Construction+ vs Octodo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Construction+
This app provides contractors and sales professionals with essential calculators for estimating costs, material quantities, and prices for various construction projects like asphalt, concrete, drywall, and roofing. It also includes specialized calculators for fuel injectors and tire conversions.
- Asphalt, concrete, drywall, roofing calculators
- Fuel injector calculators
- Tire diameter converter
- Email calculation sharing
- Offline functionality
- Automatic input saving
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The Construction Calcs: Asphalt & Concrete & Drywall & Roofing app consists of calculators and solvers to help contractors and sales people estimate costs, sizes, and materials amount as well as prices. - Asphalt : One Section - Asphalt : Two Sections - Asphalt : Three Sections - Concrete Bags - Concrete Footings - Concrete Rectangle - Concrete Sono Tube - Drywall - Roofing NOTE: In this app a Ton is exactly 2,000 lbs. Also, featuring fuel injector calculators - Fuel Injector Size Calculator - Fuel Injector Flow Calculator - Fuel Injector Horsepower Calculator - Tire Diameter Converter - Flow Rate Conversion - Temperature Conversion The Fuel Injector Size Calculator assists in selecting the correct size injector for your engine. Simply enter the engine horse power, the brake specific fuel consumption (BSFC), the number of injectors to be used, the maximum duty cycle, and the system fuel pressure in pounds per square inch. The calculated injector flow rate is computed in both pounds of fuel per hours (lbs/hr) and cubic centimeter per minute (cc/min). The Fuel Injector Flow Calculator computes improved fuel pressure in both lbs/hr and cc/min. Simply enter the current fuel pressure at the injector inlet (PSI), the anticipated/improved fuel pressure at the injector inlet (PSI), and the fuel injector fuel flow rating in pounds of fuel per hours (lbs/hr) or cubic centimeter per minute (cc/min). The Fuel Injector Horsepower Calculator assists in selecting the correct size injector for your engine. Simply enter the Brake specific fuel consumption (BSFC), the number of injectors to be used, and the injector flow rate in either pounds of fuel per hours (lbs/hr) or cubic centimeter per minute (cc/min). Outputed is the horsepower potential. This app features: • Send your calculations or conversions by email • Universal App (iPhone and iPad) • Fast app switching • Automatically Saves Your Inputs • Latest version of iOS is supported • All iPhone screens are supported No network connectivity required.
Octodo
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Octodo is your simple, beautiful companion for getting things done – without distractions, without ads, and without overthinking. Whether you're planning your day, organizing tasks by category, or just want a gentle reminder: Octodo makes it effortless. Why Octodo? Pure Simplicity No sign-ups. No subscriptions. No ads. Just open the app and start organizing. One Tap Reminders Need to be reminded? Just one tap. You choose when. Categories, Not Chaos Prefer sorting by what you're doing instead of when? Swipe once to switch from date view to category view. Fully Customizable Create your own categories with emojis and colors. Organize things your way – without any setup hassle. Designed to Delight Modern UI, playful animations, dark mode ready. It feels good to use – every time. Archive + Undo Tasks don’t disappear forever. Archive them with one tap. Need it back? Undo instantly. Octodo is perfect for minimalists, students, creators, and anyone who wants a powerful to-do app – without the overwhelm. Simple. Cute. Effective. Try Octodo and fall in love with getting things done.
Screenshots
Verdict
The clearest difference is price: Octodo at Free against Construction+'s $0.99. Octodo also leads on update cadence (every 4 days vs every 3 months). Construction+'s advantage is iOS requirement (13.0 vs 16.0). On ads, in-app purchases and device support 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
Octodo is free to download; Construction+ costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Construction+ ships an update every 3 months, Octodo every 4 days. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.
| Parameter | Construction+ | Octodo |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Verosocial Studio | Hrvoje Krizic |
In-app purchases
Construction+
No in-app purchases
Octodo
No in-app purchases









