Units is a free, customizable unit and currency converter for iOS, designed for professionals who need a streamlined, ad-free workflow.
The App DNA
What makes this app unique?
The app removes the cognitive friction of navigating hundreds of irrelevant units by allowing users to hide unused categories and reorder their workspace.
For General users and professionals requiring a fast, customizable tool for unit and currency conversions across mobile devices.
What does it look like?
Key features
Calculates conversions across 800 units and 43 categories.
Converts between 88 currencies using daily updated exchange rates.
Allows users to hide unused units and reorder categories to maintain a streamlined conversion workflow.
Optional user-initiated payment for bonus icons, serving as the sole revenue mechanism.
How much does it cost?
The app operates on a fully free model with no subscriptions or ads, relying on voluntary user contributions for revenue.
Velocity
Dormant developmentmonetizationUX improvementsShow more...
Units - Pro Unit Converter has been inactive for 817 days, placing it firmly in the zombie category. The latest release focused on transitioning the app to a free model, removing the ruler tool, and adding Dynamic Type support. There has been no development activity or feature updates since that time, indicating the project is no longer being actively maintained.
Who built it?
User 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 Units - Pro Unit Converter
How's the Utilities market?
Units holds a niche position as a zero-cost, ad-free utility for iOS, though its lack of updates for over 818 days limits its competitive standing against actively maintained rivals.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Units - Pro Unit Converter
Where is it heading?
The utility category is consolidating around apps with frequent update cadences and modern monetization models. Units is currently exposed due to its long-term development freeze, which will likely result in a loss of search visibility and user trust as the app becomes technically outdated.
- The 818-day gap since the last update indicates a total cessation of development, which will lead to compatibility issues with future iOS versions.
The SWOT
- Customizable unit-hiding workflow sustains a clean, professional conversion environment
- Implementing a premium tier for advanced features could fund a return to active development
Next best moves
Pivot to a freemium model because current voluntary contributions fail to fund development → unlock sustainable feature growth
The counter-intuitive read
The app's lack of monetization is its primary weakness, not a differentiator…
Read the full takeSince the last report: The app's outlook has downgraded from stable to declining, as the multi-year development freeze is now identified as a critical risk to search visibility and technical viability. The strategic focus has shifted from maintenance to a proposed pivot toward a freemium model.
Bottom line
The current maintenance-only posture is unsustainable, as the lack of updates for over two years invites technical obsolescence that will eventually erode the user base. A pivot to a sustainable revenue model is required to fund the development necessary to remain competitive.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeFAQ
Is Units free to use?
Does Units work offline?
How does Units compare to other converters?
Sources
Report last updated