Comparison

Big Timer vs Simple Calculator

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

Head to head
About

Big Timer

Features
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Big Timer: Minimalist Large Digit Focus & Countdown Timer Looking for a clean, distraction-free timer with massive, easy-to-read digits across the room? Big Timer is designed with an ultra-minimalist full-screen interface featuring high-contrast extra-large numbers. Whether you are conducting a keynote presentation, studying with the Pomodoro technique, timing high-intensity interval workouts, cooking in the kitchen, or practicing meditation, Big Timer keeps your time perfectly visible at a glance. How to Use 1. Set Time: Tap the big display to quickly adjust minutes and seconds with the smooth wheel selector. 2. Mode Selection: Toggle effortlessly between Countdown mode for timed tasks and Count-Up Stopwatch mode for track sessions. 3. Start & Pause: Single-tap anywhere to start or pause the timer instantly. 4. Auto-Theme Matching: Enjoy 8 purpose-driven color themes automatically matched to your activity (Focus, Workout, Cooking, Presentation, Meditation, Deadline, Break, General). Key Features - Extra Large High-Contrast Display: Huge digital numbers designed for maximum legibility from any distance. - Dual Timer Modes: Supports both Countdown Timer and Count-Up Stopwatch functions. - 8 Purpose-Driven Dynamic Themes: Beautiful color palettes tailored for Focus (Blue), Workout (Green), Cooking (Orange), Presentation (Purple), Meditation (Cyan), Deadline (Red), Break (Lime), and General (Slate). - Keep Screen On (Wakelock): Prevents your display from sleeping or dimming automatically during important timer sessions. - Audio & Haptic Feedback: Optional pleasant completion sound and vibration alerts when your session finishes. - Lightweight & Privacy-Focused: Operates 100% locally on your device with instant responsiveness. Recommended For - Students and professionals using the Pomodoro technique for deep focus and study sessions. - Speakers, teachers, and presenters keeping track of talk duration and speech deadlines. - Fitness enthusiasts, coaches, and athletes timing gym workouts, HIIT, and interval training. - Home cooks needing a clear kitchen timer visible from across the room. - Anyone seeking a clean, uncluttered desk clock and timer experience. Download Big Timer today and enjoy a beautifully clear, large-digit focus timer!

About

Simple Calculator

Features
Read full description

A calculator designed for everyday use โ€” simple, fast, and reliable. No distractions. Just the calculations you need. Practical Calculator focuses on what really matters in daily situations like shopping. By eliminating unnecessary features, it ensures a smooth and error-free experience every time you use it. Key Features - Minimal and focused Only essential functions are included. No clutter, no confusion. - No accidental mode switching It will never turn into a scientific calculator or change behavior unexpectedly. You always get the same, predictable experience. - Built-in calculation history Displays the last 5 calculations (expressions and results). No need for memory buttons or extra steps to keep track of results. - Intuitive interface Clean and easy to use for anyone, right away. Perfect for - Quick calculations while shopping - Users who want simplicity over complexity - Anyone tired of overcomplicated calculator apps

Screenshots

Big Timer4 screens
Simple Calculator4 screens

Verdict

The call

The clearest difference is in-app purchases: Big Timer at none against Simple Calculator's 2. Big Timer also leads on iOS requirement (13.0 vs 15.0). Simple Calculator's advantage is update cadence (every 3 weeks vs every 7 months). On price, ads and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Simple Calculator sells 2 one-off in-app purchases. Big Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Big Timer ships an update every 7 months, Simple Calculator every 3 weeks. The most recent releases landed on September 25, 2026 and September 20, 2026 respectively.

Scorecard3 real differences ยท 3 level
Big Timer versus Simple Calculator: the parameters behind the verdict, then further details
ParameterBig TimerSimple Calculator
PriceFreeFree
Update frequencyEvery 7 monthsEvery 3 weeks โ€” better
AdsYesYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 โ€” better15.0
Further details โ€” not scored
Size33 MB9 MB
Age rating4+4+
DeveloperSeulki EomTakao Ichimura

In-app purchases

None

Big Timer

No in-app purchases

2 purchases

Simple Calculator

One-time2
  • Remove Ads$1.99
  • Remove Ads + Support$2.99

Questions

Is Big Timer free?
Big Timer is free to download, with no in-app purchases.
Is Simple Calculator free?
Simple Calculator is free to download, with in-app purchases available.
Do Big Timer or Simple Calculator have ads?
Both Big Timer and Simple Calculator show ads.
Which is updated more often, Big Timer or Simple Calculator?
Big Timer ships an update every 7 months, and Simple Calculator every 3 weeks. Most recently, Big Timer was updated on September 25, 2026 and Simple Calculator on September 20, 2026.

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