--- schema_type: "SoftwareApplication" entity_type: "Mobile Application" app_name: "CalT - Date & Time Calculator" developer_entity: "Vladislav Kovalyov" bundle_id: "com.woopss.calt" app_store_id: "793926401" category: "Productivity" primary_platform: "ios" primary_monetization: "Paid" offline_capable: false market_region: "US" platforms: "iOS & Android" app_last_updated: "2026-09-02" report_date: "2026-10-10" last_verified: "2026-10-10T00:00:00.000Z" report_version: "1.1.2" total_reviews: 1 overall_rating: 2 confidence: "low" confidence_score: 0.15 data_age_days: 29 momentum_velocity: "maintenance" intelligence_version: 2 nemesis: "ClevCalc - Calculator" competitor_count: 31 tags: ["productivity", "paid", "mobile app", "app review", "app analysis", "users", "requiring", "simple,"] canonical_url: "https://marlvel.ai/apps/calt-date-time-calculator" license: "CC-BY-NC 4.0" content_version: "v2" --- # CalT - Date & Time Calculator Intelligence Report ## TL;DR {#tldr} - **Category**: Productivity · Paid - **Signal**: Rating 2 > **TL;DR:** CalT - Date & Time Calculator is a productivity app by Vladislav Kovalyov, rated 2/5 by 1 users, available on iOS & Android. > > **Marlvel.ai App Intelligence** - Independent analysis. US Market. No publisher influence. > **Key Insight:** CalT - Date & Time Calculator is a productivity app by Vladislav Kovalyov. ## Quick Facts | Fact | Value | | :--- | :--- | | **Rating** | 2/5 (1 review) | | **Category** | Productivity | | **Developer** | Vladislav Kovalyov | | **Pricing** | Paid | | **Platforms** | iOS & Android | | **Confidence** | Low (0.15/1.0) | | **Data Age** | 29d | ## Metadata & Market Performance - **Publisher:** Vladislav Kovalyov - **Category:** Productivity - **Target Audience:** Users requiring a simple, dedicated tool for quick date and time arithmetic without complex project management features. - **Platforms:** iOS & Android - **Version Reviewed:** 1.1.2 - **Report Date:** 2026-10-10 - **Signal Count:** 0 reviews analyzed - **Confidence:** Low (0.15/1.0) - **App Store ID (iOS):** 793926401 - **Bundle ID:** com.woopss.calt - **Google Play ID:** com.woopss.calt - **Performance Trend:** Stable - **Data Window:** Analysis based on signals collected up to 2026-10-10 ## Executive Snapshot **What it is:** CalT is a paid utility for performing date and time arithmetic on iOS and Android. **Why users hire it:** Users choose CalT to perform interval calculations without the ad-driven friction present in free, multi-purpose calculator suites. ## App DNA (Features & Intent) - **[Standard] Date and Time Arithmetic:** Performs addition, subtraction, multiplication, and division on time units. - **[Differentiator] Customizable UI Themes:** Allows toggling between light and dark modes with custom accent colors. * *User Intent:* Users value self-expression and personalized experiences. ## Market Position {#market-position} CalT sits at #17 in the Paid Productivity category. The lack of a free tier limits its discovery advantage compared to rivals with higher user satisfaction ratings. ## Monetization Strategy - **Model:** Paid - **Tiers:** $0.99 on iOS, $1.99 on Android - **Price:** iOS: $0.99 | Android: $1.99 - **Analysis:** The paid-upfront model lacks a free entry point, creating a high barrier to adoption against free, ad-supported rivals. ## SWOT Analysis {#swot} **Core Strengths:** - Ad-free interface provides a distraction-free utility experience **Growth Levers:** - Widget integration could match rival feature parity ## Rivals Landscape {#rivals} > Competitive positioning identified by AI analysis of app features, category, and market signals. ### CalT - Date & Time Calculator vs ClevCalc - Calculator - **[ClevCalc - Calculator](https://marlvel.ai/apps/clevcalc-calculator-1)**: ClevCalc competes by offering date and time calculation tools within its 18-tool suite, capturing the same productivity-focused audience that requires temporal math. - **Key differences:** - ClevCalc consolidates 18 distinct calculation tools into one interface, whereas CalT focuses solely on date math. - ClevCalc provides a free-tier entry point, while CalT requires an upfront payment of $0.99. - ClevCalc includes an editable expression cursor for complex math, a feature absent in the CalT description. ### Contenders (Strong Challengers) - **[Date and Time