Quick Formula Calculator is a custom math tool for students and engineers that allows users to build and save personalized formulas on iOS and Android.
The App DNA
What makes this app unique?
The app replaces static calculators by removing the cognitive cost of re-entering complex formulas, though the current lack of background state persistence forces users to restart calculations after switching apps.
For Students, engineers, and finance professionals requiring custom, reusable mathematical formulas for daily tasks.
What does it look like?
Key features
Define variables, functions, and units to create personalized calculation tools.
Automatic logging of past calculations for one-tap reuse.
Tool for determining time intervals or specific dates.
How much does it cost?
The freemium model relies on ad-supported engagement, with IAP availability noted in Android metadata.
Velocity
Maintenance developmentUX improvementsperformanceShow more...
Quick Formula Calculator ships at a maintenance cadence, averaging approximately 0.12 releases per week. The latest release provides functional refinements to trigonometric calculations and formula editing, following a period of inactivity since early June. Development remains focused on core utility improvements rather than rapid feature iteration or live operations. The current release pattern suggests a stable, low-frequency update cycle.
Who built it?
庆鸿 林
3 apps tracked · Education
Sound Meter (SPL meter)
HTS Lookup - U.S. Tariff CodeUser Sentiment
What do users think recently?
The recent review mood reads mixed. Users appreciate the ability to pre-program custom calculation formulas provides utility for users needing specialized math tools.
How are ratings & reviews evolving?
What users say, by theme
- The ability to pre-program custom calculation formulas provides utility for users needing specialized math tools
- The application lacks a background state, causing users to lose unsaved progress when switching between apps
4 of 4 recent reviews analyzed · limited sample
Read the full review analysisUnlock 1 more frustration theme and 2 user requests, each backed by review evidence.
Access the full report for freeCompetition
Competitive landscape for Quick Formula Calculator
How's the Education market?
Quick Formula Calculator operates in the Education category, maintaining a 2.0-star rating on iOS across a limited initial review sample. The current lack of user-driven growth signals suggests the app is still in the early discovery phase.
The rivals identified
The Analyst's Read
Key takeaways for Quick Formula Calculator
Where is it heading?
The market for specialized calculation tools is consolidating around apps that offer seamless cross-device syncing and high reliability. Quick Formula Calculator remains exposed due to its current technical instability, which risks alienating the power users who value its customization features.
- Lack of background state persistence causes data loss during multitasking, which directly erodes the daily active habit.
- The core formula customization utility provides a clear value proposition that users appreciate for specialized math tasks.
The SWOT
- Custom variable-based formula builder enables personalized workflows.
- Automatic calculation history reduces friction for recurring tasks.
- Home screen widget integration would improve access speed.
- Backup and restore functionality would increase data portability.
Next best moves
Ship background state persistence because users report losing work during multitasking → reduce churn
+ 1 more prioritized moveThe counter-intuitive read
The app's maintenance-level cadence is a strategic advantage…
Read the full takeBottom line
Implementing background state persistence is the critical path to stabilizing the user base, as the current data-loss issue directly erodes the daily active habit.
Unlock 3 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.
Access the full report for freeSources
- [1] App Store listing, source
Report last updated