Big Clock vs Calc ± Smart Widgets
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Big Clock
This utility app displays the current day, time, and date in a large, full-screen digital format. It offers customization options for clock digit color and includes integrated alarm, timer, and stopwatch functionalities with advanced settings like repetition and lap tracking.
- Full-screen digital clock display
- Customizable digit colors
- Multiple alarm settings
- Countdown timer
- Stopwatch with lap feature
- Display day and date
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Big Clock: The Ultimate High-Visibility Digital Display. Never struggle to read the time again. Big Digital Clock transforms your entire screen into a massive, crystal-clear time hub. Whether you need a reliable bedside clock for your nightstand or a giant countdown timer for the gym, our app delivers maximum visibility with a minimalist touch. WHY USERS LOVE BIG CLOCK: The Biggest Display: A true full-screen experience designed for visibility from across the room. Aesthetic Themes: Personalize your display with vibrant neon colors and high-contrast glow effects. Precision Tools: Includes a high-contrast Stopwatch with Laps and a Countdown Timer for workouts or study sessions. Smart Nightstand Alarms: Set multiple alarms with custom snooze, repetition, and loud wake-up tones. KEY FEATURES: 12/24 Hour Toggle: Switch formats instantly to suit your preference. Full Customization: Use the professional color picker to match your room’s aesthetic. Stay Punctual: A simple, distraction-free interface that stays active while you work or sleep. Stay punctual with the most readable clock on the App Store. Download Big Digital Clock today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Calc ± Smart Widgets
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Calc ± Smart Widgets One app. Every calculation. Calc replaces a dozen single-purpose apps with 25+ beautifully designed calculators and converters — all one tap away. WHY PEOPLE LOVE CALC - Everything in one place — no more switching between apps - Clean, distraction-free design that's a joy to use - Interactive home screen widgets for instant answers - Works beautifully on both iPhone and iPad - Choose your number format: Indian (10,00,000), Western, European, or East Asian FINANCE CALCULATORS - EMI Calculator — plan loans with confidence - SIP Calculator — project your investment growth - GST Calculator — add or subtract tax instantly - VAT Calculator — quick tax breakdowns - Percentage, Discount & Tip calculators for everyday math SMART CONVERTERS - Currency Converter with live rates - Length, Weight, Volume, Area & Temperature - Speed, Pressure, Energy, Force & Power - Number systems — Binary, Octal, Decimal, Hexadecimal - Timezones & Data storage units MADE FOR YOUR WORKFLOW - Pick your default tool — open straight into the calculator you use most - Set default units once, convert faster forever - Sound & haptic feedback you can toggle - Optimized sidebar navigation on iPad GO PRO Unlock all calculators, premium interactive widgets, and calculation history with Calc Pro. Start with a free trial — cancel anytime. Whether you're planning a loan, splitting a bill, converting units for work, or checking exchange rates before a trip — Calc gives you the answer in seconds. Download Calc today and carry every calculator in your pocket. If you face any technical challenges or have any suggestions or feedback, Feel free to contact us at info@hkinfoway.com . Privacy Policy: https://calc.wallzy.app/privacy-policy
Screenshots
Verdict
The clearest difference is ads: Calc ± Smart Widgets at none against Big Clock's shown. Calc ± Smart Widgets also leads on update cadence (daily vs every 3 months). On price, in-app purchases, device support and iOS requirement 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. Big Clock sells 3 in-app purchases, starting at $4.99 per 7 days and Calc ± Smart Widgets sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Big Clock ships an update every 3 months, Calc ± Smart Widgets daily. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.
| Parameter | Big Clock | Calc ± Smart Widgets |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (4 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months | Daily — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 | 17.0 — better |
| Further details — not scored | ||
| Size | 66 MB | 55 MB |
| Age rating | 4+ | +4 |
| Developer | Kevin Ghori | HKinfoway Technologies |
In-app purchases
Big Clock
- Big Digital Clock Weekly Plan$4.997 Days
- Big Digital Clock Monthly Plan$9.991 Month
- Big Digital Clock Yearly Plan$49.991 Year
Calc ± Smart Widgets
- Calc ± Pro Monthly3 Days trial$1.991 Month
- Calc ± Pro Yearly14 Days trial$12.991 Year
Questions
Is Big Clock free?
Is Calc ± Smart Widgets free?
Do Big Clock or Calc ± Smart Widgets have ads?
Which is updated more often, Big Clock or Calc ± Smart Widgets?
Other comparisons