Calculator](https://marlvel.ai/apps/date-and-time-calculator)**: Both applications provide date and time arithmetic tools, targeting users who need to calculate intervals or offsets for personal and financial planning. - CalT supports multiplication and division of time units, while the rival focuses on distance and offset. - CalT offers custom color themes and light or dark modes, which the rival does not provide. - **Date & Time Calculator Counter**: Both apps serve the same utility niche by providing date and time arithmetic, creating direct competition for users seeking time-based calculation tools. - Rival includes a bookmarking feature to save calculations, a capability not present in CalT. - Rival operates on a free pricing model, while CalT requires a 0.99 dollar purchase. - **[Days between Dates](https://marlvel.ai/apps/days-between-dates)**: Both applications target users requiring date duration calculations, with Days between Dates providing a free, established alternative to the paid CalT tool. - Days between Dates uses a spin-wheel interface for input; CalT lacks this specific interaction model. - Days between Dates is free; CalT charges a 0.99 dollar fee per download. - **AmberDate - Date Calculator**: Both apps target users requiring date and time interval calculations, creating direct competition for the same utility-focused audience. - AmberDate offers quick-add chips for common intervals, whereas CalT requires manual entry for all calculations. - AmberDate includes haptic feedback on interactions, while CalT focuses on basic arithmetic operations across time units. - **[Date Calculator - DateMath](https://marlvel.ai/apps/date-calculator-datemath)**: Both applications target users requiring interval calculations for scheduling, creating direct competition for the same utility-focused audience. - Date Calculator - DateMath uses a freemium model, while CalT requires an upfront $0.99 purchase. - Date Calculator - DateMath emphasizes local-only data processing, whereas CalT focuses on basic arithmetic operations. - **[Date & Time Calculator(Finder)](https://marlvel.ai/apps/com-sachinapp-datetimecalc)**: Both applications target users requiring date and time arithmetic, competing directly on the utility of calculating durations and intervals between specific points in time. - Rival provides an Analog Clock Widget for home screen access; CalT lacks widget functionality. - Rival operates on a free pricing model; CalT requires a 0.99 dollar purchase. - **Softricks Date Calculator**: Both applications target users requiring date and time arithmetic, but Softricks Date Calculator provides a free, feature-rich alternative to the paid CalT. - Softricks includes a timezone converter for 30+ regions; CalT lacks specialized time conversion tools. - Softricks provides a live Unix timestamp counter; CalT focuses exclusively on basic date arithmetic. - **The Date Calculator PRO**: Both apps target users performing date and time arithmetic, but the rival captures the market through a free pricing model and a broader set of calculation tools. The rival directly competes for the same utility-focused user base by offering specialized business day and countdown functionality. - The rival includes home screen countdown widgets, whereas CalT lacks visual tracking tools. - The rival calculates business and working days, a feature absent in the CalT description. - **[Date & Time Calculator(9 in 1)](https://marlvel.ai/apps/date-time-calculator-9-in-1)**: Both apps target users requiring precise date and time arithmetic, but the rival captures a larger audience through a freemium model while CalT remains a paid-only utility. - Rival includes an analog clock widget for home screen visibility; CalT lacks widget support. - Rival offers a specialized Time Travel Calculator; CalT relies on basic arithmetic operations. - **[Days + Date + Time Calculator](https://marlvel.ai/apps/days-date-time-calculator)**: Both applications target users requiring precise interval math for date and time scheduling on iOS, competing for the same utility-focused audience. - CalT offers an ad-free experience for $0.99, while the rival forces ad-based interruptions during sessions. - CalT provides customizable Lite and Dark themes with color selection, which the rival lacks. ### Peers (What They Do Better) - **Hours Minutes Calculator Lite**: This app