Time Calculator × is a utility app for iOS and Android that performs mathematical operations on time values without decimal conversion.
Product velocity
Maintenance
Daily rank 🇺🇸
—
Utilities
Sentiment
4.6
2k reviews
Nemesis
Calculator +
The App DNA
What makes this app unique?
Users hire this app to eliminate manual paper-and-pen work-hour calculations, serving professionals and individuals who need non-decimal time math.
For Professionals tracking work hours and individuals managing daily errands who require non-decimal time math.
Key features
Mathematical operations on time values without decimal conversion.
Dedicated keys for saving and adjusting subtotals.
Ability to create system notifications from results.
How much does it cost?
Monetization relies entirely on ad-inventory generated by free-tier usage.
Velocity
Maintenance developmentUX improvementsnew contentShow more...
The app exhibits a maintenance-level cadence, with only two releases identified over a period exceeding 12 months. The latest release introduced a new calculation mode, indicating occasional feature development rather than a consistent update cycle. Development appears sporadic, with significant gaps between the most recent iOS update and the prior Android release. There is no evidence of a live-ops strategy or high-frequency feature deployment.
Who built it?
DOUBLE U s.r.o.
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Contact Lenses TrackerUser Sentiment
What do users think recently?
Review voice lately leans excited. Users appreciate simplified time math calculations allow users to manage work schedules and logbooks without manual conversion, but report aggressive advertising and subscription renewal issues disrupt the user experience for those who paid for ad removal.
How are ratings & reviews evolving?
What users say, by theme
- Simplified time math calculations allow users to manage work schedules and logbooks without manual conversion
- Aggressive advertising and subscription renewal issues disrupt the user experience for those who paid for ad removal
74 of 74 recent reviews analyzed · high confidence · Excited overall
Read the full review analysisUnlock 1 user request, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Time Calculator ×
How's the Utilities market?
The app maintains a 4.68-star rating on iOS and 4.64 on Android, but the lack of floating-window support compared to peers like Calculator limits its utility for power users.
Read the market outlookThe rivals identified
By xNeat.com
This app is the primary nemesis due to its massive scale and comprehensive suite of advanced mathematical tools that directly compete for the attention of power users.
- Offers advanced graphing and scientific solvers that exceed this app's basic time-arithmetic focus
- Maintains a massive user base and brand recognition that creates a significant barrier to entry
Dash Calc: Simple Fast MathContender
CalculatorContender
Calculator HD++Contender
Basic Calculator: Classic CalcContenderUnlock the head-to-head verdict: where this rival wins, and where it loses.
Access the full report for freeThe Analyst's Read
Key takeaways for Time Calculator ×
Where is it heading?
The utility market is consolidating around multi-tool suites, leaving specialized apps like Time Calculator × exposed if they cannot solve basic reliability issues. The app must stabilize its monetization to prevent churn before it can compete on feature parity.
- Ad-removal bugs persist in the latest version, which directly erodes the paid-user trust and increases refund requests.
- The latest release added notification creation, showing active feature investment rather than maintenance mode.
The SWOT
- Specialized interface avoids feature bloat
- Memory keys enable subtotal management
- Notification integration supports professional scheduling
- Education-sector partnerships for time-tracking tools
- Wearable integration for quick-math access
Next best moves
Audit ad-removal logic because users report ads persist after payment → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The app's lack of general-purpose features is its primary strength…
Read the full takeFeature gaps
Floating calculator window (available in Calculator) +1
Since the last report: The app's competitive outlook shifted to mixed due to persistent ad-removal failures, prompting a strategic pivot toward revenue-integrity and iPad-native multitasking.
Bottom line
Time Calculator × succeeds by specializing in time-math, but the ad-removal bug creates a critical trust gap, so the PM must prioritize revenue-integrity before expanding features.
Unlock 3 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeFAQ
Is Time Calculator × good for work hour tracking?
How does Time Calculator × compare to general calculators?
Are there ads in the paid version?
What is a good alternative for multi-app math?
Sources
Report last updated