Comparison

Carpentry Formulator vs NoteNow

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

NoteNow

This app allows you to create notes directly on your iPhone's lock screen. Simply write your note, take a screenshot, and set it as your wallpaper to keep important information at a glance.

Highlights
  • Lock screen note creation
  • Screenshot functionality
  • Set notes as wallpaper
  • Swipe navigation for notes
  • Customizable app appearance
Read full description

Have you ever wanted to use your iPhone's / iPod touch's lock screen as a note keeper? Well, now you can! Just open the application and follow these simple instructions: · Tap the note to bring out the keyboard. · Write your note. · Swipe the note down or tap on the top of the screen to hide the keyboard. · And finally take a screenshot by tapping the bottom of the screen, or by pressing both the home button and the sleep/wake button at the same time, and set that image as wallpaper so that you don't forget anything! What people are saying about NoteNow: “…if you’ve been looking for an easy to use app to store all your other thoughts and activities with a different method, well — there you go.” - Federico Viticci, MacStories If you want to make a new note, all you have to do is swipe left. Then to go back to previous notes you just have to swipe right. Swipe the note down when the keyboard is hidden to bring out the settings, there you'll be able to change the app so that it looks however you like it best!

Screenshots

Carpentry Formulator4 screens
NoteNow4 screens

Verdict

The call

The clearest difference is rating: Carpentry Formulator at 3.8 against NoteNow's 3.0. Carpentry Formulator also leads on update cadence (every 2 months vs every 4 months). NoteNow's advantage is in-app purchases (none vs 1) and review sentiment (57% vs 25%). On price, ratings volume, ads 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

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

ReceptionRating · Positive reviews · Number of ratings

Carpentry Formulator holds the better App Store score, 3.8 against 3.0. Both are backed by a comparable volume of ratings — 4 and 2 respectively. Written reviews complicate that: 25% of Carpentry Formulator's written reviews are positive against 57% of NoteNow's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Carpentry Formulator ships an update every 2 months, NoteNow every 4 months. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Carpentry Formulator versus NoteNow: the parameters behind the verdict, then further details
ParameterCarpentry FormulatorNoteNow
PriceFreeFree
Rating3.8 (4 ratings) — better3.0 (2 ratings)
Positive reviews25.0% of reviews57.1% of reviews — better
Number of ratings4 — better2
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.67.0 — better
Further details — not scored
Size23 MB14 MB
Age rating4+4+
DeveloperHistorycentral.commanolo Sanudo

Customer experience

Carpentry Formulator

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

NoteNow

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews28 reviews
Positive57.1%
Neutral10.7%
Negative32.1%

In-app purchases

1 purchases

Carpentry Formulator

One-time1
  • Professional Features$2.99
None

NoteNow

No in-app purchases

Questions

Is Carpentry Formulator free?
Carpentry Formulator is free to download, with in-app purchases available.
Is NoteNow free?
NoteNow is free to download, with no in-app purchases.
Which has better reviews, Carpentry Formulator or NoteNow?
Carpentry Formulator is rated higher. Carpentry Formulator averages 3.8 out of 5 from 4 ratings, while NoteNow averages 3.0 from 2 ratings.
Do Carpentry Formulator or NoteNow have ads?
Neither Carpentry Formulator nor NoteNow shows ads.
Which is updated more often, Carpentry Formulator or NoteNow?
Carpentry Formulator ships an update every 2 months, and NoteNow every 4 months. Most recently, Carpentry Formulator was updated on October 6, 2026 and NoteNow on October 7, 2026.

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