracker • Reminders that can notify you up to 24 hours in advance • Break the big tasks into smaller & achievable sub-tasks and achieve bigger goals effortlessly Daily Planner/Calendar • Create events and plan routines • From main tasks of the day to lunch break & meditation time, get notified with reminders for everything and stay on track with your schedule • Create Recurring events for your regular routine & keep your days organised Productivity Analytics • Track your focus trends & peak performance times • Session history with charts and detailed insights • Understand where your time goes Clean, Distraction-Free UI • Minimalist design focused on getting work done White Noise • Soothing sounds help to be more focused & engaged when working Engross is perfect for: College Students & High Schoolers Remote Workers & Freelancers ADHD & Neurodivergent Users Writers, Designers, and Creators Anyone looking to work smarter, not harder For Students (High School & College) Study smarter, not harder. Engross is an ultimate study partner, combining the Pomodoro technique, task planner, and focus tracking to help you crush exams, stay ahead of assignments, and make every study session count. Key Benefits for Students: * ‘Hit me when you are distracted’ helps a lot in staying focused * Flexibility of focus timer * Plan out study blocks, breaks, and classes * Stats Dashboard shows how long you study daily, weekly, monthly * No Ads For Professionals * Pomodoro Timer: Stay productive without burning out * To-Do List + Calendar: Manage client tasks, meetings, and deadlines * Session Tags & Stats: Track work hours by client or label * Minimalist Interface For ADHD & Neurodivergent Users Engross supports focus, structure, and routine — helping people with ADHD or executive function challenges stay organised and productive. It's simple and flexible. * Flexible Pomodoro Timer: Adjustable sessions and breaks * Simple Task List: Break big tasks into smaller, doable steps * Visual Stats: Get dopamine boosts from seeing your progress * Routine Builder: Create and stick to daily structures * Low Clutter Design: No overwhelming menus or distractions No pressure. Just the tools you need to build focus, one session at a time. See real progress, every day. Don’t just manage your time — take charge of it. Whether you want to beat procrastination, develop discipline, or simply get more done, Engross gives you the clarity and control you need to succeed. Pomodoro™ and Pomodoro Technique® are registered trademarks of Francesco Cirillo. This app is not affiliated with Francesco Cirillo.
Calibrate
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Calibrate is a beautiful decision journal that scores your judgment over time. Most journals capture how you felt. Calibrate captures what you decided, how sure you were, and whether you were right. HOW IT WORKS 1. Log a decision in under a minute — title, confidence, domain, review date. 2. When the time comes, score the outcome honestly. 3. Watch your hit rate, calibration curve, and domain strengths emerge. BUILT FOR PEOPLE WHO SHIP CHOICES Founders, PMs, operators, investors, and ambitious professionals who make high-stakes calls weekly — and want a private truth dataset, not another diary. FREE • 15 decisions to prove the loop • Confidence logging + outcome reviews • Basic hit rate CALIBRATE PRO • Unlimited decisions • Full calibration curve & Brier score • Domain breakdowns and bias labels • CSV export of your decision history • Monthly or yearly subscription (eligible new yearly subscribers receive a 7-day free trial) PRIVATE BY DESIGN Everything stays on your device. No account. No tracking SDKs. No feed. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period. Manage or cancel anytime in Settings → Apple ID → Subscriptions. Privacy Policy: https://iamantonio.github.io/calibrate/privacy.html Support: https://iamantonio.github.io/calibrate/support.html Contact: calibrate@provenmachine.com Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
Engross and Calibrate are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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. Engross sells 1 one-off in-app purchase and Calibrate sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | Engross | Calibrate |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (46 ratings) — better | — |
| Positive reviews | 48.8% of reviews | — |
| Number of ratings | 46 — better | — |
| Update frequency | Every 4 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 30 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Husain Haidery | Antonio Vargas |
In-app purchases
Engross
- Engross Premium$5.99
Calibrate
- Calibrate Pro Monthly$4.991 Month
- Calibrate Pro Yearly7 Days trial$29.991 Year









