Comparison

Carpentry Formulator vs Electrician's Sidekick

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

Head to head
About

Carpentry Formulator

This app provides over 150 formulas and dozens of conversions for carpenters and builders. It calculates loads on walls and headers, material quantities for projects, and dimensions for roofing and stairs. It also includes area and volume calculations for various shapes.

Highlights
  • Load calculations for walls and headers
  • Material quantity estimation (joists, studs, concrete)
  • Roofing and stair dimension calculations
  • Area and volume formulas for geometric shapes
  • Dozens of unit conversion tools
  • Shareable calculation results
Features
Read full description

CARPENTRY FORMULATOR contains over 150 formulas that are useful for carpenters and builders. This app calculates loads on walls and loads on headers.The app calculates space between balusters, wood needed for railings It calculates Hardwood Flooring, calculations on Board Feet and Lumber conversions. It calculates the number of Joists, Sheet Rock, Concrete and Asphalt needed. The program has special sections on Roofing and Stairs. The CARPENTRY FORMULATOR has various formulas to calculate area and volumes of differing shapes. The program also includes dozens of conversions; everything from square feet to square inches and square inches to feet of water. Every result in CARPENTRY FORMULATOR shared. In the coming months there will be updates to CARPENTRY FORMULATOR that will include additional formulas. If there are formulas you would like that are not yet included, just e-mail us and we will try to include it in our next update. LOAD ON WALLS *Load on One Story Building Truss Roof *Load on One Story Building with Attic Stick Built *Load on Two Story Building with Attic Stick Roof *Total Load on Beam *Weight Header Can Carry LUMBER CALCULATION *Cost of Hardwood Flooring *Calculating Board Feet *Lumber Conversions- Board and Linear Feet MATERIALS NEEDED *Number of Joist Required *Number of Studs Required *Sheet Rock Coverage *Asphalt Needed *Cubic Yard of Concrete Needed *Coverage from Concrete ROOFING *Shed roof *Gable roof *Hip roof on square building *Gable Roof Sheathing *Shed Roof Sheeting *Hip Roof Sheeting STAIRS *Number of risers *Unit risers *Unit run *Total run Area Formulas Include: SQUARES *Area *Perimeter *Length of the diagonal RECTANGLES *Area *Perimeter *Length of base *Height *Length of diagonal PYRAMIDS *Pyramid area *Pyramid v *Volume prism SPHERES *Area of surface *Sde of cube *Volume of sphere Cylinder: *Cylinder area *Cylinder length *Volume *Capacity *Area of Cylinder Base *Length of Cylinder CIRCLES *Circumference *Radius *Diameter of Circle *Area of circle *Arc length *Degrees of arcs *Radius of arc CONES *Lateral surface area *Total surface area Ellipse:Area Hexagon:Area Parallelogram Area 200 Conversion formulas

About

Electrician's Sidekick

This free tool consolidates essential electrical calculations and reference guides into a single app. It offers precise tools for conduit bending, wire sizing, voltage drop, and conduit fill, designed to enhance fieldwork efficiency and accuracy for professionals. The app functions offline, ensuring constant access to critical information.

Highlights
  • Conduit bending calculator
  • Wire sizing and voltage drop calculator
  • Conduit fill calculator
  • Construction calculator (feet/inches)
  • Electrical wiring color charts
  • Digital clinometer (level)
Features
Read full description

