Comparison

CompisCalculator Pro vs Lock In

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

CompisCalculator Pro

A scientific calculator designed to enhance productivity with features like real-time results, unit conversion, and custom buttons. It offers a date calculator, customizable appearance, and is optimized for iPad.

Highlights
  • Real-time calculation results
  • Integrated unit and currency converter
  • Customizable buttons and functions
  • Date and time difference calculator
  • Calculation history
  • Customizable appearance
  • iPad optimization
Features
Read full description

CompisCalculator is a scientific calculator designed to boost you productivity and offer a more robust experience. •HISTORY: Calculations are saved in history to be used again later if needed. •REALTIME RESULTS: The calculator shows realtime results while typing •UNITCONVERTER: The unit can be used to convert different units like mass, volume and more. It also features a currency converter that updates every day. •CUSTOM BUTTONS: With the custom buttons feature you can save variables as your own button. You can also create custom function witch can be useful when working with •DATE CALCULATOR: Use the date calculator to measure the difference in time between two dates or times of day. •NO ADS: CompisCalculator is free from those enjoying ads. •IPAD OPTIMIZED: CompisCalculator is optimized for both iPad and iPhone and can take advantage of split screen and runs in both portrait and landscape orientations. •CUSTOMIZABLE LOOK: Make the calculator you own by changing the color. Choose one of the preset colors or get creative and choose the RGB values to get the exact color you want. •THOUSAND SEPARATOR: Thousand separator makes it easier to visualize the number. •HAPTIC FEEDBACK AND SOUND: Choose between different button sounds and haptic feedback styles or turn them of.

About

Lock In

This app helps you block distracting applications and manage your daily tasks with a built-in Pomodoro timer and planner. It guides you through setting goals, planning your day, and focusing on what matters to improve productivity and reduce screen time.

Highlights
  • App Lock & Blocker
  • Pomodoro Focus Timer
  • Smart Daily Planner
  • Task Vault & To-Do List
  • Distraction Diagnosis
  • Digital Detox Mode
Features
Read full description

Lock In: Block Apps, Stay Focused, Get More Done Tired of endless scrolling, screen time overload, and unfinished to do lists? Lock In - App Lock Focus Timer is the productivity app that actually works. Block distracting apps, plan your day, and crush your goals with a built-in Pomodoro timer, daily planner, and powerful app blocker — all in one. Whether you're a student studying for exams, a professional managing deadlines, or anyone with ADHD looking for structure, Lock In helps you take control of your digital habits and focus on what matters. Why You'll Love Lock In: - App Lock & Blocker: Block distracting apps during focus sessions using Screen Time. Stay locked in — no temptation, no willpower needed. Unlock any time if you must.* - Pomodoro Focus Timer: Study and work in proven focused intervals. Customize session lengths from classic 25-minute Pomodoro blocks to longer deep work sessions.* - Smart Daily Planner: Define one main priority and up to three secondary tasks each day. Simple, clear, stress-free planning through the guided Check-In.* - Task Vault & To-Do List: Store all your tasks, ideas, and homework in one place. Turn an overwhelming to do list into manageable, actionable steps.* - Study Timer & Motivation: Ideal for students and learners. Focused study sessions with motivating animations, calming visuals, and rewarding breaks.* How Lock In Works: 1) Set Your Goal: Answer quick lifestyle questions to understand your distraction patterns and set your first focus goal. 2) Build Your Task Vault: Add tasks, homework, ideas, or reminders into your personal Task Vault.* 3) Plan Your Day: Each evening, use the guided daily planner Check-In to set tomorrow's priorities — creating clarity and calm.* 4) Lock In & Focus: Start your focus session with app blocking, engaging animations, and timed Pomodoro intervals. Distractions blocked, productivity unlocked.* 5) Reflect & Improve: Finish each day with reflections, track progress on the interactive Progress Feed, and celebrate your achievements.* Key Features: - Distraction Diagnosis: Understand your screen time and distraction patterns to set a meaningful focus goal. - Digital Detox Mode: Block notifications and apps to sharpen your concentration and reduce screen time.* - Customizable Pomodoro Timer: Tailor session lengths to your productivity style — from quick 15-minute sprints to extended deep work.* - Progress Feed: See your completed tasks, focus sessions, and streaks in one inspiring place.* - Goal Tracker: Set, monitor, and achieve your daily and weekly productivity goals.* Turn productivity from overwhelming to enjoyable. Whether you're blocking apps, planning your schedule, studying for homework, or taking control of screen time, Lock In transforms your routine into something you genuinely look forward to. Download Lock In - App Lock Focus Timer today and unlock your potential, one focused task at a time! Support & Important Information Questions or ideas? Email us at support@marcado.io. *PREMIUM FEATURE — SUBSCRIPTION REQUIRED. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

CompisCalculator Pro4 screens
Lock In4 screens

Verdict

The call

The clearest difference is rating: CompisCalculator Pro at 5.0 against Lock In's 4.0. CompisCalculator Pro also leads on monetization model (free vs free with in-app purchases) and device support (3 vs 1). Lock In's advantage is update cadence (weekly vs every 3 weeks). On price, ratings volume, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CompisCalculator Pro sells 1 one-off in-app purchase and Lock In sells 9 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

CompisCalculator Pro holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 3 respectively.

UpkeepUpdate frequency

CompisCalculator Pro ships an update every 3 weeks, Lock In weekly. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

Scorecard5 real differences · 4 level
CompisCalculator Pro versus Lock In: the parameters behind the verdict, then further details
ParameterCompisCalculator ProLock In
PriceFreeFree
Rating5.0 (2 ratings) — better4.0 (3 ratings)
Number of ratings23 — better
Update frequencyEvery 3 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better17.0
Further details — not scored
Size3 MB59 MB
Age rating4+4+
DeveloperKarl NorelandMARCUS ALEXANDER DOMANN

Customer experience

CompisCalculator Pro

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Lock In

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%

In-app purchases

1 purchases

CompisCalculator Pro

One-time1
  • CompisCalculator premium$2.49
9 purchases

Lock In

Subscriptions6
  • Lock-In Premium$2.997 Days
  • Lock-In Premium$6.991 Month
  • Premium3 Days trial$17.991 Year
Show 3 more
  • Lock-In Premium3 Days trial$19.991 Year
  • Lock-In Premium$19.991 Year
  • Lock-In Premium3 Days trial$39.991 Year
One-time3
  • Lock In - Lifetime Access$19.99
  • Lock-In Premium Lifetime$24.99
  • Lock-In Premium Lifetime$49.99

Questions

Is CompisCalculator Pro free?
CompisCalculator Pro is free to download, with in-app purchases available.
Is Lock In free?
Lock In is free to download, with in-app purchases available.
Which has better reviews, CompisCalculator Pro or Lock In?
CompisCalculator Pro is rated higher. CompisCalculator Pro averages 5.0 out of 5 from 2 ratings, while Lock In averages 4.0 from 3 ratings.
Do CompisCalculator Pro or Lock In have ads?
Neither CompisCalculator Pro nor Lock In shows ads.
Which is updated more often, CompisCalculator Pro or Lock In?
CompisCalculator Pro ships an update every 3 weeks, and Lock In weekly. Most recently, CompisCalculator Pro was updated on September 29, 2026 and Lock In on September 28, 2026.

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