Tug Calc vs Field Quick Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tug Calc
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Tug Calc is a calculator that can be connected by sliding. It supports multiple numerical connections, direct correlation of operation results, scientific operations, and rich mathematical charts, including line charts, bar charts, pie charts, polar coordinates, etc. 【Connection Value】 Press and hold the value and drag it to other value positions to complete the connection, and the calculation results will be related to each other after connecting the values, so that you can enter multiple calculations at one time. 【Flexible Labels】 Add tags to the values, the associated values can be modified synchronously, the calculation process is easy to remember, and the operation results are defined by you. 【Rich Charts】 Rich mathematical charts are supported, including line charts, bar charts, pie charts, polar coordinates, etc. Drag and drop values to the specified area to create a new chart, and drag and drop the values to an existing chart to add a plot directly. 【Scientific Computing】 In addition to basic addition, subtraction, multiplication and division operations, the calculator also supports scientific operation mode. Including power exponential operations, logarithmic operations, trigonometric function operations, factorial operations, integer operations, etc. 【Convenient Keyboard】 The software has a built-in convenient computer keyboard, which is tailor-made for calculus, and can quickly complete the calculation and calculation input. 【File Management】 Support operation file management, different operations are saved separately, and the historical record is convenient for backtracking. 【Snapshot Export】 Support program snapshot export, the calculation process is clear at a glance, easy to share, and the results are presented in seconds. 【Paid Membership Features】 - Computing file management - Increased number of cards available - Increased number of available charts 【Activate Paid Membership】 Paid members are available as a subscription or as a permanent activation Membership Service Agreement: https://tugcalc-serviceagreement.mysxl.cn/
Field Quick Calc
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Field Quick Calc is a practical construction calculator built for contractors, carpenters, builders, installers, and DIY users who need fast answers at the jobsite. Work with feet and inches, check slope and roof pitch, calculate radius and arc measurements, plan stair layouts, and prepare common field dimensions—all from one focused tool. FAST JOBSITE CALCULATIONS • Feet and Inches Handle common field measurements in feet and inches without constantly switching between separate calculators. • Slope, Angle and Roof Pitch Enter rise and run to check slope length, angle, and pitch in inches per foot. Useful for roofs, ramps, driveways, drainage, framing, and general layout work. • Radius and Arc Calculator Calculate arc length and estimated radius from chord and height measurements. Use the circle tools for diameter, circumference, radius, and area checks. Complex formulas are simplified into a few taps. • Stair Layout Estimate step count, actual rise per step, tread depth, total run, and stair angle from your project dimensions to help speed up your framing and layout planning. • Tapered Shape Checks Check changing widths at different heights for tapered, sloped, and uneven shapes. • Material Weight Reference Quickly review common material weights while planning transport, handling, and jobsite work. • Jobsite Notes Keep simple measurements and reminders alongside your calculation tools. BUILT FOR FIELD WORK Field Quick Calc combines the functions of a construction calculator, slope calculator, arc calculator, radius calculator, stair calculator, roof pitch calculator, and DIY calculator in one straightforward app. It can serve as a compact carpenter tool for framing and layout, a contractor calculator for quick jobsite checks, or a practical DIY calc for home projects. OFFLINE COMPATIBILITY Core calculation tools work offline after installation, so you can use Field Quick Calc in workshops, unfinished buildings, remote jobsites, and other locations with limited connectivity. WHY FIELD QUICK CALC? • Designed for contractors, carpenters, and DIY users • Supports practical feet and inches workflows • Fast slope, angle, and roof pitch checks • Radius, circle, chord, and arc calculations • Simple stair and tapered-shape layouts • Clear inputs and readable results • No complicated scientific calculator workflow • Core calculators available offline Field Quick Calc helps reduce repeated manual calculations and keeps frequently used construction tools in one place. Calculation results are estimates and reference values. Always verify measurements and follow project drawings, manufacturer documentation, engineering requirements, local codes, site conditions, and professional judgment before construction or material ordering.
Screenshots
Verdict
The clearest difference is in-app purchases: Field Quick Calc at none against Tug Calc's 4. Tug Calc's advantage is update cadence (every 5 days vs fortnightly) and device support (4 vs 2). On price 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
Both are free to download. Tug Calc sells 4 in-app purchases, starting at $0.99 per month. Field Quick Calc asks for nothing beyond the download.
Tug Calc ships an update every 5 days, Field Quick Calc fortnightly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.
| Parameter | Tug Calc | Field Quick Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 54 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | 嘉欣 胡 | SHINYA YASUDA |
In-app purchases
Tug Calc
- Monthly Subscriptions$0.991 Month
- Quarterly Subscriptions$0.993 Months
- Annual Subscription$2.991 Year
- Perpetual Subscription$4.99
Field Quick Calc
No in-app purchases