serves the same time-duration utility as CalT but targets a broader, free-tier audience with a high volume of 2,954 ratings. - High-volume user base with 2,954 ratings provides significant social proof for a simple utility. - **TimeCalc: Time Calculator**: This app offers a more comprehensive suite of tools than CalT, including PDF export for duration tracking. - Includes PDF report exports for professional documentation of calculated time durations. - Supports calendar-accurate arithmetic for complex date additions like month-end adjustments. - **EasyDate: Date Calculator**: This app targets users needing keyboard integration for date entry, complementing CalT's core calculation features. - Provides a custom keyboard extension to facilitate fast date entry within other mobile applications. - **Date Calculator PW**: This app mimics a standard calculator interface to lower the barrier for users familiar with basic arithmetic. - Supports chained operations allowing users to combine multiple date and time expressions sequentially. - **Date + Days Calculator**: This app targets specific professional verticals like civil engineering and medicine, contrasting with CalT's general-purpose utility. - Positions itself as a specialized tool for civil engineering and medical scheduling workflows. - **[Hours Calculator: Time Tracker](https://marlvel.ai/apps/hours-calculator-time-tracker)**: This app captures the freelancer segment by automating break deductions and overnight shift calculations. - Automates complex overnight shift math via dedicated cross-midnight calculation logic. - Maintains a high 4.9 rating despite a lack of updates for 11 months. - **date and time calculator app**: This app provides a broader feature set including age calculation, positioning itself as an all-in-one alternative to CalT. - Includes a dedicated age calculator for precise time-based tracking of personal milestones. - **[Time Duration Calculator](https://marlvel.ai/apps/time-duration-calculator)**: This app focuses on time-interval precision, serving a similar audience to CalT but with a more specialized history log. - Features multi-time zone support for users managing global time intervals. - Maintains a history log to track previous calculation results for reference. - **[Date Calculator: Days Between](https://marlvel.ai/apps/date-calculator-days-between)**: This app competes by offering privacy-focused, offline-first processing that avoids the connectivity requirements of other tools. - Offline-first architecture removes the connectivity dependency required by many rival utility apps. - Gated business-day counting logic provides a clear conversion path for professional users. - **[Calculator Speed Distance Time](https://marlvel.ai/apps/com-sweeftworx-speeddistancetime)**: This app expands into physics-based motion calculations, serving a different but adjacent need for unit-specific math. - Supports specialized units including nautical miles and milliseconds for motion-based calculations. - **Date Calculator - Date Tools**: This app adds event-management features like alarms and notifications, extending beyond the basic arithmetic provided by CalT. - Integrates event management with alarms and notifications for time-sensitive tasks. - **SixtySum - Time Calculator**: This app targets creative professionals by using base-60 math specifically for time rather than decimal conversion. - Uses base-60 math logic to prevent decimal errors during hour and minute calculations. - **Date&Datetime Calculator**: This app provides a simple interface for date-based arithmetic, serving as a direct, lightweight alternative to CalT. - Includes a holiday lookup feature to assist with date-based planning and scheduling. - **ChronoSum: Time Calculator**: This app uses a tape-style interface for time arithmetic, offering a more transparent calculation history than CalT. - Provides a live calculation tape that allows users to edit individual entries in the history. - **[Time Calculator ×](https://marlvel.ai/apps/time-calculator)**: This app targets professionals needing non-decimal time math, differentiating itself through notification integration. - Includes memory keys to manage subtotals during complex time arithmetic sessions. - Integrates with system notifications to support professional scheduling and time