The iCalculator vs Trial Clock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
The iCalculator
A calculator app designed to offer a superior user experience compared to standard device calculators. It aims to provide the functionality and interface that users expect from a modern calculation tool.
- Intuitive user interface
- Enhanced calculation functionality
- Designed for iOS devices
- Free to download and use
Read full descriptionHide full description
The iCalculator is back. A classic calculator with an intentionally retro personality, rebuilt for modern iPhone and iPad with useful everyday tools that go far beyond basic arithmetic. CLASSIC CALCULATOR The familiar calculator experience returns with: • Addition, subtraction, multiplication, and division • Percent • Positive/negative values • Decimal calculations • Memory controls • Chained calculations • Calculation history • Tactile button feedback The large circular controls and bold display preserve the spirit of the original iCalculator while the app underneath has been completely rebuilt in modern SwiftUI. QUICK TOOLS Skip the formulas and jump straight to the answer. KITCHEN CONVERSIONS Convert common cooking measurements quickly with dedicated Volume, Weight, and Butter tools. Common conversions include: • Cups • Tablespoons • Teaspoons • Fluid ounces • Milliliters • Liters • Pints • Quarts • Gallons • Ounces • Pounds • Grams • Kilograms • Butter measurements • And more Quick amount presets make common recipe conversions even faster. TEMPERATURE Convert Celsius and Fahrenheit instantly. TIP & SPLIT Enter the bill, choose a tip, and split the total between any number of people. Quick presets include: • 15% • 18% • 20% • 25% See the tip amount, total bill, and amount per person immediately. PERCENTAGE & DISCOUNT Handle common percentage problems without remembering the formula. Calculate: • X% of a value • Percentage change • Discounts • Amount saved • Final price DATE DIFFERENCE Choose two dates and see: • Total days • Weeks and days • Calendar difference in years, months, and days FUEL ECONOMY & TRIP COST Estimate fuel use and trip cost using: • MPG • L/100 km • Trip distance • Fuel economy • Fuel price HISTORY Review previous calculator operations, reuse results, delete individual entries, or clear the history when you are finished. MADE FOR IPHONE AND IPAD The iCalculator adapts to iPhone and iPad while preserving its distinctive retro calculator design. ENGLISH & SPANISH The full interface is available in English and Spanish. Calculation history and preferences stay local to your device. The iCalculator combines the personality of the original app with practical everyday tools designed to help you get an answer quickly.
Trial Clock
Read full descriptionHide full description
Trial Clock helps you keep track of free trials, renewal dates, and upcoming bills in one place. Set reminders before a deadline and keep account-management links handy so you can decide what to keep or cancel. FREE TRIAL TRACKING • Track free trials and one-time deadlines. • Choose multiple reminders from 1 to 14 days before a deadline. • Save prices, notes, and cancellation links. • Open Apple’s subscription-management page for App Store purchases. • See upcoming deadlines in Home Screen widgets. • Export your entries. TRIALCLOCK PRO — ONE-TIME PURCHASE • Add recurring subscriptions billed weekly, monthly, quarterly, or yearly. • Track Apple subscriptions and services billed directly by a provider. • See estimated monthly and annual spending, with currencies shown separately. • View upcoming bills on a calendar. • Organize subscriptions by payment-card nickname and optional last four digits. Trial tracking and trial reminders remain free. Pro is an optional, non-consumable purchase with no recurring fee. Restore your Pro purchase using the same Apple Account. Your entries are stored on your device, and reminders are scheduled locally. No app account is required. Billing dates, prices, and card labels are entered manually. Trial Clock does not connect to your bank, automatically import Apple subscriptions, verify charges, or cancel subscriptions for you. Complete cancellations with Apple or the service provider. Existing entries remain available when you update. Trial deadlines only become recurring subscriptions when you choose to convert them.
Screenshots
Verdict
The clearest difference is price: Trial Clock at Free against The iCalculator's $0.99. Trial Clock also leads on update cadence (weekly vs every 76 months). On ads, 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
Trial Clock is free to download; The iCalculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
The iCalculator ships an update every 76 months, Trial Clock weekly. The most recent releases landed on October 16, 2026 and October 19, 2026 respectively.
| Parameter | The iCalculator | Trial Clock |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 76 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 | 17.0 — better |
| Further details — not scored | ||
| Size | 12 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | HELM Coders LLC | BRADFORD MICHAEL LINDLEY |
In-app purchases
The iCalculator
No in-app purchases
Trial Clock
No in-app purchases
Questions
Is The iCalculator free?
Is Trial Clock free?
Do The iCalculator or Trial Clock have ads?
Which is updated more often, The iCalculator or Trial Clock?
Other comparisons















