Percentage Calculator - Per100 is a utility app for iOS providing quick financial math tools like tip and tax calculators.
The App DNA
What makes this app unique?
Users hire this app for low-friction, ad-free percentage math during shopping or dining, avoiding the complexity of full-scale financial suites.
For Everyday users requiring quick financial math for shopping, dining, and personal budgeting.
What does it look like?
Key features
Calculates percentage increases, decreases, and variations for financial or shopping tasks.
Dedicated interface for calculating gratuity amounts during dining.
Tool for estimating tax-inclusive or tax-exclusive values during shopping.
How much does it cost?
The app is distributed as a free utility with no visible subscription or in-app purchase gates.
Velocity
Dormant developmentopaqueShow more...
The app has not received a feature update or bug fix in 428 days, placing it well beyond the threshold for active development. With no release activity in over a year, the development momentum is classified as dormant. The last available update provided only generic bug fixes, and there is no evidence of ongoing support or operational activity.
Who built it?
Nicolas Vergoz
3 apps tracked · Utilities
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Redacto - Word MysteryUser 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 Percentage Calculator - Per100
How's the Utilities market?
Percentage Calculator - Per100 maintains a 5-star rating across 8 reviews, but the 14-month update gap (last release June 2025) limits its competitive relevance against frequently updated utilities.
Read the market outlookThe rivals identified
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Access the full report for freeThe Analyst's Read
Key takeaways for Percentage Calculator - Per100
Where is it heading?
The utility market is consolidating around apps with frequent feature updates and modern monetization models. Percentage Calculator - Per100 remains stable due to its ad-free value, but it will likely lose ground to rivals that ship regular improvements, so the PM must signal active maintenance to retain the user base.
- The 14-month update gap indicates the app is in maintenance mode, which limits its ability to grow against active competitors.
The SWOT
- Clean, ad-free interface reduces friction for quick, repetitive financial tasks
- Implement a Pro tier with advanced financial history or cloud-sync to monetize the existing user base
Next best moves
Audit the current codebase because the 14-month update gap risks store-ranking decay → maintain visibility
The counter-intuitive read
The app's lack of monetization is its primary vulnerability…
Read the full takeSince the last report: The analysis now emphasizes the app's ad-free value proposition and identifies the lack of monetization as a core competitive weakness.
Bottom line
Percentage Calculator - Per100 provides a reliable, ad-free experience for basic math, but its lack of active development risks user churn to more dynamic alternatives, so the developer should prioritize a minor feature refresh to signal active maintenance.
Unlock 1 critical friction, 1 market threat and the analyst’s take.
Access the full report for freeSources
- [1] App Store, source
Report last updated