Comparison

Box Fill 2 vs Circuit Color

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Box Fill 2

This utility app helps electricians and contractors perform precise electrical box fill calculations according to the latest codes. It also includes a comprehensive construction calculator for dimensional math, area, volume, and right-angle solutions.

Highlights
  • Electrical box fill calculations
  • Construction calculator
  • Dimensional math (feet-inches-fractions, metric)
  • Area and volume calculations
  • Right-angle solutions
  • Shareable calculation reports
  • iCloud sync across devices
Features
Read full description

Box Fill 2: Electrical & Construction Calculator Stop guessing and start calculating with confidence. Box Fill 2 is the ultimate pro-grade utility for electricians, contractors, and engineers. Designed to streamline your workflow from the office to the job site, it combines a precision electrical box fill calculator with a full-featured construction calculator in one powerful, intuitive interface. EXPERT ELECTRICAL CALCULATIONS Stay compliant and safe with box fill calculations based on the latest standards, including the 2024 Canadian Electrical Code (CEC) and the 2023 National Electrical Code (NEC). Complete Fill Schedules: Create and save an unlimited list of calculations for entire projects. Advanced Device Logic: Automatically handles standard devices and "bulky" equipment (like smart dimmers or GFCIs) using the specific depth-based volume math required by the CEC. Detailed Conductor Tracking: Easily account for insulated conductors, bare grounds (with the NEC "4-ground" rule), internal clamps, and wire nuts. Custom Box Support: Use standard trade sizes or enter custom dimensions for specialized enclosures. Share & Export: Print directly from the app or share professional calculation reports via email or messaging to inspectors and team members. FULL CONSTRUCTION CALCULATOR No more switching between apps. Box Fill 2 includes a robust construction math engine designed for the trades. Dimensional Math: Work directly in feet-inches-fractions or metric units with seamless conversions. Area & Volume: Quickly solve for square footage and cubic volume for materials like concrete, drywall, and paint. Right-Angle Solutions: Instantly calculate rafters, slopes, and square-ups for precise layouts. History & Memory: Access previous calculations and save frequently used values to save time on repetitive tasks. MODERN & PROFESSIONAL FEATURES Universal Compatibility: Buy once and use on your iPhone, iPad, and Mac. iCloud Sync: Your project data stays up-to-date across all your devices automatically. Dark Mode Support: Optimized for high visibility in low-light job site conditions. Clean Interface: Ad-free, professional UI designed for speed and clarity under pressure. Put your pencil down and upgrade your toolkit. Download Box Fill 2 today.

About

Circuit Color

Quickly find the correct wire color for three-phase circuits. Supports numerous countries and circuit numbers up to 10000, saving valuable time during electrical work.

Highlights
  • Three-phase circuit wire color identification
  • Quick search by circuit number
  • Supports USA, Canada, Europe, UK, China, Russia, Australia, NZ, India, Pakistan, UAE, Indonesia
  • Supports circuit numbers up to 10000
Features
Read full description

This app will speed up finding the right color to the three phase circuit wire you need to pull. A quick search which scrolls to the circuit number saves extra time. The following countries are supported: - USA (120/208) - Canada (120/208) - USA, Canada (277/480) - Europe, UK (IEC) - China - Russia - Australia, NZ - India, Pakistan, UAE - Indonesia Supports up to circuit number 10000.

Screenshots

Box Fill 24 screens
Circuit Color4 screens

Verdict

The call

The clearest difference is rating: Box Fill 2 at 3.3 against Circuit Color's 1.0. Box Fill 2 also leads on ratings volume (3 vs 1). Circuit Color's advantage is price ($1.99 vs $3.99) and device support (4 vs 2). On ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Box Fill 2 costs $3.99 and Circuit Color $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Box Fill 2 holds the better App Store score, 3.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Scorecard5 real differences · 5 level
Box Fill 2 versus Circuit Color: the parameters behind the verdict, then further details
ParameterBox Fill 2Circuit Color
Price$3.99$1.99 — better
Rating3.3 (3 ratings) — better1.0 (1 ratings)
Positive reviews33.3% of reviews—
Number of ratings3 — better1
Update frequencyEvery 5 weeks—
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS26.011.0 — better
Further details — not scored
Size19 MB23 MB
Age rating4+4+
DeveloperSnappy Appz Inc.Martin Loch

Customer experience

Box Fill 2

All ratings3 ratings
Positive33.3%
Neutral66.7%
Negative0.0%
Written reviews3 reviews
Positive33.3%
Neutral66.7%
Negative0.0%

Circuit Color

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Box Fill 2

No in-app purchases

None

Circuit Color

No in-app purchases

Questions

Is Box Fill 2 free?
Box Fill 2 costs $3.99, with no in-app purchases.
Is Circuit Color free?
Circuit Color costs $1.99, with no in-app purchases.
Which has better reviews, Box Fill 2 or Circuit Color?
Box Fill 2 is rated higher. Box Fill 2 averages 3.3 out of 5 from 3 ratings, while Circuit Color averages 1.0 from 1 ratings.
Do Box Fill 2 or Circuit Color have ads?
Neither Box Fill 2 nor Circuit Color shows ads.

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