CONVERT UNITS vs ReinforcingConcreteDesign
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CONVERT UNITS
Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.
- Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency
- Automatic currency updates
- 160 currencies available
- Multitasking enabled for iPad
- Alphabetical quick links for units
- Customizable startup categories
- Adjustable accuracy and rounding
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160 currencies · 126 cryptocurrencies · 685 units across 72 categories CONVERT ANYWHERE, EVEN OFFLINE Convert units without an internet connection. Currency and crypto conversions use your saved rates offline; an internet connection is needed to refresh rates. • No Full Screen Ads • Find units quickly with search and an alphabetical index • Control precision with decimal places and significant figures • Choose your starting category and hide categories you don’t use • Personalize your colors with curated or custom themes, available with Premium Designed for iPhone and iPad, with Split View support Dark and light appearance support CONVERSION CATEGORIES Everyday conversions Length, weight, temperature, area, volume, speed, time, fuel economy, pace, data, data transfer rate, angle, shoe sizes, ring sizes, amount, image resolution, typography and blood sugar Engineering and mechanics Pressure, torque, force, energy, power, acceleration, angular acceleration, moment of inertia, density, specific volume, flow, mass flux density, surface tension, viscosity, kinematic viscosity and permeability Electricity and magnetism Current, voltage, resistance, charge, frequency, capacitance, inductance, conductance, electric field strength, electric resistivity, electric conductivity, magnetic flux, magnetic field strength, magnetic flux density, magnetomotive force, linear charge density, surface charge density, volume charge density, linear current density and surface current density Heat and temperature Temperature interval, thermal conductivity, specific heat capacity, heat density, heat flux density, heat transfer coefficient and thermal expansion Chemistry Molar concentration, molar mass and molar flow rate Light, sound and radiation Luminance, illumination, luminous intensity, sound, radiation, radioactivity and exposure Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://developer-yl.github.io/convert-units/privacy.html
ReinforcingConcreteDesign
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Effortlessly calculate the crack width of concrete under service loads with precision and compliance. This application follows the standards of BS EN 1992 and the superseded BS 8110 Part 2, making it a reliable tool for engineers and professionals. Dynamic Real-Time Updates: As you input or modify values, such as service loads, the crack width calculations are instantly updated in real time, providing a seamless and interactive experience. PDF Functionality: Easily preview, share, and edit your calculations in PDF format. This feature ensures your work is well-organized and shareable for presentations, submissions, or records. Customizable Job Information: Personalise your calculations with detailed job information: Add the Project Name for easy identification. The Date is auto-populated for convenience. Include specific Project Details to give context to your calculations. Designed to meet the needs of structural engineers and construction professionals, this app simplifies crack width calculations while enhancing efficiency and accuracy.
Screenshots
Verdict
The clearest difference is in-app purchases: ReinforcingConcreteDesign at none against CONVERT UNITS's 2. ReinforcingConcreteDesign also leads on ads (none vs shown). CONVERT UNITS's advantage is update cadence (every 9 days vs monthly). On price, device support and iOS requirement 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. CONVERT UNITS sells 2 in-app purchases, starting at $0.99 per month. ReinforcingConcreteDesign asks for nothing beyond the download.
CONVERT UNITS ships an update every 9 days, ReinforcingConcreteDesign monthly. The most recent releases landed on October 26, 2026 and October 17, 2026 respectively.
| Parameter | CONVERT UNITS | ReinforcingConcreteDesign |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.4K ratings) — better | — |
| Positive reviews | 75.8% of reviews | — |
| Number of ratings | 1.4K — better | — |
| Update frequency | Every 9 days — better | Monthly |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 22 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Adysseus | CRAIG M SINCLAIR |
Bugs and requests
CONVERT UNITS
Reported bugs
2 issues- App got stuck, required uninstall/reinstall to fix
- Navigation issues, unable to get back to home page
Requested features
2 requests- Option to convert between functions (length to volume)
- Remember last conversion settings for each category
ReinforcingConcreteDesign
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CONVERT UNITS
- Remove ads$0.991 Month
- Remove ads$19.99
ReinforcingConcreteDesign
No in-app purchases
Questions
Is CONVERT UNITS free?
Is ReinforcingConcreteDesign free?
Do CONVERT UNITS or ReinforcingConcreteDesign have ads?
Which is updated more often, CONVERT UNITS or ReinforcingConcreteDesign?
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