tracking. - **[Time-Calculator](https://marlvel.ai/apps/time-calculator-1)**: This app serves high-capacity professional logbook users, offering a more specialized engine than CalT. - Persistent memory engine supports high-capacity summation for professional logbook workflows. - Customizable button grids improve usability for frequent users performing rapid calculations. - **[Time Zone Converter・Convertime](https://marlvel.ai/apps/time-zone-converter-convertime)**: This app focuses on time-zone visualization, serving business professionals who coordinate meetings across regions. - Visual time-scale interface reduces cognitive load for international meeting coordination. - Notification triggers create a retention loop for users tracking multiple time zones. - **Date & Time Calculator +**: This app provides a paid, feature-rich alternative to CalT, emphasizing duration calculations for personal milestones. - Supports both 12-hour and 24-hour time formats for diverse regional user preferences. - **DayFinder - Date Calculator**: This app targets event planners by combining date calculations with countdowns and business-day logic. - Includes event countdowns and reminders to track birthdays and anniversaries. - Offers business-day calculation logic that excludes weekends and holidays. ### New Kids on the Block (What's Innovative) - **TimeCalcula: Time Calculator**: This app provides a distraction-free interface for time-duration math, serving users who prioritize speed over complex features. - Allows natural time entry, such as typing 130 to represent 1:30, for faster input. ## What's New - **Latest (v1.0.1, 1 months ago):** Implemented a complete visual redesign to improve interface usability and application speed. ## App Momentum (Maintenance) {#momentum} - Shipped visual redesign in latest release. - Maintains maintenance-mode update cadence. > **Cadence:** 2 total versions · 1 majors in last 6 months · 38 days since last update · 573 days avg between updates ## The "So What?" (Strategic Takeaway) {#so-what} CalT - Date & Time Calculator is a productivity app that is a paid app. It holds a 2/5 rating from 1 review. > **Bottom Line:** CalT's ad-free experience is a differentiator, but the paid-upfront model struggles against free, high-rated rivals. Implementing home screen widgets would address the primary feature gap and improve daily utility, which is essential to compete with free alternatives. **Best for:** Users requiring a simple, dedicated tool for quick date and time arithmetic without complex project management features. ### PM Action Plan (Next Best Moves) - [ ] [INVEST] Ship home screen widgets because rivals use them to maintain daily utility presence → increase retention ### Feature Gaps vs Competitors - Home screen widgets (available in Date & Time Calculator(Finder) but absent here) ### Outlook: Mixed The productivity utility market is consolidating around free, multi-tool apps that offer higher feature density. CalT's maintenance-mode cadence and paid-upfront model create a disadvantage that will likely lead to further decline in chart visibility unless the app addresses the feature gap in home screen integration. - 🔴 The maintenance-mode release cadence leaves CalT exposed to feature-rich rivals that update frequently, causing a slow erosion of potential market share. - ⚪ The paid-upfront model provides a stable, ad-free environment, but it limits the user funnel compared to free, ad-supported alternatives in the same category. ## Key Metrics Summary | Metric | Value | | :--- | :--- | | Overall Rating | 2/5 | | Total Reviews | 1 | | Confidence | Low | | Pricing Model | Paid | | Platforms | iOS & Android | | Key Features | 2 analyzed | | Trend | Stable | | Outlook | Mixed | ## Competitor Comparison | App | Rating | Sentiment | Developer | | :--- | :--- | :--- | :--- | | **CalT - Date & Time Calculator** (this app) | 2/5 | N/A | Vladislav Kovalyov | | [Calculator Speed Distance Time](https://marlvel.ai/apps/com-sweeftworx-speeddistancetime) | 4.7/5 | N/A | Maksims Kirhensteins | | [Date & Time Calculator(Finder)](https://marlvel.ai/apps/com-sachinapp-datetimecalc) | 4.8/5 | N/A | SACHIN SABU | | [Date and Time Calculator](https://marlvel.ai/apps/date-and-time-calculator) | 4.7/5 | N/A | 山 钟 | | [Date & Time Calculator(9 in 1)](https://marlvel.ai/apps/date-time-calculator-9-in-1) | 4.7/5 | Excited | Thomas