Numeric Correction Calculator vs Feet Inch Builder Calculator
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Numeric Correction Calculator
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Overview A calculator that can be corrected by touching the displayed number. It has a round selector and a decimal point selector(4,3,2,1,0.5,0) for decimal point calculation. With multi-line display, you can calculate while displaying constant (K), grand total (GT), last answer (Ans), and intermediate result value. Detail Touch the displayed number to correct. If you want to correct input number or intermediate result, touch the number itself. Then the number will blink, press the number key to correct it. Press the DEL key to delete numbers. Sign Change(+/-) Touch the left edge to switch between plus and minus (+/-). Set the round selector to UP, DOWN or 5/4. Set the decimal point selector to one of 4,3,2,1,0,5,0. You can round numbers by pressing the = key. 0.5 "rounds" by 0.5. Detailed results are displayed by touching the down button on the upper left of the screen. Constant(K) Grand Total(GT) Calculation's result value, last answer(Ans). Also used for Ans memory calculations. intermediate result Decimal point can be set from the setting. example:"1,234.5", "1.234,5", "1 234,5", "1'234.5" For Digit separator "3" Digit separator can be set from the setting. 3-digit, 4-digit, First 3 digits then 2nd digits separator(Indian comma) Numeric color can be set from the setting. The maximum number of digits is 12 digits. Disclaimer This application is subject to change without notice. The Developer assumes no responsibility for any loss or claims by third parties which may arise from the use of this application.
Feet Inch Builder Calculator
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Built for people who measure, cut and build. Work directly in feet, inches and fractions without converting measurements to decimals first. TrueRule keeps calculations exact and lets you move between feet-inches, decimal feet, decimal inches, millimeters and meters from the same result. Use the main calculator for addition, subtraction, multiplication and division with measurement fractions down to 1/32. Keep a running tape of your work, organize calculations by job, bring previous measurements back into the calculator, add labels, and export job records as PDF or CSV. Trade tools help with everyday construction math: ⢠Stairs: rise, run, riser height, tread depth, stringer and angle ⢠Roof & rafters: pitch, common rafter, hip/valley, plumb and seat cuts ⢠Concrete: volume and material estimates ⢠Tile & flooring: area and layout calculations ⢠Drywall: sheet and area planning ⢠Paint: coverage calculations ⢠Lumber: board feet and material measurements ⢠Area: common shapes for jobsite estimating Designed for jobsite use with large controls, a left-hand layout option and offline operation. From framing and carpentry to remodeling, roofing and woodworking, TrueRule keeps measurement math in the units you actually use.
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Verdict
The clearest difference is in-app purchases: Numeric Correction Calculator at none against Feet Inch Builder Calculator's 1. Feet Inch Builder Calculator's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Feet Inch Builder Calculator sells 1 one-off in-app purchase. Numeric Correction Calculator asks for nothing beyond the download.
Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 9, 2026 and October 31, 2026 respectively.
| Parameter | Numeric Correction Calculator | Feet Inch Builder Calculator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | Fortnightly |
| Ads | Yes | No ā better |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.4 | 15.0 ā better |
| Further details ā not scored | ||
| Size | 9 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Nobuyuki Kumakura | Mehmet Murat Kizilaslan |
In-app purchases
Numeric Correction Calculator
No in-app purchases
Feet Inch Builder Calculator
- TrueRule Pro$24.99
Questions
Is Numeric Correction Calculator free?
Is Feet Inch Builder Calculator free?
Do Numeric Correction Calculator or Feet Inch Builder Calculator have ads?
Which is updated more often, Numeric Correction Calculator or Feet Inch Builder Calculator?
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