Report updated May 14, 2026
Time Duration Calculator
For professionals, students, and project managers requiring precise time interval tracking for events or work projects.
Time Duration Calculator is an established education app that is completely free. With a 2.8/5 rating from 16 reviews, it shows polarized user reception.
What is Time Duration Calculator?
Time Duration Calculator is an education-category utility app for calculating time intervals between two moments in time on iOS and Android.
Users hire this app to solve specific date-math problems without the interface bloat of scientific calculators, allowing for quick, task-specific duration tracking.
Current Momentum
v1.0 · 33mo ago
Zombie- No notable signals last 3 months.
Active Nemesis
Calculator⁼
By Impala Studios
Other Rivals
7-Day Rank Pulse 🇺🇸
EducationNo ranking data
Rating Pulse 🇺🇸
Recent User MoodAI-powered deep analysis surfacing high-signal insights. Still in beta, accuracy improves daily. For informational purposes only.
What makes this app unique?
What Does It Look Like?
How Is The App's Momentum Right Now?
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What Are The Key Features?
Calculates duration in years, months, days, hours, minutes, and seconds between two timestamps
Saves and retrieves past duration calculations for reference
Computes intervals across different time zones
How much does it cost?
- Free with ad support
Monetization relies on ad-inventory generated by free-tier usage as no paid or subscription tiers are present.
Who Built It?
婷婷 乔
Delivering a diverse ecosystem of high-utility mobile tools and engaging idle-simulation games for global users.
Portfolio
13
Apps
Who is 婷婷 乔?
Soul Box Studio maintains a distinct hybrid positioning, operating both as a community-focused utility provider and a high-velocity game publisher. Their moat is built on a data-driven R&D approach that allows them to scale niche developer tools alongside mass-market arcade titles. The primary strategic signal is their intense release cadence, suggesting a robust internal pipeline capable of sustaining a fragmented portfolio across more than ten distinct app categories.
Who is 婷婷 乔 for?
- Dual-segment audience consisting of mobile power users seeking specialized tools
- Casual gamers looking for idle or puzzle experiences
Portfolio momentum
With 76 releases in the last 6 months and over 70% of the portfolio currently active, the publisher maintains an exceptionally high development and maintenance frequency.
What other apps does 婷婷 乔 make?
What do users think recently?
Medium confidence · 15 reviews analyzed
How did the latest release land?
What is the recent mood?
Recent user voice shows a mixed sentiment.
Limited review volume (15 reviews). Sentiment analysis will deepen as more data lands.
What is the competitive landscape for Time Duration Calculator?
How's The Education Market?
Market outlook for this category
Available very soon
The rivals identified
The Nemesis
Head to Head
The target should pivot toward a 'niche-specialist' strategy, emphasizing superior accuracy and ease-of-use for time-specific tasks to avoid direct feature-parity battles.
What sets Time Duration Calculator apart
Specialized focus on time-duration logic provides a cleaner, less cluttered UX for specific date-math tasks.
Lightweight architecture avoids the bloat associated with multi-purpose scientific calculator suites.
What's Calculator⁼'s Edge
Massive scale and brand recognition create a default-choice status for general utility users.
Advanced feature set including currency conversion and scientific modes keeps users within their ecosystem longer.
Contenders
Provides step-by-step explanations that serve as a learning tool rather than just a calculation engine.
Integrates gamification elements like a simplification game to increase user engagement and retention.
Allows for deep UI customization with themes, creating a more personalized experience than our static interface.
Supports multiple history tapes, enabling users to manage several concurrent calculation projects simultaneously.
Supports unlimited precision arithmetic, a critical requirement for users performing complex, multi-step mathematical operations.
Features audible feedback, enhancing accessibility for users who prefer non-visual confirmation of their inputs.
Includes advanced math functions and paper tape history that our current version does not support.
Provides flexible output formats which cater to a more technical or academic user base.
Peers
Features a live age calculation display that updates in real-time, providing a more dynamic user experience.
Includes birthday celebration notifications, adding a social and engagement layer that our app lacks.
Includes dedicated event tracking features that allow users to save and monitor specific milestone dates.
Provides a more focused chronological age calculation workflow compared to our general duration tool.
Offers a completely ad-free experience which significantly improves user trust and long-term retention.
Provides specialized engineering units that cater to a professional demographic with higher willingness to pay.
Random Number • Generator
0Mehmet Bayram
This app occupies the same 'simple utility' space on user devices, competing for the same limited screen real estate.
Utilizes hardware triggers for true randomness, offering a technical advantage over standard software-based generators.
Includes speech synthesis features that provide a unique, hands-free interaction model for users.
New Kids on the Block
Prioritizes offline privacy and asset tracking, appealing to security-conscious users who avoid cloud-based calculators.
The outtake for Time Duration Calculator
Strengths to defend, gaps to attack
Core Strengths
- Specialized focus on time-duration logic provides a cleaner, less cluttered UX for specific date-math tasks.
Critical Frictions
- 2.6★ Android rating indicates poor user satisfaction.
- No paid tier limits revenue potential to ad-inventory.
Growth Levers
- Education partnerships offer an untapped B2B distribution channel for the time-interval calculation tool.
Market Threats
- Multi-purpose calculator suites with scientific modes and currency conversion drain the user base for general utility tools.
What are the next best moves?
Audit Android UI because 2.6★ rating indicates high user frustration → improve retention.
The Android rating is significantly lower than the iOS rating, suggesting specific UX or performance issues on the platform.
Trade-off: Pause the time-zone feature expansion — UX stability is the current priority for user retention.
A counter-intuitive read
The app's simplicity is its primary risk: maintenance-mode at the top of a niche utility category is more vulnerable to a single live-ops rival than a more complex app.
Feature Gaps vs Competitors
- Scientific mode (available in Calculator⁼ but absent here)
- Persistent history tape (available in Calculator⁼ but absent here)
Key Takeaways
The app provides a clean, specialized date-math utility, but it lacks the persistent history and scientific features that drive retention in the broader calculator category, so the PM should prioritize UX parity on Android to stem the rating decline.
Where Is It Heading?
Mixed Signals
The utility-calculator market is consolidating around multi-purpose suites that offer scientific and currency-conversion features. This app remains exposed due to its limited feature set, so long-term viability hinges on either establishing a unique B2B distribution channel or adding high-retention features like persistent history.
The 2.6-star Android rating indicates significant user dissatisfaction, which limits the app's ability to compete with higher-rated utility tools.
The app relies solely on ad-inventory, which restricts the budget for feature development needed to challenge established calculator suites.