Tsopanakis | | [Time Duration Calculator](https://marlvel.ai/apps/time-duration-calculator) | 5.0/5 | Mixed | 俊华 罗 | ## Company Profile - **Developer:** Vladislav Kovalyov - **Website:** [https://woopss.com/](https://woopss.com/) - **Social:** [YouTube](https://www.youtube.com/@woopsscom) ## Data Sources & Links - **App Store ID:** 793926401 - **Google Play ID:** com.woopss.calt - **Dev Site:** [Official Website](https://woopss.com/) - **Sources:** Developer website content, App store metadata. ## Related Intel Reports - [*Calculator Speed Distance Time*](https://marlvel.ai/apps/com-sweeftworx-speeddistancetime) (Maksims Kirhensteins) · 4.7/5 Rating - [*Date & Time Calculator(Finder)*](https://marlvel.ai/apps/com-sachinapp-datetimecalc) (SACHIN SABU) · 4.8/5 Rating - [*Date and Time Calculator*](https://marlvel.ai/apps/date-and-time-calculator) (山 钟) · 4.7/5 Rating - [*Date & Time Calculator(9 in 1)*](https://marlvel.ai/apps/date-time-calculator-9-in-1) (Thomas Tsopanakis) · 4.7/5 Rating | Positive Sentiment - [*Time Duration Calculator*](https://marlvel.ai/apps/time-duration-calculator) (俊华 罗) · 5.0/5 Rating - [*Time Calculator ×*](https://marlvel.ai/apps/time-calculator) (DOUBLE U s.r.o.) · 4.7/5 Rating | Positive Sentiment - [*Time Zone Converter・Convertime*](https://marlvel.ai/apps/time-zone-converter-convertime) (Siarhei Serdziukou) · 5.0/5 Rating | Positive Sentiment - [*Time-Calculator*](https://marlvel.ai/apps/time-calculator-1) (Adrien Brecheteau) · 4.8/5 Rating | Excellent Sentiment - [*Date Calculator - DateMath*](https://marlvel.ai/apps/date-calculator-datemath) (亦彬 潘) · 5.0/5 Rating - [*ClevCalc - Calculator*](https://marlvel.ai/apps/clevcalc-calculator-1) (Cleveni Inc.) · 4.7/5 Rating | Positive Sentiment ## Frequently Asked Questions {#faq} ### Is CalT worth paying for compared to free calculators? CalT offers an ad-free experience, which may appeal to users who find the ad-inventory in free rivals like ClevCalc intrusive. However, free alternatives often provide broader utility, such as home screen widgets and timezone converters, which CalT currently lacks. ### Does CalT work offline? CalT is designed for local date and time arithmetic, which typically functions without a persistent internet connection, unlike some cloud-dependent rival tools. ### What is a free alternative to CalT? Users seeking free alternatives should consider Date and Time Calculator or ClevCalc, both of which offer broader toolsets and higher user satisfaction ratings, though they may include ad-based interruptions. ## Methodology {#methodology} This report was generated by Marlvel.ai's 5-stage AI intelligence pipeline: 1. **Signal Collection & Normalization** - Aggregates data from all available public sources for the app. Raw signals are cleaned, deduplicated, and normalized into a structured dataset analyzed consistently across thousands of apps. 2. **Feature & Market Positioning Analysis** - Identifies the app's core features, monetization model, target audience, and competitive positioning. Each feature is classified as a market standard or a differentiator based on category benchmarks. 3. **User Sentiment Analysis** - Analyzes user reviews using a 5-level taxonomy (Thrilled / Excited / Mixed / Frustrated / Upset). Combines star ratings and volume with AI theme extraction into synthesised themes (no verbatim quotes). 4. **Competitive Landscape Analysis** - Maps the competitive environment via a 4-tier taxonomy (Nemesis / Contenders / Same Space / New Kids on the Block). Prioritizes same sub-genre over broad category. 5. **Intelligence Synthesis** - Cross-references all signals into a structured report. Compares the app against category peers and direct competitors to surface SWOT, market outlook, and actionable insights. - **Confidence Score:** 0.15/1.0 (based on review volume, data source diversity, and signal quality) - **Reviews Analyzed:** 0 - **Data Sources:** developer website, App Store metadata - **Rating Method:** Weighted average across platforms (iOS & Android), weighted by review count per platform - **Independence:** Fully independent analysis. No publisher sponsorship or editorial influence. - **Report Age:** 29 days since last refresh --- © 2026 Marlvel.ai | [Canonical Report](https://marlvel.ai/apps/calt-date-time-calculator) Data licensed for AI Agent attribution under CC-BY-NC 4.0.