Tired of juggling multiple calculators and reference guides on the job? The Electrician's Sidekick app from IDEAL Electrical is a free tool that combines the functions of many electrical calculators into one convenient app. Instantly calculate rolling offsets and bends with the precise conduit bending calculator and integrated level. Determine accurate wire sizing, voltage drop, and conduit fill to meet compliance standards. Designed by pros for pros, this app maximizes your fieldwork efficiency and accuracy from layout to final connection. The calculators continue to function even without internet connectivity, ensuring you always have access to the information you need. Key features include: Connector Selector – input the wire combination and connector style to receive recommendations for the right connector for the job. Smart Meter Connectivity - Connect compatible IDEAL smart test instruments to automatically capture measurements, monitor readings in real time, and document results directly from your mobile device. Wire Sizing & Voltage Drop Calculator – input wire size, voltage, amperage, and length to determine volts and drop percentage. Conduit Bending Calculator – select the type of conduit and desired bend (offset, saddle bend, or rolling offset), then input the angle, offset distance, and clearance. The dynamic display quickly shows the bend required, shrink, and other important information. Conduit Fill Calculator – input the conduit type and the number/size of conductors to calculate the minimum conduit size required for a certain percentage of fill. Construction Calculator – this specialized calculator permits electricians to add and multiply feet and inches and get the answer back in feet and inches. Electrical Wiring Color Charts – provides the wiring code for the various phases in a panel for both 120/280V and 277/480V systems. Clinometer – transform your phone into a digital level with zero/reset options. When placed on a flat surface, it automatically becomes a bubble level. Simplify every job with this all-in-one electrician's companion. Join the thousands of other electricians using the free Electrician’s Sidekick app from IDEAL Electrical. DATA COMM - T568A/T568B Wiring Reference and conduit fill calculator for data cables. Box Fill Calculator - Calculate NEC® box fill requirements in seconds. Account for conductors, devices, grounding conductors, cable clamps, fixture studs, and plaster rings while instantly verifying box capacity and available volume.

Screenshots

Carpentry Formulator4 screens
Electrician's Sidekick4 screens

Verdict

The call

The clearest difference is in-app purchases: Electrician's Sidekick at none against Carpentry Formulator's 1. Electrician's Sidekick also leads on ratings volume (18 vs 4) and iOS requirement (16.0 vs 18.6). Carpentry Formulator's advantage is review sentiment (25% vs 0%). On price, rating, update cadence and ads 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

Both are free to download. Carpentry Formulator sells 1 one-off in-app purchase. Electrician's Sidekick asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Carpentry Formulator holds the better App Store score, 3.8 against 3.6. Both are backed by a comparable volume of ratings — 4 and 18 respectively. Written reviews point the same way: 25% of Carpentry Formulator's written reviews are positive against 0% of Electrician's Sidekick's.

UpkeepUpdate frequency

Carpentry Formulator ships an update every 2 months, Electrician's Sidekick every 4 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
Carpentry Formulator versus Electrician's Sidekick: the parameters behind the verdict, then further details
ParameterCarpentry FormulatorElectrician's Sidekick
PriceFreeFree
Rating3.8 (4 ratings) — better3.6 (18 ratings)
Positive reviews25.0% of reviews — better0.0% of reviews
Number of ratings418 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.616.0 — better
Further details — not scored
Size23 MB52 MB
Age rating4+4+
DeveloperHistorycentral.comIDEAL INDUSTRIES, INC

Customer experience

Carpentry Formulator

All ratings4 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews8 reviews
Positive25.0%
Neutral12.5%
Negative62.5%

Electrician's Sidekick

All ratings18 ratings
Positive55.6%
Neutral11.1%
Negative33.3%
Written reviews2 reviews
Positive0.0%
Neutral50.0%
Negative50.0%

In-app purchases

1 purchases

Carpentry Formulator

One-time1
  • Professional Features$2.99
None

Electrician's Sidekick

No in-app purchases

Questions

Is Carpentry Formulator free?
Carpentry Formulator is free to download, with in-app purchases available.
Is Electrician's Sidekick free?
Electrician's Sidekick is free to download, with no in-app purchases.
Which has better reviews, Carpentry Formulator or Electrician's Sidekick?
Carpentry Formulator is rated higher. Carpentry Formulator averages 3.8 out of 5 from 4 ratings, while Electrician's Sidekick averages 3.6 from 18 ratings.
Do Carpentry Formulator or Electrician's Sidekick have ads?
Neither Carpentry Formulator nor Electrician's Sidekick shows ads.
Which is updated more often, Carpentry Formulator or Electrician's Sidekick?
Carpentry Formulator ships an update every 2 months, and Electrician's Sidekick every 4 months. Most recently, Carpentry Formulator was updated on October 6, 2026 and Electrician's Sidekick on October 9, 2026.

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