Runner's Calculator, Converter is a specialized pace and energy expenditure tool for runners on iOS, providing simultaneous unit conversion and race-planning calculations.
The App DNA
What makes this app unique?
The app removes the cognitive friction of manual unit toggling during race planning, serving runners who need instant, multi-format data translation.
For Runners and walkers seeking tools for pace conversion, race planning, and energy expenditure tracking.
What does it look like?
Key features
Calculates all metric and imperial running values at once upon entering a single data point.
Estimates energy consumption using scientific models based on running or walking activity.
Computes negative splits for race planning to assist with performance goal setting.
How much does it cost?
The app is currently free to use with no visible subscription or IAP gates, prioritizing user acquisition over immediate monetization.
Velocity
Dormant developmentnew contentShow more...
Runner's Calculator, Converter has been inactive for 1,720 days, placing it firmly in the zombie category. The development momentum has completely stalled, with no feature updates or maintenance patches recorded in over four years. The last known update introduced calorie tracking functionality, but the lack of subsequent activity indicates the project is no longer being actively supported.
Who built it?
Joakim Kungsman
3 apps tracked · Health & Fitness
Bake: Baking Converter & Timer
BPM: Metronome & Tempo CounterUser Sentiment
What do users think recently?
How are ratings & reviews evolving?
Not enough recent reviews to extract reliable themes yet.
Read the full review analysisCompetition
Competitive landscape for Runner's Calculator, Converter
How's the Health & Fitness market?
Runner's Calculator, Converter occupies a utility-focused niche in the Health & Fitness category, maintaining a 4.8-star rating across 47 reviews. The lack of recent updates since 2022 suggests a stable, legacy-utility position rather than a growth-oriented market play.
Read the market outlookThe rivals identified
Unlock the deeper market read.
Access the full report for freeThe Analyst's Read
Key takeaways for Runner's Calculator, Converter
Where is it heading?
The fitness utility market is consolidating around integrated ecosystems, leaving standalone tools like Runner's Calculator, Converter in a vulnerable position. Without a pivot to a modern monetization or feature-expansion model, the app risks gradual displacement by more active, platform-integrated competitors.
- The four-year development gap suggests a maintenance-only posture, which limits the ability to respond to shifting user expectations in fitness tracking.
- The stable 4.8-star rating indicates the core conversion utility remains highly valued by the current user base despite the lack of updates.
The SWOT
- Simultaneous conversion engine reduces data-entry friction
- Scientific calorie-estimation models provide utility-first value
- Introduce premium analytics tier to monetize the existing user base
- Integrate with modern health platforms to increase session utility
Next best moves
Audit current user base for willingness-to-pay because the app is currently free with no monetization gates → unlock revenue potential
+ 1 more prioritized moveThe counter-intuitive read
The lack of updates is not a failure but a feature…
Read the full takeBottom line
Runner's Calculator, Converter relies on a high-utility conversion engine that retains users, but the four-year development silence leaves the product vulnerable to modern, active competitors. Validating a monetization model would unlock value from the existing user base.
Unlock 2 critical frictions, 2 market threats, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
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